Astronomy Review

Where are the sun and solar system located?

• In the center of the Milky Way galaxy

• Within the spiral arms of the Milky Way galaxy

• Outside the Milky Way galaxy

• Outer edge of the Milky Way galaxy

Which of the following contributes most to the size of tides on Earth?

• rotation of Earth

• gravitational pull of the moon

• gravitational pull of the sun

• gravitational pull of the planets

The asteroid belt can be found between the orbits of

• Neptune and Pluto

• Mars and Jupiter

• Earth and Mars

• Mercury and Venus

The sun produces most of its energy from

• chemical reactions

• nuclear fission

• gravitational contraction

• nuclear fusion

The lifetime of a star on the main sequence is determined by its

• Mass

• Color

• Apparent Brightness

• Surface temperature

The sun will eventually use up its hydrogen fuel and become a

• neutron star

• white dwarf

• black hole

• supernova

The Milky Way is an example of a (an)

• nebula

• elliptical galaxy

• spiral galaxy

• irregular galaxy

How does a black hole form

• burnt up supergiant

• burnt up giant

• white dwarfs formed together

• chemical reactions

Stars form from

• dust and other particles cemented together

• nebulas

• planets

• quasars

According to the Big Bang Theory how did the universe begin?

• The universe began in an instant, billions of years ago, in a huge explosion

• all existing particles joined in one, formed from gravity

• it was always there

• none of the above