News tagged with nasa

What is a Wolf-Rayet star?

Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at least 20 times more massive than the Sun, "live fast and die hard", according to NASA.

dateFeb 06, 2015 in Astronomy
shares81 comments 0

What was the impact that killed the dinosaurs?

What suddenly made the dinosaurs disappear 65 million or 66 million years ago? Whatever it was, all indications show that it was a massive extinction event. The fossil record not only shows dinosaurs disappearing, ...

dateFeb 04, 2015 in Earth Sciences
shares22 comments 3

Ten interesting facts about asteroids

At first glance, looking at a bunch of space rocks doesn't sound that exciting. Like, aren't they just a bunch of rubble? What use can they be in understanding the Solar System compared to looking at planets ...

dateFeb 03, 2015 in Space Exploration
shares49 comments 2

NOAA's DSCOVR going to a 'far out' orbit

Many satellites that monitor the Earth orbit relatively close to the planet, while some satellites that monitor the sun orbit our star. DSCOVR will keep an eye on both, with a focus on the sun. To cover both ...

dateJan 26, 2015 in Space Exploration
shares18 comments 2