ECS 1501 ASSIGNMENT 6 QUESTIONS AND 100% CORRECT ANSWERS
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Course
ECS 1501
Institution
ECS 1501
ECS 1501 ASSIGNMENT 6 QUESTIONS AND 100% CORRECT ANSWERS
You would expect millisecond pulsars to be a) most common in open clusters.
b) collapsing rapidly.
c) part of a binary system. d) rotating slowly.
e) isolated in space. - CORRECT ANSWER==c) part of a binary system.
An observer on...
ECS 1501 ASSIGNMENT 6
QUESTIONS AND 100%
CORRECT ANSWERS
You would expect millisecond pulsars to be a) most common in open clusters.
b)collapsing rapidly.
c)part of a binary system. d) rotating slowly.
e) isolated in space. - CORRECT ANSWER==c) part of a binary system.
An observer on a planet sees a spaceship approaching at 0.5c (where c is the speed of light). A beam of light projected by the ship would be measured
by this observer to travel at
a) 2.5c.
b) c. c) 1.5c.
d) 0.25c.
e) 0.5c. - CORRECT ANSWER==b) c.
For a white dwarf to explode entirely as a Type I supernova, its mass must be a) 3 solar masses, the Schwartzschild limit.
b) 20 solar masses, the Hubble limit. c) at least 0.08 solar masses.
d)100 solar masses, the most massive known stars.
e)1.4 solar masses, the Chandrasekhar limit. - CORRECT ANSWER==e) 1.4 solar masses, the Chandrasekhar limit.
What can you conclude about a Type I supernova? a) Its spectrum will show large amounts of hydrogen. b) It was originally a low-mass star.
c) The star never reached the Chandrasekhar
limit. d) Its core was mostly iron.
e) It was originally a high-mass star. - CORRECT ANSWER==b) It was originally a low- mass star.
Which stars in globular clusters are believed to be examples of mergers? a) eclipsing binaries
b) planetary nebulae cores c) blue supergiants
d)brown dwarfs
e)blue stragglers - CORRECT ANSWER==e) blue stragglers
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