10 Amazing Facts You Didn't Know About Astronomy

BY Team Aakash Byju's

International Astronomy Day is celebrated on May 7th, every year.

It is a day when Astronomy enthusiasts share their knowledge of outer space with other professionals and the public.

Are you also one of the Astronomy enthusiasts? Then check out these 10 amazing facts you didn’t know about Astronomy.

Space is silent – There is no sound in space since it has no medium to travel.

The mass of the Sun takes up around 99.86% of the solar system.

Venus, the hottest planet, has an average surface temperature of around 450-degree Celsius.

Number of stars in  space – There are around 100 - 400 billion stars in our galaxy.

Uranus’ spinning looks like a rolling ball that is sideways around the Sun.

Around one million Earths can easily fit inside the Sun.

When the Sun sets, it appears blue from Mars, the red planet.

Venus rotates slowly compared to Earth, and it takes 243 Earth days to complete its one day.

Spacecrafts have been sent to all our planets and dwarf planets in the solar system.

Scientists believe that the smallest planet in our solar system, Mercury, is contracting.