Planets
How many planets are in our solar system?
How many days does it take for Earth to revolve around the sun?
365 days
What feature separates the inner and outer planets in our solar system?
The asteroid belt separates the inner and outer planets.
Our galaxy is known as the ____________________.
Milky Way
What is a constellation?
A constellation is a group of stars that seem to form a picture.
Mercury's surface is covered with these:
Craters
Name the planet best known for its rings.
Saturn
The _________ is the star at the center of our solar system.
Sun
Spiral, elliptical, irregular
The path an object takes around another object is called its ___________________.
orbit
Juperter has a great red spot which scientists believe is actually what?
Scientists believe this red spot is a storm.
Name the planet known as "Earth's Twin".
Venus
Name one of the dwarf planets.
Pluto or Eris
All four of the gas giants in our solar system have ________________, though they are not visible in many images.
__________________ is the scientific study of outer space.
Astronomy
The outer planets are also known as ______________.
Gas giants
Which planet was named after a Roman god?
Mars
Name the four inner or "terrestrial" planets.
Mercury, Venus, Earth, Mars
Name the two planets that have not moons:
Mercury and Venus
Craters are the result of ____________ hitting a surface.
Name the planets in order from the sun:
Mercury, Venus, Earth, Mars, Jupiter, Saturn Urnaus, Neptune
Which of the 8 planets is the largest?
Jupiter
What are the five classifications of a planet?
1. A planet is a sphere
2. A planet travels in an orbit
3. A planet has cleared out most other objects from its path.
4. A planet is mostly made of rock or gas.
5. A planet does not make it's own light.
Name the planet that rotates on its side.
Uranus
Long ago, Aristotle believed that the sun and all the planets orbited around the ______________.
Earth