Any of the nine primary bodies that orbit the sun; a similar body that orbits another star
What is Planet?
100
One of the highly dense planets nearest to the sun; Mercury, Venus, Earth, and Mars.
What is terrestrial planet?
100
A large cloud of dust and gas in interstellar space; a region in space where stars are born or where stars are born or where stars explode at the end of their lives.
What is nebula?
100
The moon has phases because it orbits...
What is Earth?
100
The largest planet in the solar system.
What is Jupiter?
200
The sun and all of the planets and other bodies that travel around it
What is Solar System?
200
The portion Earth that is water.
What is hydrosphere?
200
A model for the formation of the solar system in which the sun and planets condense from a cloud (or nebula) of gas and dust.
What is nebular model?
200
Eclipses occur when...
Earth, the moon, and the sun line up.
200
All the gas giant planets have____and_____.
What is rings and satellites.
300
A natural or artificial body that revolves around a planet
What is satellite?
300
A small, rocky object that orbits the sun, usually in a band between the orbits of Jupiter and Mars.
What is asteroid?
300
The accumulation of matter.
What is accretion?
300
The moon affects Earth's...
What is tides?
300
From what the moon came from.
What is Earth?
400
The change in the illuminated area of one celestial body as seen from another celestial body
What is a phase?
400
A planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune.
What is gas giant?
400
a small body of ice, rock, and cosmic dust loosely packed together that follows an elliptical orbit and that gives off gas and dust in the form of a tail as it passes close to the sun.
What is comet?
400
Phases of the moon are not caused by Earth's...
What is shadow?
400
The first model of the solar system put____in the center.
What is the center?
500
An event in which the shadow of one celestial body fall on another
What is eclipse?
500
Divides the inner and outer planets.
What is asteroid belt?
500
Three major types of meteorites.
What is Stony, Metallic, and Stony-iron?
500
The atmosphere protects from...
What is radiation?
500
The scientist who proposed a heliocentric or sun-centered model of the solar system in 1543.