Explainer Astronomy
When Will Saturn’s Rings Disappear?
Saturn’s rings are the most complex and enormous ring system of any planet in the solar system. It consists of countless icy particles ranging in size from tiny grains to…
Browse the archive
Category: Space
Explainer Physics
Could a Black Hole Destroy Earth?
Black holes are regions where gravity is so strong that nothing, not even light, can escape them. They are formed from the remnants of massive stars that have collapsed under…
Explainer Space
How Many Light Years Away is the Andromeda Galaxy?
The Andromeda Galaxy is also known as Messier 31, M31, or NGC 224. It is a spiral galaxy in the constellation of Andromeda. It is the closest spiral galaxy to…
Explainer Physics
How strong is gravity on the Moon? Value, formula and Earth comparison
Yes, the Moon has gravity: its average surface gravity is about 1.62 metres per second squared (m/s²), or 16.5% of Earth’s. That is close to one-sixth of Earth’s standard 9.81…
Explainer Astronomy
How Many Earths Would Fit in the Sun? Earth Size Compared to Sun
The Sun is a blazing celestial giant, which captivates our cosmic curiosity. The Sun is our solar system’s central star. Through the process of nuclear fusion, it transforms hydrogen into…
Explainer Space
The Dark Matter Mystery Deepens: New Findings That Challenge Our Understanding of the Universe
Ever feel like the more you learn, the less you know? That’s pretty much how astronomers and physicists are feeling about dark matter right now. This mysterious substance makes up…
Explainer Space
Alien Life Closer Than We Think? New Evidence from Beneath the Ice of Europa
The search for alien life has always sparked our collective imagination, conjuring images of distant galaxies and extraterrestrial civilizations. But what if the discovery of life beyond Earth is closer…
Explainer Space
The Race to Mars: How the Red Planet Could Become Humanity’s Second Home
The dream of setting foot on Mars has transitioned from the pages of science fiction novels into tangible goals set by space agencies and private companies around the globe. With…
Explainer Space
How strong is gravity on Mars? About 38% of Earth’s gravity
Gravity on Mars is about 3.7 metres per second squared (m/s²), or 38% of Earth’s 9.8 m/s², so gravity is weaker on Mars than on Earth, not stronger. Something that…