A star will enjoy most of its life in the main sequence phase. What is the correct life cycle of a star like our Sun? Gas created from the remains of planets that once orbited a dead star. The fusion of protons to helium is an excellent, long-lasting source of energy for a star because the bulk of every star consists of hydrogen atoms, whose nuclei are protons. A star end will depend on its size in life the end of a start can be a red giant to supernova, a white dwarf, pulsar, or black hole. A star the size of our Sun will spend about 10 billion years in . All stars, irrespective of their size, follow the same 7 stage cycle, they start as a gas cloud and end as a star remnant. Eventually, the hydrogen fuel runs out, and the internal reaction stops. Updated 5/18/2016 12:03:58 AM. The sun has around 4 - 5 billio. Gas ejected from a low-mass star in the final stage of its life. Maturity follows the stable stage of most stars. But massive stars die earlier than this time period. Answer (1 of 5): The sun is known as a Main sequence star, of fairly average size. False The more massive a star is, the longer it lives because it has more hydrogen to fuse into helium. A star's life can extend for as long as trillions of years. Helium. A typical star spends most of its life as a _____. A. giant star B. protostar C. dwarf star D. main sequence star. The remains of a high-mass star that has exploded. 2. At this point nuclear fusion is turning hydrogen into helium. The larger its mass, the shorter its life cycle. A star end will depend on its size in life the end of a start can be a red giant to supernova, a white dwarf, pulsar, or black hole. 30 terms. 5 points Note: The following questions are unrelated to the Balmer series or The Martian. eli14490 . A small, cool red star red dwarf star The smallest and coolest of stars, having the longest lifetime of all stars. e. As a protostar 4. A star will spend the majority of it's life as a _____. becoming a white dwarf is a planetary nebula. When a star's inward gravity and outward pressure are balanced, the star is said to be A) in thermal expansion. Our Sun is one of these stars. View the full answer. A star like the sun will spend most of its nuclear burning life a. . during this phase . It is this stage during which a star will spend most of its life. A star such as this would spend about 10 billion years within this stage, where it will mostly fuse hydrogen to helium generating the heat and light that we, here on Earth, rely on. Eventually, only about 20% of the star s initial mass remains and the star spends the rest of its days cooling and shrinking until it is only a few thousand miles in diameter. For a steady star, have a yellow light inside a 2-inch globe. The average life span of a small and medium sized star is 10 billion years. becoming a white dwarf is a planetary nebula. Before turning into a white dwarf, a star like the Sun will spend most of its life as a _____ star. the core heats and the star as a whole expands. 1. A star whilst being luminous, will spend most of it's life - about 90% - on the main sequence.However, when a star "dies" they are still refereed to, by many, as stars so one could argue that a . Inside its planetary nebula c. In a sustained helium flash lasting billions of years d. On the main sequence. Oxygen. D) inside its planetary nebula. The sun in our solar system is a clear example of this. 2. E) in a sustained helium ash lasting billions of years. Log in for more information. Memorize flashcards and build a practice test to quiz yourself before your exam. The point in a star's evolution during which it maintains a stable nuclear reaction. hydrogen burning happens only in shells outside the core of the star. answer choices. Main Sequence Star. it is increasing in size. 59 terms. They burn up their nuclear fuel in only millions or tens of millions of years. Gas ejected from a low-mass star in the final stage of its life. As it expands, the star first becomes a subgiant star and then a red giant. A. it is increasing in size. E) in a sustained helium ash lasting billions of years. Giant Gas Cloud. Unit 908-915, Level 9, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong Red Giant A large star that is reddish or orange in color. its luminosity increases while its surface temperature decreases. True Convection in the outer layers of a star like the Sun helps mixing and makes more hydrogen available for burning. ASTRO 110 CH 9-12 Study Guide. See Answer. Transcribed image text: Stellar Evolution Choose one. A star with mass 10 times the mass of the Sun will turn into a _____ or _____ at the end of its life. In repeated swellings to the red giant b. Astronomy Final Exam. Stars spend most of their life span as giants? electron degeneracy. Red Giant. Question|Asked by rondo19. Without the reactions occurring at the core, a star contracts inward through gravity causing it to expand. A star's life cycle is determined by its mass. blue main sequence star Very hot star (45,000 degrees) and 20x the mass of the sun. The faster a star pulsates, the more luminous it is C. Period of pulsation is independent of luminosity D. None of the above A. Yes Star spend most of their life span as a main sequence star. Our Sun is one of these stars. When a star's inward gravity and outward pressure are balanced, the star is said to be A) in thermal expansion. For a newborn star, have an orange light inside a 3-inch globe. Over time, the hydrogen gas in the nebula is pulled together by gravity and it begins to spin. 10 billion years How long will our sun live? _____ is the first fuel that supplies the nuclear fusion in a star. Other Quizlet sets. It is this stage during which a star will spend most of its life. To show the birth of a star as a hot gas cloud, wrap the outside of a globe in cotton and place it over the first bulb of the string of lights. A star will enjoy most of its life in the main sequence phase. 2. Sun or the sun-sized star remains in the main sequence for approx 10 billi . A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. In which phase do most cells spend the majority of their lifetime? SURVEY . The more slowly a star pulsates, the more luminous it is Which of the following elements in your body is formed in stars? nebula, main sequence, red giant, planetary nebula, white dwarf, black dwarf. A star will spend most of its life a. Red Giant. Super Giant. and more. A star will spend most of its "shining" lifetime a) as a protostar. Supernova. the core will consist primarily of helium. To show the birth of a star as a hot gas cloud, wrap the outside of a globe in cotton and place it over the first bulb of the string of lights. False Oxygen C. Calcium gravity will crush the star A typical star spends most of its life as a main sequence star. avory_chavez. The most common type of star in our universe. 1. A star whilst being luminous, will spend most of it's life - about 90% - on the main sequence.However, when a star "dies" they are still refereed to, by many, as stars so one could argue that a . The point in a star's evolution during which it maintains a stable nuclear reaction. e. As a protostar main sequence star. Carbon B. . 30 seconds . Other Quizlet sets. answer choices . Before turning into a white dwarf, a star like the Sun will spend most of its life as a main sequence star. Our computer models of how stars evolve over time show us that a typical star will spend about 90% of its life fusing the abundant hydrogen in its core into helium. 25 The ultimate fate of our Sun is to _____. 49 terms. It is the stage in a star's life cycle where it maintains as a stable nuclear reaction. Main sequence, white dwarf, red giant, red supergiant, nebula. The star is only stable because the light pressure of this energy. 31 terms. A star will spend most of its life "as a main sequence star"In short, Your Answer would be Option BHope this helps! A large star that is reddish or orange in color. 20 flashcards containing study terms like A star will spend most of its "shining" lifetime, As stars evolve during their main sequence lifetime, What inevitably forces a star like the Sun to evolve away from being a main-sequence star? A star will spend most of its life A) as a protostar. Astronomy Stellar Evo Test Review. answer choices . rashel-bueno. hydrogen burning happens only in shells outside the core of the star. A sun-sized star will spend most of its lifetime as a main sequence star. The number of years that these stars would spend at this stage depends largely on the mass of the star. Start studying the Astronomy Ch. smaller. its luminosity increases while its surface temperature decreases. mskennedy2003 mskennedy2003 02/06/2017 Physics Middle School answered A star will spend most of its life A. as a protostar B. as a main sequence star C. as a black hole D. as a white dwarf . Red Giant A star converts hydrogen atoms into helium over its course of life at its core. For a steady star, have a yellow light inside a 2-inch globe. A star will spend most of its life a. Nebula, main sequence, red supergiant, supernova, black hole, neutron star. Inside its planetary nebula c. In a sustained helium flash lasting billions of years d. On the main sequence. the core will consist primarily of helium. smaller. The amount of time a star spends in this phase depends on its mass. Astronomy Exam 2. . At this point nuclear fusion is turning hydrogen into helium. brendansnyder22. Asked 4/1/2015 7:50:20 AM. The more slowly a star pulsates, the more luminous it is B. 4. C) on the main sequence. Solution 1 : Sun-sized star will spend most of its life time as main-sequence star. electron degeneracy. Yes Star spend most of their life span as a main sequence star. B) in repeated swellings to the red giant. ASTR 1020 Exam 2 GSU Manne-Nicholas. In repeated swellings to the red giant b. A. Massive stars transform into supernovae, neutron stars and black holes while average stars like the sun, end life as a white dwarf surrounded by a disappearing planetary nebula. A 40 solar mass star will end its life as a. black hole. 3. Tags: Hydrogen. Tags: Question 17 . 2. For a newborn star, have an orange light inside a 3-inch globe. a cell, during its active division, spends most of the time in Interphase, rather G1 Phase of the cell cycle. A star will spend most of its life A. as a protostar B. as a main sequence star C. as a black hole D. as a white dwarf 2 See answers brandondu4 brandondu4 The answer to your question will be D. as a white dwarf Brainly User Brainly User A star will spend most of its life "as a main sequence star" In short, Your Answer would be Option B The amount of time a star spends in this phase depends on its mass. A star will spend most of its life A) as a protostar. . B) in repeated swellings to the red giant. 3. Q. D) inside its planetary nebula. the core heats and the star as a whole expands. C) on the main sequence. Carbon.