Interesting facts about stars

We belong to a galaxy ( cluster of stars)  namely milky way which is merry-go-round shape.

All stars are basically fire balls which is made of gases that produce both light and heat.This is because of the nuclear energy. The same energy which is used to produce electricity.

The star is born from dust and hydrogen.  Which spins and become the hot glowing prostar( beginning stage of star) . Then the prostar starts growing nad it glows for millions of year and becomes a red gaint. Then it begins to die.

Iron is produced due to heat inside the star and it acts like a sponge and soaks up the star’s energy which causes the huge explosion called as supernova.

Did you know : Our sun is the youngest star. The next star nearest to our earth other than sun is proxima centauri which is 1.3 billion KM away from earth.

Did you know : Still our peoples make drawings by connecting the stars at the night. And many astronauts follow this specific shaped star clusters for direction identification.:

Interesting Facts about Gravity

For a long time you cant keep your arms raised up. After sometime it begins to hurt. This is because of the gravitational pull of the earth. This is also sad to be invisible magnet

Even Sun and moon have gravity. Every bodies in the universe has gravity . Only they are distinguished by there amount of gravity

Did you know? :  The moon revolves around the earth. This is because of gravity of the earth and tides occurs in sea which is because of moons gravity pull on earth

Example : The ball point pen cant be used  upwards to write because of gravity which pulls the ink to the other side of the nib

Interesting facts about astronomy

There are peoples who look up the sky every time and analyze it even at nights. These peoples are called as astronomers. This study of astronomy is called as astronauts.

These astronomers study the space looking for stars, planets, comets etc

And some of them keep watching the space faraway using telescope which is available in both handy size and also in the size of bus, and some of them being laboratories, analyze the rocks (meteorites) and sample which they have brought from moon and other planets.

Some of them do this as a hobby and they are called as armature astronomers

Did you know: “it will take 5 hours for a beam of light to reach the farthest planet Pluto “and imagine you all know the speed of light ?..its 299 792 458 m / s..!!!!!!!!

The word astronomy is derived from geek (Which means star or arrangements)