Explain how some stars form in binary systems.
Q: Which of the following is least reasonable regarding novae and supernovae? Group of answer choices…
A:
Q: Put the steps of the life cycle of a star in order.
A: Required : Steps involved in star cycle.
Q: The Sun's mass is 2.0x1030 kg, its radius is 7.0x105 km, and it has a rotational period of…
A: lets us consider that the mass of the sun is M is its Radius Rs , its moment of inertia is given by…
Q: What is the most reliable way to measure the mass of a star for which the distance is unknown? a.…
A:
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: What type of star has the longest life span? a. O b. K c. B d. A e. M
A: What type of star has the longest life span?
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: Type Ia Supernova is an example of a: a. Parallax object b. Moving cluster object c. Standard
A:
Q: Which main-sequence star would be the least luminous? a. A b. B c. F d. G e. K
A: Answer:) option(a) A alpha century A is least luminous because its absolute magnitude (+4.4) which…
Q: Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…
A: 1. Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…
Q: Of the following types of stars, the one that has never been and can never be a giant star is a a.…
A: a. Red dwarf stars
Q: a) What is a binary star system? (b) describe briefly two methods for showing that a system is a…
A: (a) A binary star system is a system of two stars orbiting each other around a common center. Binary…
Q: velocity curve for a double line spectroscopic binary is shown in the sketch. The system is viewed…
A:
Q: a) (Palen, et. al., 2nd, Problem 45) Rigel has a Hipparcos parallax of 0.00412 arcsec. Given Rigel…
A: Rigel and Betelgeuse are located in the constellation of Orion, which are about 864.3 and 642.5…
Q: The total mass of a binary system can be calculated from a. the ratio of the angular…
A: Answer c. the semi major axis and period of the orbit.
Q: What is the total mass of a visual binary system if the average separation of the stars is 8 AU and…
A: A binary system is formed when two astronomical objects come close enough to start orbiting each…
Q: Which of the following stars are bright and very cool
A: The Supergiants are cool stars, which are very large and really bright. they're located towards the…
Q: 51 Pegasi" is the name of the first normal star (besides the Sun) around which a planet was…
A:
Q: A. Based on the graph, what is the approximate mean luminosity of a Cepheid variable star with a…
A: From the above graph, we have to mention the approximate luminosity, in solar units, of a Cepheid…
Q: Star A and Star B are a bound binary at a distance of 20 pc from the Earth. Their separation is 30…
A:
Q: The sketch below shows an H-R diagram for a star cluster. Consider the star to which the arrow…
A:
Q: Which of the following is a true statement? A smaller diameter star can never have a smaller number…
A: The statement that is true among the options provided is:"A smaller diameter star can never have a…
Q: Choose the statements that correctly describe the characteristics of the stars located in the…
A: Option-E is the correct option.
Q: Describe the spectra for a spectroscopic binary for a system comprised of an F-type and L-type star.…
A: Given Describe the spectra for a spectroscopic binary for a system comprised of an F-type and L-type…
Q: An eclipsing binary will a. be more luminous than a visual binary. b. always be a…
A: In a binary star system, the two stars rotate about a common center of mass. This common center of…
Q: Problem Set on Binary Systems: 1.Consider two stars in orbit about a mutual center of mass. If al is…
A: The semimajor axis of a star's orbit and the distance is related by the following formula.…
Q: Problem A.2: Brightness of a Binary Star (4 Points) A binary star system consists of two stars very…
A: Given A Binary star system consists of two stars very close to each other. The two stars have…
Q: neid variable stars would a that is 10,000 times as lu
A: A variable star is, quite simply, a star that changes brightness. A star is considered variable if…
Step by step
Solved in 2 steps
