Quiz Unit #4 - AST1102
Study online at https://quizlet.com/_8u8un7
What method do we use to determine dis-
tances to stars less than 30 ly away?
11.
For stars further than 30 ly away, and less than 100 ly, the following is used
Cepheid's
12.
For stars further than 100 ly away____ is used
Supernova
13.
How are black holes formed?
From a star born at near 30 times the mass of the Sun
14.
Hubble contributed to astronomy by showing
all galaxies are moving away from us
15.
What did the scientist Hubble do for astrono-
my
Classification scheme of galaxies
16.
Using stellar parallax, a star's position in the sky is measured ____ months apart
6
17.
What is the fate of our Sun?
White dwarf and planetary nebula
18.
Why will our Sun become a Red Giant star in 5 billion years
Stars to run out of Hydrogen at the core
19.
A star born large lives longer than a star born small
False
20.
There is a super massive black hole at the center of all galaxies
True
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