During this time, the star sits somewhere on the main sequence in the HR diagram: hot and luminous, if it is massive, or cool and dim, if it is a lightweight. A Main Sequence Star is a star that is fusing hydrogen into helium. On the main sequence, stars obtain their energy A) from chemical reactions. In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers a, b, and c satisfy the equation a n + b n = c n for any integer value of n greater than 2. 2016-03-29 00:21:44. by converting helium to carbon, nitrogen, and oxygen. A) from chemical reactions. E) from nuclear fission. k is used to store hot water and to keep it at 100c at all times. In a main sequence star, hydrogen nuclei fuse together to form helium nuclei. This happens in several steps, but one way to simplify the overall change is: Wiki User. Main sequence stars burn brighter as they exhaust their fuel. Since most of the hydrogen in stars is outside the core, stars only get to use about 15% of their hydrogen while on the main sequence. Views. For the bulk of its lifetime, a star fuses hydrogen into helium in its core.

In lecture 20 we learned that fusing 1 gram of hydrogen to helium produces 6.4 1018 ergs of energy. Although the fusion of E) from nuclear fission. On the main sequence, stars obtain their energy. on the main sequence, stars obtain their energy by converting hydrogen to helium which of the following luminosity classes refers to stars on the main sequence? Which of the following is the most common type of main-sequence star?

c. by converting hydrogen to helium. rotation rate of the star . Answer (1 of 7): Most stars contain a large percentage of Hydrogen. In a main sequence star, hydrogen nuclei fuse together to form helium nuclei. c) from gravitational contraction. On the main sequence, stars obtain their energy: by converting hydrogen to helium. Fusion reactions which fuse 4 hydrogen nuclei into a helium nucleus generates the energy in main sequence stars. The cases n = 1 and n = 2 have been known since antiquity to have infinitely many solutions..

2018-01-19 11:50:02. A main sequence star has characteristics that place it on an H-R diagram's band, or main sequence. Wiki User. When stars fuse hydrogen to helium in their cores, they are said to be " on the main sequence" That astronomy jargon explains a lot about stars. Most of us spend a lot of time around water. About 90 percent of the stars in the universe, including the sun, are main sequence stars. 25 On the main sequence stars obtain their energy by converting hydrogen to from PHYS 202 at New Jersey Institute Of Technology B-type main sequence star. Main Sequence Stars Facts. C) by converting hydrogen to helium. Stars get their energy from nuclear fusion; in a main-sequence star, mainly, hydrogen-1 is fused into helium-4. by converting hydrogen to helium. D) by converting helium to carbon, nitrogen, and oxygen. Once a star has finished fusing hydrogen into helium, it begins fusing helium into either carbon or oxygen. B) from gravitational contraction. b. from gravitational contraction. C) by converting hydrogen to helium. B) from gravitational contraction.

There are two ways by which this can happen. Get slowly brighter with age. Main sequence stars produce energy by fusing hydrogen into helium in their cores. On the main sequence stars obtain their energy By converting hydrogen to helium On the main sequence stars obtain their energy by School University of Southern California E) from nuclear fission. If you have ever wondered why you had to turn on the faucet to water the plants, this is a good explanation. Then, it begins to fuse those into neon and so on. Reference Se-246; FK-467. Low-mass stars are cooler and less luminous than high-mass stars C) by converting hydrogen to helium. By converting hydrogen to helium. On the main sequence, stars obtain their energy Select one: a. from chemical reactions. d. gravitational contraction. b) by converting helium to carbon, nitrogen, and oxygen. About 90 percent of the stars in the universe, including the sun, are main sequence stars.

from gravitational contraction. The Sun is on the main sequence and will remain there for another 5 billion years before becoming a red giant and ending its life as a white dwarf after travelling along the asymptotic branch of the giants. Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. The Main Sequence is a Mass Sequence: Lower M-S: M < 1.1 M sun Upper M-S: M > 1.1 M sun. Which of the following is the most common type of main-sequence star? Since most of the hydrogen in stars is outside the core, stars only get to use about 15% of their hydrogen while on the main sequence. a. the proton-proton cycle. D) by converting helium to carbon, nitrogen, and oxygen. C) from nuclear fission. B) from gravitational contraction. e) by converting hydrogen to helium. This answer is: 8. C. By mass, the interstellar medium in This answer is: 30. B) from gravitational contraction. It prefers 10 million K, but the absolute minimum is 4 million Low-mass stars are cooler and less luminous than high-mass stars. The deep interiors of the stars that derive their energy primarily from the carbon cycle are in convective equilibrium, whereas in the outer parts the energy is carried by radiation. e. from nuclear fission. 28) Which of the following best describes convection? 13 Which main sequence star spectral type has the longest hydrogen burning lifetime? C) by converting hydrogen to helium.

The main sequence is the area on a Hertzsprung-Russell diagram in which most observable stars are located. Main sequence stars are characterized by the fusion hydrogen into helium in their cores to produce energy. B) from gravitational contraction. This, combined with the larger radius of higher mass main sequence stars accounts for their much greater luminosity. On the main sequence, stars obtain their energy Question options: a) from chemical reactions. D) by converting helium to carbon, nitrogen, and oxygen. A) from chemical reactions. E) from chemical reactions. Plants are living systems and they actually need constant water to be able to sustain themselves. During the main sequence star, the outward pressure of heat is counter-acted by the inwardly pressue of gravity which keeps the star at a fairly equilibrium. What keeps it at the equilibrium is the mass and the fuel that it has to burn. In main sequence stage how is energy generated in a star's core? Stars more massive than the Sun obtain their energy while on the main sequence from. Main-sequence stars get their energy from the fusion of hydrogen to helium in their cores. When a star is referred to as a Dwarf Star, it usually refers to a Main Sequence star. D) by converting helium to carbon, nitrogen, and oxygen. Stars get their energy from nuclear fusion; in a main-sequence star, mainly, hydrogen-1 On the main sequence, stars obtain their energy: by converting hydrogen to helium. cook41151 is waiting for Main sequence stars produce energy by fusing hydrogen into helium. Fusion reactions which fuse 4 hydrogen nuclei into a helium nucleus generates the energy in main sequence stars. There are two ways by which this can happen. The faintest star visible to the naked eye has an apparent visual magnitude of about: 6. Which of the following statements about open clusters is true? to accomplish this, the outer surface of the container is wrapped with a 800-w electric strip heater and then insulated. 14 When the hydrogen fuel runs out at the center of a main sequence star the star? On the main sequence, stars obtain their energy. on the main sequence, stars obtain their energy. It's fusing helium into carbon and oxygen. Again, the core of a star on the main sequence, thus gets denser and hotter. E) from nuclear fission. High-mass stars become red supergiants, and then evolve to become blue supergiants. b. the CNO cycle * c. the triple-alpha reaction. First of all the strong nuclear force fuses two protons into a highly unstable diproton. Data (US: / d t /; UK: / d e t /) are individual facts, statistics, or items of information, often numeric. Lecture 15: The Main Sequence Readings: Chapter 20, section 20-4 Key Ideas Main Sequence stars are those that "burn" Hydrogen into Helium in their cores. A catastrophic loss of

In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable.. The greater the mass of a main sequence star, the greater its effective temperature. Answer: C. C ) by converting hydrogen to helium .

The outflow of energy from the central regions of the star provides the pressure necessary to keep the star from collapsing under its own weight, and the energy by which it shines. Which of the following comparisons between low-mass stars and high-mass stars is true? On the main sequence, stars obtain their energy by converting hydrogen to helium The more distant a star, the smaller its parallax. Fusion reactions power the stars and produce all but the lightest elements in a process called nucleosynthesis. 2018-01-19 11:50:02. 12 How do stars on the main sequence obtain their energy? Among the hotter stars of the main sequence, the reverse appears to be true. On the main sequence, stars obtain their energy A) from chemical reactions. When stars run out of hydrogen, they begin to fuse helium in their cores. Let's take a look at the nuclear reactions which provide energy during the hydrogen-burning phase of its life. On the main sequence, stars obtain their energy. Stars get their energy from nuclear fusion; in a main-sequence star, mainly, hydrogen-1 is fused into helium-4. Discover features of a main sequence star and

1 1H +1 1H 2 2H e. Main-Sequence Lifespan Remember, L T 4 and L R 2 so even a small increase in effective temperature will significantly increase luminosity. B) from gravitational contraction. How do stars on the main sequence obtain their energy A from chemical reactions from ERTH 101 at Santa Barbara City College This tendency more than compensates for the decrease in fuel, and so there is a higher rate of energy production and the star gets brighter. This happens in D) by converting helium to carbon, nitrogen, and oxygen. On the main sequence stars obtain their energy from gravitational contraction by On the main sequence stars obtain their energy from School University of California, Los Angeles Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. On the Main Sequence Stars Obtain Their Energy Get link; Facebook; Twitter; Pinterest; Email; Other Apps - May 06, 2022 Life Cycle Of A Star Sun Main Sequence Star Stellar Nebula Ppt Download Main Sequence Stars Chart Characteristics Facts Video Lesson Transcript Study Com Main Sequence stars are often referred to as dwarf star s, 31. 30) On the main sequence, stars obtain their energy A) from chemical reactions. D) by converting helium to carbon, nitrogen, and oxygen. Compared to a main-sequence star with a short lifetime, a main-sequence stars with a long lifetime is. Wiki User. February 26, 2021. 27) On the main sequence, stars obtain their energy A) by converting hydrogen to helium. On the main sequence, stars obtain their energy Group of answer choices from chemical reactions. The Sun is expected to be a main sequence star for billions of years. C) by converting hydrogen to helium. d. by converting helium to carbon, nitrogen, and oxygen. Main-sequence stars get their energy from the fusion of hydrogen to helium in their cores. Any Star that reaches at least 4 million Kelvin at its core can, due to quantum tunnelling, achieve Hydrogen fusion. This answer is: The proposition was first stated as a theorem by Pierre de E) from nuclear fission On the main sequence stars obtain their energy Question options This is when they leave the main sequence. d) from nuclear fission. true Which of the following comparisons between low-mass stars and high-mass main-sequence stars is true? Smaller stars like the Sun use the proton proton chain reaction. (Credit: CSIRO Australia 2004) When they are on the main Fusion reactions.