Show:
Structure of the Solar System
The Sun-Earth-Moon System
The planets and their moons
Asteroids, Comets, and Meteoroids
Planet
100
An imaginary line through the center of the planet.
What is axis of rotation?
100
Not consistent. Earth is closer to the Sun in January and farther away in July.
What is the distance between the Earth and Sun?
100
Mercury, Venus, Earth, and Mars.
What is the inner planets?
100
Rocky objects that are found between the orbits of Mars and Jupiter.
What is asteroids?
100
Has one large moon.
What is Earth
200
Planet that takes 17 hours to complete its period of rotation
What is Uranus?
200
Some people think this object hit Earth early in the solar system's formation.
What is a giant asteroid?
200
116,464 km in diameter.
What is Saturn?
200
A solid part that each comet has.
What is a nucleus?
200
A planet that has no moon.
What is Mercury?
300
Mar's orbit around the Sun that's an oval.
What is an ellipse?
300
4.5 billion years old.
What is the age of the moon?
300
A dwarf planet.
What is Pluto?
300
A loosely packed lump of icy material.
What is a comet's nucleus?
300
Has a thin atmosphere composed mostly of frozen CO2 and has two small moons.
What is Mars.
400
The time it takes for one rotation around its axis.
What is a period of rotation?
400
When a portion of the moon is shaded from direct sunlight.
What is a lunar eclipse?
400
467 degrees C.
What is the highest temperature of Mercury?
400
The streak of light produced by a meteoroid.
What is the term meteor refer to?
400
A planet has an atmosphere made up of hydrogen, helium, and methane.
What is Saturn?
500
149,600,000 km.
What is one astronomical unit equal to?
500
It keeps the moon in orbit around the Earth.
What is gravity?
500
Most of what we know about planets and moons come from these.
What is robotic spaceflight missions?
500
A spacecraft that launched a small probe on a collision course.
What is Deep Impact?
500
A large, gaseous planet with rings that vary thickness.
What is Neptune?