Which one of the following is made of hot,burning gases?
Planet
Meteor
Star
Comet
Which is the center of the solar system?
Sky
Sun
Earth
Which is the closest star to Earth?
Nebula
Neptune
Mars
What are made of solid materials?
Stars
Planets
Comets
The Sun is also a
Galaxy
Satellite
Which planet besides the Earth has evidence of erosion by running water?
Uranus
Mercury
Venus
Which is the only natural satellite of the Earth?
Moon
The atmosphere of Jupiter and Saturn primarily composed of these elements
Nitrogen and Chlorine
Nitrogen and oxygen
Nitrogen and Hydrogen
Hydrogen and Helium
Millions of stars together form a group called
Universe
System
Which planet is known as the Earth's twin?
