-
define: celestial object
all objects that exist in space, or outside the earth’s atmosphere
-
Stars are collections of (blank) that emit (blank)
Stars are collections of (gas) that emit (lots of energy)
-
Stars are luminous. They (blank).
Stars are luminous. They (make their own light)
-
Planets are different from stars because:
Not luminous, reflect light from stars, round celestial objects that orbit around stars
-
Inner Planets are also known as (blank) and the planets are:
- (Terrestrial Planets)
- Mercury, Venus, Earth, Mars
-
Outer Planets are also known as (blank) and the planets are:
- (Gas Giants)
- Jupiter, Saturn, Uranus, Neptune
-
3 criteria that make a planet:
- 1. orbit around a star
- 2. stable sphere shape due to own gravity
- 3.Largest object in orbit
-
What are satellites?
travel around planets (can be dwarf) in closed path (also known as moons)
-
What is the "Habitable Zone"?
can house water (not too hot/cold)
-
5 types of galaxies:
- 1. Elliptical (older stars, little gas/dust)
- 2. Spiral (older stars in the middle, spiral arms have new stars/gas)
- 3. Barred Spiral (bar pattern instead of circle in middle)
- 4. Lenticular (bar pattern without arms)
- 5. Irregular (no defined shape)
-
what galaxy do we live in?
Milky Way (barred spiral)
|
|
