Black holes
What is a black hole?
A black hole is a place in space where gravity is so strong that nothing, not even light, can escape. Here's what that really means, in plain English.
Space, Simply
Mind-blowing space, explained in 3 minutes.
Black holes, exploding stars, planets made of diamonds — space is wilder than any film. Each post here explains one big idea in plain, everyday language. No science degree needed, no formulas, just a cup of chai and three minutes.
✦ Mind-blowing fact
A day on Venus is longer than its year.
Venus spins so slowly that one full turn takes about 243 Earth days. But it goes around the Sun in just 225 days, so a single day outlasts a whole year.
Source: NASA Science — Venus facts
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Space basics
What is a light-year?
A light-year sounds like time, but it's actually a distance: how far light travels in one year. Here's how big that really is.
Planets
Why is Mars red?
Mars looks red because its dust is full of rusty iron. Here's how a whole planet turned the colour of rust, explained simply.
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3-minute reads. One big idea per post, short enough for a chai break.
Trusted sources. Every fact is checked against NASA, ESA and ISRO.