Janets Planet Videos
Wait, the Earth revolves around the SUN? Yes, but before Galileo, no one believed that!
Meet Janet. She'll be your tourguide through this crazy universe of ours! Don't worry...there's no spacesuit required.
Gravity works in strange ways, and Janet begins to get to the bottom of it all.
Henry Cavendish was the first scientist to test gravity in the laboratory. Thanks to the "Cavendish Experiment," we know how much Earth weighs!
What effect does microgravity have on astronauts orbiting earth?
What does it feel like to float in outerspace? Astronauts experience microgravity by training in very special airplanes.
The apple never falls far from the tree...and that's how Isaac Newton discovered gravity!
Janet wraps it all up. What did you learn about microgravity?
Two of the key elements of physics, an object's weight and mass determine how it's affected by gravity.
How does gravity behave when we get down to the real nitty gritty?
It's a fair question, right? Would we be walking on ceilings? Or would our entire universe change?
Why aren't we floating right now? Gravity, of course! But it's not that simple...
So we know about GRAVITY, but what exactly is MICROGRAVITY?
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