Earth in the Solar System
Astronomy STAR review Name: ______
Define Galaxy (p.617):As galaxies are discovered they are classified by their differing sizes and shapes. The most common shapes are ______, ______, and ______.(p.619) / What makes up most of outer space? (p.617)
Draw an irregular galaxy(p.618):
*Age of stars: Young or old (pick 1) / Draw an elliptical galaxy (p.618):
*Age of stars: Young or old (pick 1) / Draw the Milky Way and label our Sun’s location (p. 619):
Type of galaxy?______*Age of stars: Young or old (pick 1)
The ______, ______, ______, ______and ______help to classify stars in their life cycles. (p.599)
What is the color of the (p.599 or p.604)
Hottest Star:
Coolest Star: / The ______of a star determines its life span and final outcome. High mass stars can result in a ______or ______. And low mass star’s “death” will eventually result in ______.(p 610)
Look at the H-R diagram answer these questions.
1. What is the temperature of Proxima Centauri?
______
2. What is the color of Rigel? ______
3. What type of star is Betelgeuse?______
4. Which star is brighter, Spica or Sirius?______
5. Our sun is located(along with most stars) in ______. /
What is the only source of light in outer space and the reason we can see the Moon and other planets? / The energy from the Sun and other stars, seen as visible light, is caused by ______reactions that occur deep inside the stars’ cores. Stars are composed of mostly ______, and a smaller amount of helium and other elements.(top of p.599)
Draw a lunar eclipse. (p.483) / Draw a solar eclipse. (p.482)
What is a light year? (p.602)
When is it used for measurement? (p.602) / Why is the distance of 1 AU significant? (p.543)
When is it used for measurement? (p.543)
Inner Planets
(p.552) / What is their composition?
What is their alternate name?
Their size compared to outer planets?
Outer Planets
(p.563) / What is their composition?
What is their alternate name?
Their size compared to inner planets?
Planetary Satellites (p.478 & 479)
And (p.490) / How many moons does Earth have?
1complete orbit of the Moon = ____ days
How does the moon compare to Earth?
Comets
(p.573) / What is their composition?
What object do they orbit?
Draw the shape of the orbit of a comet:
Asteroids
(p.574) / What is their composition?
Where are asteroids located?
What object do they orbit?
Forces
(p.474) / What force is responsible for the shape of the planets, stars, and rotation of the planets around the sun?
Combine the diagrams on p.553 and p.563 to show the relative size of the planets and their order from the sun. Label the location of the asteroid belt. (DRAW A COMBINATION OF THE 2 DIAGRAMS ON THE BACK OF THE PAPER.)