What divides the solar system into inner and outer planets?

What is it called when a meteor enters Earth's atmosphere and burns up?

object in space made up of gases such as hydrogen and helium that produce light and heat

a body or object in space that revolves around a star and has a spherical shape

the sun with all the planets and other bodies that revolve around it

a cluster of stars, dust and gases that are held together with gravity

an object that revolves around a planet and reflects light from the sun

all of space and everything in it including the solar system, stars, planets, moons, etc.

What is space exploration?

the first satellite successfully launched into space and would orbit the earth

What's the name of the mission that allowed the first landing and walk on the moon?

an artificial satellite, launched on November 20, 1998, on which astronauts can stay and visit. It is used for research and space exploration

an unmanned spacecraft, launched in 2004 that successfully completed an orbit of Mercury on March 17, 2011

What is this?

What is this?

Solar System?

Solar System?