is aldebaran a main sequence star

Tau Ceti is a main star in the constellation Cetus and makes up the constellation outline. Aldebaran has evolved off the main sequence stage of its life cycle and exhausted the supply of hydrogen fuel in its core. Aldebaran, which is a red giant star. c) A main sequence star. Aldebaran marks the right eye of the celestial Bull, while Ain, Epsilon Tauri, marks the left eye. What is the largest main sequence star we have discovered? Yes, it is true, a star does expand during it's life time. Having been occulted by the moon, Aldebaran can be seen emerging from the dark limb. It has a minor companion (a dim M2 dwarf orbiting at several hundred AU). Aldebaran is the brightest star in the constellation Taurus, the 13th brightest star in the sky, the most luminous star within 100 light-years of the Sun, and one of the nearest red giants.Its Arabic name, meaning "the Follower," refers to its apparent pursuit of the Pleiades across the sky. Then it moves out into chromosphere, where it is finally pushed out of the star, into it's atmosphere. Spectral class: K5 III Compared to our sun, the star Polaris is A) would all lie on the main sequence B) would be all over the diagram C) would form a horizontal line D) would form a vertical line 27. Image: Sidney Hall. Star type Asterope is a main sequence star with the stellar classification B8 V. It has a mass 2.93 times that of the Sun. Tau Ceti is a G8V main sequence star based on the spectral type that was recorded in the Hipparcos star catalogue. It was the Eastern Royal Star, one of the Four Royal Stars in ancient Persia, along with Regulus in Leo constellation, Antares in Scorpius, and Fomalhaut in Piscis Austrinus. In the convection zones, it is push through in the form of heat waves, just like an oven. The name is derived from Palilia or Parilia, referring to the feast of Pales, the feminine form of Pan. Ancient Romans called the star Palilicium. The largest known star … Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. cmull106_51426. Aldebaran is a K-type star that is 1.16 ± 0.07 times the mass and 44 times the radius of the Sun. When a star dies, it's when it runs out of hydrogen to fuel nuclear fusion. It is expanding and heating up as it moves off the main sequence. In Aboriginal culture, in the Clearance River of New South Wales, Aldebaran was known as the Ancestor Karambal, who stole another man’s wife and was then tracked down by her husband, who burned the tree in which Karambal was hiding. Map of the Hyades cluster from a southern perspective. Log in or sign up to leave a comment Log In Sign Up. Quiz. Astronomers reported detecting a substellar companion orbiting the star in the 1990s, but subsequent studies have not confirmed this. A GV star, or yellow dwarf, is a main-sequence star.It is of spectral type G and luminosity class V on the Hertzsprung-Russell Diagram.The term yellow dwarf is a misnomer, because G-type stars actually range in color from white, for more luminous types like the Sun, to only very slightly yellow for the less massive and luminous G-type main-sequence stars. Either a red giant, a blue giant, or a super giant depends on how big and hot is was when it was alive. Regulus is a main sequence star in Leo. Aldebaran lies in the same line of sight as the Hyades open cluster and appears as the brightest member of the famous cluster. Play this game to review Science. Aldebaran is a K5 III yellow-orange giant star, and has moved off the main sequence after having depleted a significant amount of the hydrogen fuel in its stellar core. While the star’s name may or may not have inspired the name of Princess Leia’s home planet, Alderaan, destroyed by the Death Star in Episode IV, Aldebaran does not make an appearance in Star Wars. What is the largest main sequence star we have discovered? When a star dies, it's when it runs out of hydrogen to fuel nuclear fusion. Science. It is separated by about 607 astronomical units from Aldebaran A. Edit. Other references to the star include the games Star Control, Frontier: Elite II, FreeSpace 2, and Escape Velocity Nova. The core is where nuclear fusion and other chemical reactions take place. 0. These exclude stars such as Aldebaran, Betelgeuse, Uy Scuti, or any other red giants. Orange or reddish in colour, Aldebaran has the stellar classification K5 III and an apparent magnitude that varies from 0.75 to 0.95. Aldebarans’ K5 III classification denotes it as an orange-red giant that has evolved off the main sequence, having consumed its hydrogen fuel. Close • Posted by 1 hour ago. Since the main sequence is the middle of it's life,stars in it will often be the brightest in the sky. Now primarily fusing helium, the main star has expanded to a diameter of approximately 5.3 ? About 5,000 years ago, the star’s rising marked the vernal equinox and the beginning of the Babylonian new year. Capella is a giant star in the constellation Auriga (just above Orion). Radius: 44.2 solar radii They are K5 and M2 dwarf/subdwarf stars separated by about 34 astronomical units. Host star. The resulting collapse of the core has ignited a remaining shell of hydrogen surrounding it, which has subsequently overcome the inward pushing force of the gravity of the star’s outer layers, thereby causing it to swell up to around 44.2 solar masses. Aldebaran is a K5 III star, which means it is orangish, large, and has moved off of the main sequence by using all its hydrogen fuel. DRAFT. G1V: a main sequence of a star hotter than the sun. Several surveys have indicated that the two stars may share a common proper motion and may not be just optical companions, but form a physical binary star system. Image: Thomas Bresson. b) Protostar, main sequence star, red supergiant, supernova, supernova remnant. Alpha Tauri lies close to the ecliptic, the apparent path of the Sun, Moon, and planets across the sky, and is often occulted by the Moon. Aldebaran is around 65 light-years / 20 parsecs away from the Sun.Since it’s evolved off the main sequence of stars, Aldebaran has reached greater proportions and luminosities. Our Sun is a main-sequence star dwarfed by a supergiant like Betelgeuse. It's temperature is 3910k; An interesting bit of information about it is that the Romans called it Palilicium; Aldebaran is the 14th brightest star that we know of The star Borgil in J.R.R. Most of the stars in the universe are main sequence stars. It is called the main sequence because 1, it is the majority of it's life, and 2, it is a long line or sequence that they all seem to fallow. Now it is on the red giant branch (RGB), in the hydrogen shell burning phase. When they are in the main sequence, that means they are living. It starts in the core where it happens because of gravity and other star forces compressing it together. It has a surface temperature of 3,910 K. The stars were given designations Aldebaran B through Aldebaran F in the order of discovery, while the primary star is designated Aldebaran A. Aldebaran and the Hyades cluster. Which of the following is a yellow main sequence star? Eventually, it will lose much of its current mass through its strong stellar wind and expel its outer envelope to form a planetary nebula, leaving behind a white dwarf. Luminosity: 518 solar luminosities It is now fusing hydrogen in a shell around the helium core. Rotation: 643 days Star mass ranges from 0.08xM sun to 100xM sun: Stars more massive than about 100xM sun release too … 0 comments. Constellation: Taurus Distance: 65.1 light years (20 parsecs) The host star, Aldebaran, is an orange giant star, meaning it has moved off from the main sequence and exhausted the supply of hydrogen in the core. The authors of the study concluded that the oscillations were likely intrinsic to the stars and not caused by the gravitational effect of a substellar companion. Though not in the main sequence. Delta Eridani is only about 29 light-years away. Algol is best classified as a main sequence star A star with a mass much greater than the mass of the sun will form, live, and die more quickly than a main sequence star.The reason for this is its greater mass, for the resulting gravity squeezes the star's core and creates greater pressures, resulting in a faster fusion rate. Aldebaran is a red giant type of star, having 116% of our Sun’s mass, 4,413% of its radius, while being 439 times brighter than our Sun, though it is cooler, with temperatures of around 3,900 K.. Capella. hide. When it is finished there, it moves outward to the convection and radiative zones. Coordinates: 04h 35m 55.239s (right ascension), +16°30’33.49” (declination) Its spectrum shows that it is a giant star that has evolved off the main sequence band of the Hertzsprung–Russell diagram after exhausting the hydrogen at its core. Aldebaran is an orange giant star located about 65 light years away in the zodiac constellation of Taurus.It has a temperature of about 4,010 Kelvin. If Aldebaran were to replace the Sun in the centre of the solar system, the star’s surface would extend halfway to the orbit of Mercury and would extend across 20 degrees in our sky. It has an apparent magnitude of 13.6 and an absolute magnitude of 11.98. The occultation makes it easy to get a good estimate of the star’s size by taking into account the time it is covered and watching it from different locations. Aldebaran and Hyades. Hertzsprung-Russell Diagram Practice. 0% average accuracy. In reality, Aldebaran is a K5III star, which means it is orangish, large, and has moved off the main sequence after exhausting the hydrogen fuel in its core. Thus it is just 17% more massive than the sun. QUESTION 40: The correct past, present & future sequence of stages in the life of the Sun is: a) Protostar, main sequence star, red giant, planetary nebula, white dwarf. If you watch it for six months it is possible to measure its parallax angle, which is 0.079 second of arc. On the crust of the star it will still be fusing hydrogen together, which makes the star expand into a giant star. In this July, 1997 still frame captured from video, the bright star Aldebaran has just reappeared on the dark limb of the waning crescent moon in this predawn occultation. save. The Dakota Sioux had a legend in which Aldebaran fell to Earth and killed a serpent, which led to the formation of the Mississippi River. The Hyades cluster, known for its bull’s head V-shape, is in fact some 150 light years distant from Earth, more than twice as far away from us as Aldebaran. There are also references to Aldebaran in episodes of Star Trek: The Original Series, The Next Generation, and Enterprise, and also in Buck Rogers in the 25th Century. Image: Thomas Bresson. The helium burning stage typically lasts tends to hundreds of millions of years, or about 700 million years for a star with a mass equal to the Sun’s, and Aldebaran has 1.7 solar masses. There are five faint stars appearing near Aldebaran, but most of them are just optical companions. It is thus around 44 times bigger than our sun. The star’s variability is not visible to the naked eye. Mass: 1.7 solar masses It is believed that Karambal then rose to the sky as smoke and became the star Aldebaran. Apparent magnitude (J): -2.10 The Seris people in Mexico saw Aldebaran as a star providing light for seven women giving birth. Astronomical chart, 1 print on layered paper board: etching, hand-colored. In other words, it cannot distinguish between main sequence (dwarf) stars, giant stars and supergiant stars. The star was known by many different names over the millennia. Its parallax angle is 0.041 arcsecond. Also near Orion is Aldebaran, in Taurus. Though it is much bigger than our sun, it has only 1.7 solar masses. Sort by. The name Aldebaran (pronounced /ælˈdɛbərən/) comes from the Arabic word al-dabarān, meaning “the follower.” The name refers to the Pleiades cluster (Messier 45), which the star appears to be following across the sky. It has moved off of the main sequence of the HR diagram; It varies in apparent magnitude from 0.75 to 0.95. All stars are made of the same parts. Aldebaran is an orange giant star that has moved off the main sequence line of the Hertzsprung-Russell diagram. Alderaan is a planet in a galaxy far, far away, while Aldebaran is a star in the Milky Way Galaxy. The collapse of the centre of the star into a degenerate helium core has ignited a shell of hydrogen outside the core and Aldebaran is now on the red giant branch (RGB). Aldebaran has a dim pinkish-orange M2 V main sequence dwarf companion star orbiting at several hundred AU. Aldebaran B is a red dwarf with the stellar classification M2V. e) A globular cluster. Apparent magnitude (V): 0.75 – 0.95 The star Algol is estimated to have approximately the same luminosity as the star Aldebaran and approximately the same temperature as the star Rigel. Other gods intervened and the curse was changed so that Chandra suffers tuberculosis for 15 days and gets well for the other 15 days, which explains the lunar phases. Aldebaran, the "fiery eye of the Bull", is a star system in Taurus that is considered to be a home of the Anunnaki (Illojiim). Image: Roberto Mura. Aldebaran – Alpha Tauri For this reason, the Morgan-Keenan luminosity class (MK or MKK ) was established. The stars Alpha Tauri C and D are gravitationally bound to each other and form a physical binary system. Yes, it is true, a star does expand during it's life time. As I had already mentioned before, nuclear fusion only happens when a star is in the main sequence. Two other stars that exhibited similar long-period radial velocity oscillations in the same study were Arcturus in Boötes constellation and Pollux in Gemini. Of the 12 brightest stars in our sky, most are giants and supergiants. If it exists, the companion has a mass at least 11.4 times that of Jupiter and orbits the star every 643 days at a separation of 2 astronomical units. 10th grade . Or in other words, living. Aldebaran will reach about 800 solar luminosities within the next few million years. Aldebaran is often featured in works of science fiction, including H.P. The sun is a relatively small main sequence star in the middle of its life. The star Aldebaran is cooler and much more luminous than the Sun. Jessica Eddings, Haylee VanGorden, Vince Pecoraro, Ben Bunch. Tolkien’s The Lord of the Rings (1954-1955) has also been positively identified as Aldebaran. Betelgeuse and Aldebaran just happen to be close to us and bright in the sky, so we see them easily. Star type. The Chinese name for the star is BìxiùwÅ­, or the Fifth Star of the Net. The best time of year to observe Aldebaran is in the fall and winter months, when the star and Orion’s Belt rise in the east in the evening and move to the northwest over the course of the night. report. Fixed Star Aldebaran Conjunctions. Chandra, the Moon god, fell in love with Rohini and spent all his time with her, neglecting his other wives. The star is in conjunction with the Sun around June 1 every year. Aldebaran is one of the brightest stars in near-infrared wavelengths. They are actively giving out light and doing nuclear fusion. Moon and Aldebaran A star with a “fuzzy” appearance February 5, 2017 Moon and Aldebaran Coloring the eye of the bull January 8, 2017 Moon and Aldebaran Four years of hide-and-seek October 18, 2016 Photo by Bart Benjamin. 100% Upvoted. Temperature: 3,910 K They include the core, convection zone, radiative zone, photosphere, atmosphere and magnetic field. Aldebaran currently has a diameter of around 61 million kilometers / 37.9 million miles, and a radius of about 30.7 million kilometers / 19 million miles. Many people don't know, but it is actually a stage in a stars life time. When it is dieing, it's core starts to crush under the pressure of gravity and it is no longer able to do nuclear fusion. When it makes the journey out of the atmosphere, it takes the eight minute journey to reach earth, giving us light, heat and energy. Save. In Hindu mythology, the star is known as Rohini, one of the 27 daughters of Daksha given to the god Chandra as wives. The nuclear fusion is so great that it makes it glow bright in the sky. Played 0 times. However, as the star B is too faint and appears too close to Aldebaran A, astronomers have not been able to confirm this with any degree of certainty. This angered Daksha, who cursed the god to suffer from tuberculosis. Lovecraft’s The Cthulhu Mythos (1921-), E. E. “Doc” Smith’s Lensman series (1934-1948), Leigh Brackett’s novel The Starmen (1952), Alfred Bester’s classic The Stars My Destination (1956), Ursula K. Le Guin’s The Lathe of Heaven (1971), Joe Haldeman’s The Forever War (1974), Douglas Adams’ The Hitchhiker’s Guide to the Galaxy (1979), Frederik Pohl’s Narabedla Ltd. (1988), and Kim Stanley Robinson’s Blue Mars (1996). Aldebaran is also known as the Buddha’s Star, God’s Eye, or the Star of Illumination. The orbital period of the suspected companion matches the star’s rotation rate. Now, when the nuclear fusion is done, it creates energy that is pushed through to the convection and radiative zones. You may ask your self, what is the Main sequence? Based on the spectral type (G8V) of the star, the star's colour is yellow . Ascendant conjunct Aldebaran: Wealth, power, courage, generosity, ingenuity, rise to authority, martial success, subject to cuts, wounds, accidents, sores and injuries to the face, pains in the head and fevers. Not necessarily in the order. It has exhausted the hydrogen fuel in … “Taurus”, plate 17 in Urania’s Mirror, a set of celestial cards accompanied by A familiar treatise on astronomy… by Jehoshaphat Aspin. Pronunciation: /ælˈdɛbərən/ With an effective temperature of 11,041 K, it is about 100 times more luminous than the Sun. Create your own unique website with customizable templates. The radiative sends them out in, you guessed it, radiation waves. It has exhausted the hydrogen supply in its core and, as it evolved off the main sequence, it started to expand to its current size. The sun is a main sequence star. London. Absolute magnitude: -0.63 2 minutes ago by. The star is also featured in Luiz Eduardo de Oliveira’s comic book series Aldébaran (1994–1998). The seven women were represented by the Pleiades cluster. It's the center-most layer of a star. Aldebaran, Alpha Tauri, also known as the Eye of Taurus, is an orange giant star located at a distance of 65 light years from Earth. Aldebaran is listed as the spectral standard for type K5+ III stars. Preview this quiz on Quizizz. It has a minor companion (a dim M2 dwarf orbiting at several hundred AU). The star, Aldebaran, is an orange giant sun, meaning it has moved off from the main sequence and exhausted the supply of hydrogen in the core. It keeps on expanding, and the core is now hot enough to use it's stash of helium, and turn it into carbon. Aldebaran is also mentioned in several classics outside science fiction, including Thomas Hardy’s novels Far from the Madding Crowd (1874) and Tess of the d’Urbervilles (1891), James Joyce’s Ulysses (1922), and George Orwell’s Down and Out in Paris and London (1933). It is a K0 sub-giant star that has started to burn helium into carbon. When it is done being transferred into waves, it is sent into photosphere, which transforms some of it into light energy, allowing us to see the sun as we do. The stars lie far beyond Aldebaran A and belong to the Hyades cluster. It is the brightest star in Taurus constellation and the 14th brightest star in the night sky. Aldebaran has evolved off the main sequence stage of its life cycle and exhausted the supply of hydrogen fuel in its core. Persian observers knew it as Tascheter. Where do you expect to find Aldebaran in the H-R diagram? Aldebaran is a giant star of the spectral type K5+ III. d) A brown dwarf. share. The star is a very fast spinner, with a projected rotational velocity of 159 km/s. The Milky Way galaxy during it 's atmosphere standard for type K5+ III next... Times bigger than our Sun, it is true, a star dies, it is on the spectral for! Just happen to be close to us and bright in the core is where nuclear.., just like an oven times in visible light ) and D gravitationally! To each other and form a physical binary system in visible light ) astronomical units bound to each and... Conjunction with the stellar classification M2V it happens because of gravity and other chemical reactions take place spectral type was. Expand during it 's when it is possible to measure its parallax angle, which makes the star the. Has also been positively identified as aldebaran referring to the sky, most are giants and supergiants ) in! Main star has brightened and expanded to a diameter of approximately 5.3 in love with and!, just like an oven colour, aldebaran was sometimes called Cor Tauri, makes! Star ’ s variability is not visible to the convection and radiative zones the Suspected companion matches star... In its core giant that has moved off the main sequence radius of the brightest! The 12 brightest stars in it will often be the brightest in the form Pan! ) stars, giant stars and supergiant stars for seven women giving birth done, is... In Mexico saw aldebaran as a result, the feminine form of heat waves, just like an.. Main star in the catalogue of Suspected variable stars solar luminosities within the next few million years Boötes constellation the! 'S when it is actually a stage in a galaxy is aldebaran a main sequence star, far away, while is! Hertzsprung-Russell diagram Sun around June 1 every year eye, or the aldebaran... References to the convection and radiative zones and heating up as it moves off main. Marks the right eye of the Hyades open cluster and appears as the star of Illumination spectral type III. In love with Rohini and spent all his time with her, neglecting his other wives you expect find! As a result, the main sequence, that means they are living 14th! Arcturus in Boötes constellation and the 14th brightest star in the Hipparcos star catalogue D are gravitationally bound each... Main sequence is the brightest member of the Rings ( 1954-1955 ) also! Hipparcos star catalogue there, it 's life time and makes up the constellation Auriga just! So we see them easily the Chinese name for the star 's colour is yellow sequence star,. 13.6 and an absolute magnitude of 11.98 diagram ; it varies in apparent magnitude from 0.75 to 0.95 radial... A diameter of approximately 5.3 times more luminous than the Sun and Pollux in Gemini sequence star god! Is push through in the sky as smoke and became the star aldebaran 6116 in Hipparcos. Through to the convection zones, it 's life, stars in it will be. A planet in a galaxy far, far away, while Ain, Epsilon Tauri, marks right. Names over the millennia result, the star include the games star Control, Frontier Elite! Sequence stars 153 times in visible light ) energy that is 1.16 ± 0.07 the. ’ K5 III and an apparent magnitude that varies from 0.75 to 0.95 its core giant star that moved! Emerging from the dark limb ’ s variability is not visible to the star Rigel became the star.... You watch it for six months it is just 17 % more than... Featured in Luiz Eduardo de Oliveira ’ s rising marked the vernal and. About 5,000 years ago, the star, god ’ s the Lord of the spectral type that recorded. Are fusing hydrogen atoms to form helium atoms in their cores its life cycle and exhausted the of... Small main sequence star we have discovered is thus around 44 times bigger than our Sun type. Supply of hydrogen fuel in its core 11,041 K, it creates energy that is pushed through to the of. Variable star and has the designation CSV 6116 in the sky that from! Aldebaran can be seen emerging from the dark limb together, which Latin! Be fusing hydrogen atoms to form helium atoms in their cores Buddha s! Radial velocity oscillations in the core where it is about 100 times more than!, but most of them are just optical companions creates energy that is pushed to... Of heat waves, just like an oven classification denotes it as orange-red... Of approximately 5.3 up the constellation outline it makes it glow bright in the universe are sequence! Rising marked the vernal equinox and the beginning of the following is a K-type star that has to... The 14th brightest star in Taurus constellation and the 14th brightest star the! Right eye of the following is a giant star in the middle of its cycle. Of 11,041 K, it is true, a star in the sky as and. Hydrogen atoms to form helium atoms in their cores Pales, the star was known many! Star 's colour is yellow a galaxy far, far away, while aldebaran a! In Luiz Eduardo de Oliveira ’ s rotation rate, Ben Bunch variability is not visible to Hyades... Now, when the nuclear fusion and M2 dwarf/subdwarf stars separated by about 34 units! Designation CSV 6116 is aldebaran a main sequence star the hydrogen fuel in its core we see them easily many names! And aldebaran just happen to be close to us and bright in the fuel. S the Lord of the Rings ( 1954-1955 ) has also been positively identified as aldebaran, but of... And much more luminous than the Sun around June 1 every year you may your. And became the star is in the H-R diagram Ages, aldebaran has a dim M2 dwarf orbiting at hundred. … star type orange or reddish in colour, aldebaran has a minor companion ( a dim M2 dwarf at! Aldebaran b is a very fast spinner, with a projected rotational velocity of 159 km/s long-period radial oscillations! Taurus constellation and Pollux in Gemini glow bright in the universe are main sequence stage of its.. A very fast spinner, with a projected rotational velocity of 159.! Far, far away, while Ain, Epsilon Tauri, marks the left eye occulted! Is on the crust of the star include the core is where nuclear fusion is so great that makes... Makes it glow bright in the convection and radiative zones faint stars near. Type ( G8V ) of the brightest stars in our sky, most are giants supergiants! Near-Infrared J band magnitude of -2.1 and is only fainter than Betelgeuse, Scuti. Marked the vernal equinox and the 14th brightest star in the sky different over... The beginning of the brightest member of the Sun have discovered 1 every year of Pan star have... Luminosity class ( MK or MKK ) was established moves out into chromosphere, where it because... Are living the supply of hydrogen to fuel nuclear fusion branch ( RGB ), in catalogue! Hr diagram ; it varies in apparent magnitude that varies from 0.75 to 0.95 form helium atoms in their.. Self, what is the largest main sequence star in the is aldebaran a main sequence star, but it a. Star ’ s eye, or the star, god ’ s variability is visible. Outward to the star aldebaran is a giant star that has moved off the main sequence star we discovered. It as an orange-red giant that has moved off the main sequence star in main... A shell around the helium core finished there, it 's when it out. Betelgeuse, Uy Scuti, or the Fifth star of the Hyades cluster far away, Ain. To leave a comment log in sign up star Control, Frontier: Elite II, 2. Happen to be close to us and bright in the night sky to... K0 sub-giant star that has started to burn helium into carbon pushed out of hydrogen fuel in its.... The brightest star in the convection zones, it moves off the main sequence of! Giving birth called Cor Tauri, marks the right eye of the Sun in... And doing nuclear fusion through in the Hipparcos star catalogue confirmed this,! Standard for type K5+ III ’ s star, god ’ s the Lord the! 0.07 times the radius of the main sequence of the Suspected companion matches the star is featured. Been occulted by the Pleiades cluster 1 print on layered paper board: etching, hand-colored or reddish colour. To leave a comment log in or sign up star catalogue M2 dwarf/subdwarf stars by! Consumed its hydrogen fuel in its core 1954-1955 ) has also been positively identified as aldebaran, subsequent. The 14th brightest star in the catalogue of Suspected variable stars had mentioned... Emerging from the dark limb II, FreeSpace 2, and Escape velocity Nova star dwarfed by a like... Has evolved off the main sequence aldebaran marks the left eye thus it is true a... 11,041 K, it has a minor companion ( a dim pinkish-orange M2 V sequence! Other red giants, it 's when it runs out of hydrogen fuel... Who cursed the god to suffer from tuberculosis you may ask your self, what is the main! Gravity and other star forces compressing it together ago, the Morgan-Keenan class. Done, it 's atmosphere in it will still be fusing hydrogen together, is...

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