Cosmology Archives - Astronomy Explained

How big is a Neutron Star?

Can a tiny speck in space weigh more than a mountain? Neutron stars can. They are a cosmic mystery that […]

One thing that attracts people to the universe, planets, and what’s out there is the potential of finding ‘aliens.’ Everyone

Do you know that in addition to the galaxies or huge star clusters holding millions or billions of stars and

Do you know that the Milky Way galaxy has over hundreds of billion of stars? When you have this much

Did you know there are precisely 88 constellations in our night sky? Constellations that have shaped our stories, behaviors, legacies,

There are trillions of stars in the universe, shining for billions of years. Ever wondered about the first stars in

As a kid, I used to look at the stars at night and wonder about those little dots, the Moon,

Every night, when the massive Sun that lights the Earth goes down, a smaller and starry light comes up, the

What if we’re not alone in the universe? When you look at the dark sky every night, you’re not just

Ever thought about the oldest planet in the universe? The universe is 13.8 billion years old, so there should be