the Sun?

Q: High AO CO OD OE FO Low High Temperature Low Use the chart above to answer the question. Which star…

A:

Q: All stars start their lives with the same basic composition. What determines their differences? O…

A: Mass they formed with

Q: A red giant star might have radius = 104 times the solar radius, and luminosity = 1730 times solar…

A: This problem can be solved using Stefan-Boltzmann law of Black body radiation.

Q: A star has a surface temperature of T = 10,000 K and a radius three times that of the Sun, R = 3R…

A:

Q: What star is a white dwarf that is much more dim and hotter than the sun. and which type of stars…

A: 1.carbon-oxygen white dwarfs 2. hydrogen- fusing white dwarfs 3. Sirius B 4. Procyon B 5. Stein 2051…

Q: of a star occur

A: Possible stages of a star that occurs are as follows:

Q: Hertzsprung-Russell Diagram Blue or blue w White Vellow Red orange Red Rioe Supergl Beteigeuse Main…

A: The region of main sequence contains large number of stars than any other region. Therefore most of…

Q: Two stars are identified on the Hertzsprung-Russell diagram below. Hertzsprung-Russell Diagram…

A: In the HR diagram , temperature increases as we go from right to left. Now the Star 1 is to the left…

Q: Put the steps of the life cycle of a star in order.

A: Required :  Steps involved in star cycle.

Q: If the main-sequence mass lower limit is 0.08 solar mass and the brightest main-sequence stars are 1…

A: The Main Sequence Stars are a mass sequence, with low mass stars forming an equilibrium with a cool…

Q: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…

A: Required :  Spectral type, absolute magnitude, temperature and luminosity of star E.

Q: For each type of stellar explosion, identify its progenitor star

A:

Q: What is the most common type of star?

A: There are different types of stars in our universe. They are mainly categorized based on their mass,…

Q: What size star is the sun? O supergiant O medium O giant O white dwarf

A: The sun size is about 696340 km in radius and it's mass is 1.989*10^30 kg.

Q: Which of the following is least reasonable regarding the mass of stars? Group of answer choices…

A: Stars are of different sizes and they have their own set of characteristics based on multiple…

Q: The percentage of helium used immediately during a star’s helium flash phase is

A: It is a very brief phase

Q: sequence

A: Hertzsprung-Russell's diagram clearly shows that the star spends most of its life as a main-sequence…

Q: Which star in the table below has the least surface temperature?   Star Name d (parsecs) Parallax…

A: Since, distance of the star in terms of Parallax is, d=1parallax (in arc-sec)parsecs Now from…

Q: What causes a star to move off the main sequence?

A:

Q: Main sequence star A is 5 times as massive as main sequence star B. How do the main sequence…

A: Main sequence stars are those which fuse hydrogen atoms in their core to form helium. They have a…

Q: High AO 80 Co OD OE FO Low High Low Temperature According to the graph above, which star is the…

A: Solution, Given graph brightness and temperature of different star an object is said to be hottest…

Q: What is the Sun's energy output (luminosity)? Group of answer choices About 4 x 1026 Watts About a…

A: We know that, Sun has radius of 695 x 106 m giving a surface area of 6.09 x 1018 m2 .

Q: Which star is at higher temperature, a red star or a blue star?

A: The temperature of blue star is 40000 Kelvin degrees.

Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…

A: Write the given data. d=3AbsM=13

Q: On a H-R diagram for main sequence stars, as temperature increases, brightness usually increases…

A: Required: Variation of brighness with  temperature in HR diagram.

Q: Why does the orbital period of a binary star depend on its mass?

A: A binary system is formed when two massive astronomical objects start orbiting each other around a…

Q: Star A and Star B are both on the main sequence. Star A is 63 times more luminous than Star B. What…

A:

Q: What is the color of the stars shown on the diagram that have the lowest surface temperature? O red…

A: Required: Color of the stars,

Q: What is the luminosity of a 4-solar-mass main-sequence star?

A: The luminosity of a star is the amount of energy that it radiates per second. It can be considered…

Q: Calculate the gravitational energy released by the Sun.

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What changes occur in the temperature and size of a Sun-sized star as it goes through its life…

A: Main sequence: Sun like stars in main sequence are in thermal equilibrium and they obtain energy…

Q: A star has a luminosity (power output) of 9.2x1026 W and a diameter of 6.1x108 m. What is its…

A:

Q: QUESTION 16 Use the figure shown below to complete the following statement: A low-mass protostar…

A: During the formation of a low-mass protostar, a protostar accumulates mass by accreting material…

Q: The main-sequence age of a star of 1M⊙ is about 1010 years. What is the main-sequence age of a star…

A: Answer the following question is

Q: Number the following stages in the life cycle of a sun-like star in order of occurrence (1-8): White…

A: There are billions of galaxies in the universe and in it there are billions of stars. Stars are…

Q: Why is it that we can describe the life cycle of a star and be confident about it?

A: It is required to describe how we can get an idea about the life cycle of a star.