Space Explained Simply
Astronomy, planets, stars, and the universe
27 explanations
Why can't we breathe in space?
Imagine you're trying to blow up a balloon. You need air inside to make it big and round, right? Our bodies need air...
Why is Pluto not a planet anymore?
Imagine our Solar System is like a playground. We have the big kids (the planets ) who are strong and clear the way for...
What is Starlink?
Imagine the internet is like water. Usually, water comes to your house through pipes in the ground. That's like regular...
Why does the moon change shape?
Imagine you're playing hide-and-seek with a ball (that's our Moon!). Your friend has a flashlight (that's our Sun!)...
were the moon landings real
Imagine you're playing with your toys. You tell your friend you flew your toy rocket to the moon. Your friend might...
What is orbit?
Imagine you're swirling a ball tied to a string around your head. That ball is like a planet, and your head is like a...
What is geostationary orbit?
Imagine you have a toy car that you want to stay right above your house, always. That's kind of what a geostationary...
How does GPS use satellites?
Imagine you're playing hide-and-seek, but instead of people hiding, it's you. And instead of your friends finding you...
How does satellite TV work?
Imagine you're playing catch, but instead of throwing the ball to your friend directly, you throw it really high to a...
how a rocket ship works
A rocket ship works by shooting hot gas out the back very fast, which pushes the rocket forward just like when you let...
How do Starlink satellites talk to each other?
Imagine you and your friends are playing a game of telephone across a really, REALLY big field. You can't shout loud...
How big is the universe?
Imagine you have a balloon and you draw dots on it. Each dot is a galaxy, like our Milky Way, which has lots and lots...
How does the sun produce energy?
Imagine the sun as a giant, super-heavy ball way, way out in space. This ball is made mostly of a gas called hydrogen...
What is a comet?
A comet is like a dirty snowball flying through space. Imagine you're making a snowball, but instead of just snow, you...
How do satellite emergency SOS features work
Imagine you're lost in the woods and your phone has no signal; a satellite emergency SOS feature is like having a...
How do sun and wind make energy?
The sun and wind help us make electricity, which we use to power our homes and toys. Imagine the sun is like a giant...
What are rising and moon signs?
Your rising sign is like your first impression, and your moon sign is like your hidden feelings. Imagine you're like a...
How do satellites stay in space?
Imagine you're throwing a ball really, really hard. Gravity is like an invisible string pulling the ball back down to...
Could humans live on Mars?
Imagine our Earth, where you can breathe fresh air and play outside easily. Now, imagine Mars, a faraway planet. Can we...
How far away is the nearest star?
Imagine you're throwing a ball really, really far. Space is HUGE, much bigger than any park or even the whole Earth...