Astronomy- Midterm Review

11 important questions on Astronomy- Midterm Review

Observation that the farther away a galaxy is, the faster its moving away from us

Hubble's Law

Less than half of the total matter in the universe:

Ordinary matter

All of the matter and energy that exists and all of space and time

Universe
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True or False:
There are billions of galaxies in the universe

True

True or False:
A star cluster may contain one or more galaxies

False

True or False:
Open star clusters contain more stars than globular clusters

False

True or False:
Galaxies are divided into types based on size

False; they are divided based on shape

True or False:
Spiral galaxies are generally older than elliptical

False

True or False:
Dwarf galaxies are often found near larger galaxies

True

True or False:
Some galaxies contain over a trillion stars

True

True or False:
Our solar system is within one of the spiral arms of our galaxy

True

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