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When an Asteroid Gets Close to Earth, we get a Rare Opportunity to Learn What it’s Made of
Gravity calculations can provide plenty of insight into a variety of phenomena. Everything from Einstein rings to the rocket equation…
1 year ago
Rosetta’s Philae Lander Was Alive on the Surface of 67P for 63 Hours, Trying to Communicate
In August 2014, the ESA's Rosetta spacecraft arrived at its destination, Comet 67P/Churyumov-Gerasimenko, after a 10 year journey. Rosetta carried…
4 years ago
How Do We Terraform Saturn’s Moons?
Within the Saturn system, there are many moons which could present the opportunity terraforming. But to do so presents many…
8 years ago
Saturn’s Rings Continue to Surprise Scientists
If you try to apply simple common sense to how Saturn's rings really work you're going to be sorely mistaken:…
8 years ago
How Massive Can Black Holes Get?
We talk about stellar mass and supermassive black holes. What are the limits? How massive can these things get? Without…
9 years ago