1.Any free-moving liquid in outer space will form itself into a sphere, because of its surface tension.
2.Mercury, Venus, earth and Mars are called the inner planets as they are closest to the sun!
3.If you shouted in space even if someone was right next to you they wouldn't be able to hear you.
4.One Day on the planet Pluto is about the length of a week on Earth.
5.The first man-made satellite in space was called sputnik.
7.The space age began on the 4th October 1957.
8.A day in Mercury lasts approximately as long as 59 days on earth.
9.The stars in each constellation are named after a Greek alphabet.
10.Earth’s atmosphere is the only atmosphere discovered till date that human can breathe in.
11. Earth’s atmosphere was formed from gases pouring out from volcanoes.
12.Jupiter has no surface for a spacecraft to land on because it is made mostly from helium gas and hydrogen.
The massive pull of Jupiter’s gravity squeezes the hydrogen so hard that it is liquid.