Astronomy Review
What 3 pieces of evidence supports
the Big Bang Theory?
1) Doppler Effect
2) Microwave Radiation
3) Quasars
Objects in space are moving away
from each other…
• They have a ________ Shift
RED
Name this object
• Hubble Telescope
What is the distance between the
Earth and the Sun?
• Astronomical
Unit
What are the three types of Galaxies?
• Spiral
• Elliptical
• Irregular
What type of galaxy is the Milky Way?
• Spiral
How do stars give off energy?
•Nuclear Fusion
What are the 2 most abundant
elements in stars?
•Hydrogen (H) and
Helium (He)
What instrument breaks light apart?
• Spectroscope
What color stars are the hottest?
•BLUE
Where is our Sun in its lifecycle?
• Main-Sequence
What is the apparent change in
position of a star in the sky when
viewed from two different positions in
Earth’s revolution?
• Parallax
What would you use to measure the
distance between two stars?
• Light year
How long is Earth’s revolution?
• 1 year/365 days
What are constellations that appear to
revolve around the North Star
(Polaris)?
•Circumpolar
constellations
What causes us to see circumpolar
constellations?
•Earth’s rotation
What determines the lifecycle of a
star?
• Mass of the protostar
What is a cloud of dust and gas at the
beginning of a star’s lifecycle?
• Nebula
What does the nebula form?
• A protostar
What is the next stage for our Sun?
• Red Giant
What is the next stage for a Red Super
Giant?
• Supernova
How old is the Earth?
•~4.6 billion years old
How old is the solar system?
•~4.6 billion years old
How old is the universe?
• ~14 (13.8) billion years old
List the planets in order, starting
closest to the Sun
•
•
•
•
•
•
•
•
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Where is the Asteroid Belt?
• Between Mars and
Jupiter
What element in the soil on Mars
makes it red?
•Iron
What is the hottest planet?
•Venus