What movement creates our Day and Night cycle?
Rotation
How many Stars do we have in our Solar System?
1
What are stars composed of?
Gasses ( Hydrogen and Helium)
What do we call large chunks or metal and rock floating in space.
Asteriods
What % of Earth experiences night at one time.
50% or 1/2
How long does Earth take to make one full rotation?
24 hours
Name all the Terrestrial planets.
Mercury
Venus
Earth
Mars
How big is our Sun?
Medium or Average size
Scientific tool that magnifies tars and other celestial bodies.
Telescope
Why does our sun appear so big compared to all of the other stars in our Galaxy.
The Sun is much closer to Earth.
The moon _______ around planet Earth. (fill in blank)
Revolves / Revolution
What causes Earth to have our seasons?
The Revolution around the Sun and the Axial Tilt.
List all the layers of the Sun in order from inside to out.
Core
Radiation Zone
Convection Zone
Photosphere
Corona
What do we call chunks of gas and ice floating through space. Sometimes they show a visible tail or Coma.
Comet
What keep the Planets in orbit around the sun?
Gravitational Pull
How long does it take Earth to make one complete Revolution?
365.25 days
One year on Jupiter is 4,333 days long yet mercury only takes 88 days. Why do planets have different length years?
The distance from the sun. Farther away means longer years.
Solar Prominence
Sometimes small pieces of rock enter the Earths atmosphere, what do we call those pieces.
Meteor
What is the tilt of Earth on it's Axis?
23.5 *
One year on earth is defined by?
The time needed for Earth to revolve around the Sun.
Name THREE differences between the Terrestrial and Gas Giants.
- GG and larger
-Terr has solid surfaces
-GG more moons
-GG have rings
-Terr before asteroid belt
-GG have stronger Grav Pull
Many more....
Lists all the stages of the life cycle of a star.
Nebula
Protostar
Main sequence
Expanding star
Red Giant
Planetary Nebula
White Dwarf
What do we call a Robtic Vehicle that explores deep space.
Space Probe
What is the name of our galaxy (milky way) plus the other 1,000 galaxies in our area called.
Local Group