Stars in the outskirts of a globular cluser are about 43 light years from the cluster's center, and orbit at speeds of about 11 km/s. How massive is this cluster? (answer in solar masses)
Q: Suppose the Sun was part of a binary star system with a period of 15 years and an average separation…
A: Given data Time period ,T=15 years=15×3.154×107 sec Radius, r=10 AU=1.496×1012 m
Q: What is an emission nebula?
A: The space between stars and galaxies is filled with clouds of gas and dust. These clouds of gas and…
Q: If a prostellar disk is 260 au in radius and the disk plus the forming star together contain 7 solar…
A:
Q: Suppose you observe a star orbiting the Galatic center at a speed of 1000 km/s in a circular orbit…
A:
Q: If an X-ray binary consists of a 17-solar-mass star and a neutron star orbiting each other every…
A: The expression for the Kepler’s third law is as follows: MA+MB=a3p2 1
Q: A molecular cloud is 22 pc in diameter and is located 303 pc from Earth. What is its angular size on…
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: Neutron Star Accretion Disk. If the accretion disk around a 2.25-solar-mass neutron star has a…
A:
Q: If the accretion disk around a neutron star has a radius of 2 × 105 km, what is the orbital velocity…
A: Neutron stars are formed when massive stars collapse under their own gravity. They are very…
Q: the book's example of the Schwarzchild radius of the supermassive black hole Sag A* with a mass of…
A:
Q: If a globular cluster contains 1 million stars and is 25 pc in diameter, what is the average…
A: The diameter of the globular cluster is d= 25 pc. Number of stars contain by the open clusters n= 1…
Q: what is the smallest planet that could be detected around a 0.4 Rsun M dwarf star?
A: transit depth is the ratio of surface area of planet and the star transit depth = πRp2πRs2 where Rp…
Q: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
A: Given Data: The radius of the neutron star is r = 8 x 105 km. As we know that the mass of the…
Q: (Astronomy) X-Ray Binary. If an X-ray binary consists of a 20-solar-mass star and a…
A: Solution: Given Values, Mass of the star A MA=20 solar mass Mass of the neutron star MS=2.25…
Q: a supernova remnant is now 2.95 pc in radius and is expanding at 3,850 km/s. approximately how many…
A: Given information: The radius of the supernova remnant (D) = 2.95 pc = 2.95 (3.1×1013 km) = 9.145…
Q: Why massive stars are short lived?
A: A massive star has a shorter life spanthan an average star because of fasterhydrogen fuel…
Q: Determining the orbit of the two stars of Kepler-34, also called A and B. These two stars together…
A: For a binary system, the period T is T=4π2a3Gm1+m2 Where a is the semi-major axis, m represents the…
Q: Given the density of a pulsar, an extremely dense rotating star made of neutrons, is about 1011…
A: The density of a material defines how closely spaced the material has been packed. If the material…
Q: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
A:
Q: A star with mass 1.05 M has a luminosity of 4.49 × 1026 W and effective temperature of 5700 K. It…
A:
Q: How close, r, to the center of a neutron star would a manned satellite be orbiting if it were at the…
A: Gravitational force of earth’s surface = Gravitational force of star GMN mr2=mg r= G MNg
Q: Suppose you observe a star orbiting the galactic center at a speed of 1100 km/s in a circular orbit…
A:
Q: What stops the production of energy in the evolution of a high mass star?
A: Required: We need to find what stops the production of energy in the evolution of a high mass star.…
Q: If the hottest star in the Carina Nebula has a surface temperature of 51,000 K, at what wavelength…
A: Concept: "The Wien's displacement law states that the wavelength carrying maximum energy is…
Q: Q1 (ints): A0620–00 is an X-ray binary system, there is a normal star and a compact object. For the…
A: A binary system in astronomy consists of two astronomical objects two stars or a star and an…
Q: Let's compare the acceleration due to gravity at the surface of a Sun-like star to a white dwarf of…
A:
Q: If a globular cluster contains 2 million stars and is 30 pc in diameter, what is the average…
A: A Globular cluster is a cluster of old stars, only a few years younger than the Universe itself…
Q: Why don't red dwarfs become giant stars?
A: Red dwarf stars or M-type stars are small stars with a mass of 0.08 to 0.6 times the mass of the…
Q: The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation…
A: Given: Distance of galactic center of Milky way r = 50 kpc r=50kpc3.086×1019m1kpc=154.3×1019m.…
Q: What is the orbital period of Proxima Centauri and alpha Centauri about each other if the alpha…
A: Kepler's law is used to describe planetary motion. Kepler's third law describes the…
Q: The star G1710 is currently at a distance of 62 lightyears and has an apparent visual magnitude of…
A:
Q: why are Cepheid variable stars good distance indicators? What about supernovae?
A: Named after delta-Cephei, Cepheid Variables are the most important type of variable because it has…
Q: If a protostellar disk is 240 AU in radius and the disk plus the forming star together contain 9…
A: Given Radius r = 240 AU Mass m = 9 Solar mass Known Values 1 AU = 1.496 x 1011 m 1 solar mass =…
Q: Some interstellar Properties. Use excel calculator to fill in the missing figures. 1 ly = 365 × 24 ×…
A: A Table of a list of stars is given with their masses (given in solar masses) and distance to the…
Q: What makes the TOI-270 system particularly interesting is that the three exoplanets detected this…
A: Given that:Time period of TOI 270c, T1=5.7 dayTime period of TOI 270d, T2=11.4 day
Q: If a circular accretion disk around a 1.4 M. neutron star has a radius of 8.00 x 10° km as measured…
A: Given data: Mass of the Neutron star is, M= 1.4 Ms Where, Ms - Mass of the sun Therefore, Mass of…
Q: A star orbiting Sagittarius A* is orbiting 970 AU from a 4 million MSun object. How fast (in km/s)…
A: The centripetal force is the force that keeps the planet or the star revolving around a central…
- Stars in the outskirts of a globular cluser are about 43 light years from the cluster's center, and orbit at speeds of about 11 km/s. How massive is this cluster?
- (answer in solar masses)
Step by step
Solved in 2 steps with 1 images
