Space

What Exactly Is Planet X? Facts and Theories

Planet X is a hypothetical planet that is located about 400 astronomical units (AU) away.  It may take up to 20,000 Earth years to complete one full orbit around our Sun.  The planet has not yet been observed, but mathematical calculations suggest...

Different Types of Galaxies In The Universe

What exactly is a galaxy? In simple words, a galaxy is a system of stars, stellar remnants, and other celestial objects, bound together by gravitational force. Galaxies can differ in shape, size and each revolve around their center of mass. Our...

Things You Should Know About Space Junk

The world’s first human-made satellite, Sputnik-1, was launched by the Soviets in 1957. Since then, more than almost 9,000 satellites have been launched into space by nearly 40 different nations. For decades, government and private space...

What is Fermi Paradox? And Where Are the Aliens?

Do you believe in the existence of extraterrestrial beings? If you do, then you must be intrigued about their whereabouts and why we haven’t heard for them yet? It’s not just you, the question has troubled scientists and astrophysicists...

What Would Happen If Earth Loses The Moon Sooner?

According to the current planetary theory, the moon was created about 4.5 billion years ago after a massive collision between earth and a wandering celestial body, with a mass slightly less than that of Mars. The impact caused a chunk of debris to...

What Is The Mass Of Entire Milky Way Galaxy?

As per the latest measurement, our galaxy weighs in at approximately 1.5 trillion solar masses.  This means the Milky Way has a mass of 2.98 x 1042 kilograms. Astronomers used ESA’s Gaia and NASA’s Hubble observations to obtain this...

What Does Space Really Looks Like?

Today, no matter where you are, you can access a plethora of space images right at your desktop and smartphone. Those colorful images of gigantic galaxies, nebulas, and mesmerizing gas clouds never fail to dazzle us. But does space really look like...