Test: Sky Above Us - 1 - Class 1 MCQ

We can see clouds in the afternoon. But Sometimes we see stars in the sky during the day.

Stars can be seen in the sky at night.

We get heat and light from the Sun.

The Sun gives us heat and light energy.

The celestial bodies revolving around the Sun or any other star are called planets. According to the International Astronomical Union, there are eight planets in our solar system - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Apart from these, there are three more dwarf planets - Siris, Pluto and Eris.

It takes the Earth 1 year to orbit the Sun

The moon is a satellite because it orbits Earth. Usually, the word "satellite" refers to a machine that is launched into space and moves around Earth or another body in space. Earth and the moon are examples of natural satellites. Thousands of artificial, or man-made, satellites orbit Earth.

The Moon is constantly traveling around the Earth. It makes a complete orbit of the Earth every 27.3 days. This is because the Earth is moving around the Sun, so the Moon has to rotate a little bit more to get back in the same position.

Earth's Moon is the fifth largest of the 200+ moons orbiting planets in our solar system. Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.

Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life.