astronomy

There are so many man-made satellites out there, it’s around 2666 satellites (UCS, 1 Apr ’20). But have you ever wondered how high are satellites?

Have you ever observed the NEOWISE comet or another comet? If you notice, the comet’s tail always leads away from the sun. But why?

The asteroid belt is one of the most attractive regions in our solar system. This asteroid belt stretches quite wide from Mars orbit to Jupiter. Let’s discuss starting from the definiton. Definition of Asteroid Belt In our solar system, there are actually two asteroid belts, the main asteroid belt and the Kuiper belt. The main … Read more

The stars are very bright, but do you know what is the brightest object in the universe? The answer is Quasar and Blazar. Here’s the explanation!

The night sky in science fiction often looks beautiful. Lots of cosmic nebulae and dust scattered in the sky. But the reality is not that beautiful.

The stars are amazing and beautiful to look at. But they also have color limitations. Here, we will explain why there’s no such green and purple stars.

A solar eclipse is an event that occurs when the position of the moon is right between the sun and the earth and makes the sun looks covered by the moon.

A ‘laser’ weapon with energy equivalent to billions of stars. Maybe that’s the most appropriate parable for GRB (Gamma Ray Bursts).