Universe Part One Question Preview (ID: 2932)


Distances In Space, Theories,and Galaxies. TEACHERS: click here for quick copy question ID numbers.

What is cosmology?
a) study of stars and galaxies
b) study of the solar system
c) study of electromagnetic waves
d) study of the past, present, and future of the Universe

How old is the universe?
a) 15 to 20 billion years
b) 10 million years
c) 4.5 billion years
d) 1 billions years

Which theory of the universe starts with a big bang and the expansion continues?
a) closed
b) open
c) steady-state
d) big bang

Which theory of the universe starts with a big bang , expands, gravity pulls it back in and then a big bang happens again?
a) closed
b) open
c) steady-state
d) big bang

Which theory of the universe states the universe has always been here and nothing has really changed?
a) closed
b) open
c) steady-state
d) big bang

What is the evidence that the universe is exoanding?
a) big bang
b) red shift
c) doppler effect
d) electromagnitism

The brightness of a star as seen from Earth is called the __________ magnitude.
a) absolute
b) apparent
c) steady
d) terra

The brightness of stars when they are compared at the same distance is called the _________ magnitude.
a) absolute
b) apparent
c) steady
d) terra

A galaxy whose arms curve outward in a pinwheel pattern is a
a) Elliptical
b) Irregular
c) Spiral
d) Barred

A galaxy shaped like a flattened ball that can obtain mostly old stars is
a) Barred
b) elliptical
c) irregular
d) spiral

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