It's Astronomy were two worlds apart

Which of the following is the missing stage in the life cycle of a lower-mass star (like the Sun)?

      Stage 1. Protostar

      Stage 2. Main Sequence star

      Stage 3. Red giant

      Stage 4. ?

• Planetary nebula

• Neutron Sttar

• supernova

• white dwarf

What two properties help determine a star's size?

• color and distance from Earth

• temperature and absolute brightness

• color and effect of gravity

• temperature and apparent brightness

Which of the following provides support for the Big Bang Theory?

• both redshift and CMBR

• redshift of galaxies

• cosmic microwave background radiation

• shapes of galaxies

Which of the following are required in the formation of a star?

• gravity and fusion

• gravity and inertia

• inertia and friction

• light and fusion

If a galaxy is moving away from Earth you would expect it to appear

• blue

• yellow

• white

• red

Stars are primarily composed of _______________.

• hydrogen and helium

• carbon and oxygen

• hydrogen and carbon

• helium and lithium

A hot, bright star would appear in which region of an H-R diagram?

• upper left

• lower right

• upper right

• lower left

As you move from left to right along the Main Sequence in an H-R diagram, does the temperature of a star increase or decrease?

• decrease

• increse

Dark matter can be detected by its _______.

• velocity

• gravitational effects on visible matter

• cosmic microwave background radiation

• red shift

The Big Bang Theory explains the _______.

• life cycle of a star

• organization of the Universe

• origin of the solar system

• origin of the Universe