gravity
Why Doesn’t The Sun Steal The Moon?
The Sun has so much more mass than the Earth. So, so, so much more mass. Almost everything in the…
- Astrobiology
- Astronomy
- Black Holes
- Sci-Fi
- Science
- Space Exploration
- Space Exploration Technologies
- Space Flight
Review: In “Interstellar,” Christopher Nolan Shows He Has The Right Stuff
Science fiction aficionados, take heed. The highly-anticipated movie Interstellar is sharp and gripping. Nolan and cast show in the end…
Could A Planet Be as Big as a Star?
How big do planets get? Can they get star sized? Everybody wants the biggest stuff. Soft drink sizes, SUV’s, baseball…
Gravity’s Magic: New Seafloor Map Shows Earth’s Uncharted Depths
Volcanoes! Seafloor spreading! Hidden ridges and mountains! These are the wonders being revealed in new maps of Earth's sea floor.…
What is Nothing?
Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the…
How Do The Tides Work?
Anyone who lives close to ocean is familiar with the tides. And you probably know they have something to do…
How Can We Clean Up That Space Junk?
We're total litterbugs. Here on Earth, and out in space. What are some strategies that have been developed to clean…
How Do Gravitational Slingshots Work?
Have you ever heard that spacecraft can speed themselves up by performing gravitational slingshot maneuvers? What's involved to get yourself…
Why Do People Go Crazy During a Full Moon?
Have you ever heard that people go crazy during a full Moon? What's going on to cause all this lunacy?…
Why is the Moon Leaving Us?
Goodbye Moon. Every year, the Moon slips a few centimeters away from us, slowing down our day. Why is the…