Space is a scary place. There’s so much of it that we haven’t discovered, and many elements present a real threat to human life here on earth. How do we stay safe from the threat? Our planet does a pretty good job at protecting us. Have you ever wondered how the earth protects us from …
Are spaceships called ships because they are floating, or steering through space? Or are they named after their shape? Are they referred to as ‘spaceships’ in the modern world anyway, or is it more a term for science fiction? Read on to find out more about the etymology behind this and what we can learn …
Look up into the night sky, and you’d be forgiven for thinking that there isn’t much there. With light-years between stars and even more distance between galaxies, space seems to be, for the most part, nothing but empty space. It’s true that in those big gaps between galaxies, there isn’t always a lot going on. …
The interactions of distant galaxies are fascinating to observe, especially as a massive collision between two galaxies can result in a process known as galactic cannibalism. But while galactic cannibalism may sound like a scary and far-out notion from science fiction, it’s a very real process. And one that might soon occur in some nearby …
These giant balls of gas in space are called stars. Their light shines brightly, and they give off heat. In space, these stars are very far away from each other. They are millions or billions of miles apart. Stars come in different sizes. Some are bigger than our sun. Others are smaller. All stars shine …
Artists, poets, and philosophers have admired and pondered about the color of the sky for centuries. Every day, we wake and look out of the window to assess the color above us. Clear blue skies make for dreamy summer’s days, gray skies in fall, and white skies in winter. We are even delighted by the …
Outer space is most commonly described as cold, dark, and endless, but have you ever wondered why it is so cold when the sun is so hot? Surely, with a huge ball of fire burning bright, space ought to be hotter than the Sahara on a summer’s day! The sun is 150 kilometers away from …
According to the General Theory of Relativity, far regions of space might never interact with ours even during the lifetime of the Universe. Radio messages sent from Earth may not reach some regions of space even if the Universe existed forever. Space may expand faster than light could travel across it. The proper distance between …
How Big is the Universe | Size, Why So Big, Infinite & Facts Read More »
There are many mysteries surrounding the study of space. Dark matter is one of them, no one has ever actually seen it, so how do we know if it’s even real? There is more unknown than is known about dark matter, so it remains a huge mystery to scientists. The mystery leaves many of us …
Space is one of the universe’s great unknowns. There’s so much that we don’t know about space, and much of its vastness remains a mystery to us. With trillions of stars, planets, and galaxies in the universe, it’s hard to comprehend what exactly space is made of. What things make up our universe? What matter, …
