Category: asteroids

What will happen if you travel at light speed? [Interlude]

What will happen if you travel at light speed? [Interlude]

Going at light speed is impossible. Speed is thrilling to human beings – there’s no denying. This has been the case ever since the wheel was invented and speed was no longer determined by the strength...

The Little Dipper: Host of the North Star

The Little Dipper: Host of the North Star

Ursa Minor, though, is almost entirely represented by the Little Dipper. The handle forms the Little Bear’s tail, and the dipper’s cup forms its flank. The most famous star in the Little Dipper is Polaris,...

The (Cosmological) Axis of Evil

The (Cosmological) Axis of Evil

We orbit a typical star, in a typical spiral galaxy, in a typical branch of a typical supercluster. Our planet and its evolutionary leap to intelligent beings could’ve occurred in any old spot around...

Chinese Experiment Reaches Space Station in Historic First

Chinese Experiment Reaches Space Station in Historic First

A Chinese experiment is now on the International Space Station (ISS), having reached the orbiting lab Monday (June 5) aboard a SpaceX Dragon cargo spacecraft. The experiment will be installed on the U.S. side of...

How Do Scientists ‘Weigh’ Stars?

How Do Scientists ‘Weigh’ Stars?

Stars are enormous balls of hot gas located many trillions of miles away, but when they’re observed from the Earth, they appear as tiny shining dots visible in the night sky. In a new...

Stephen Hawking: Earth Could Turn Into Hothouse Planet Like Venus

Stephen Hawking: Earth Could Turn Into Hothouse Planet Like Venus

Earth could turn into a hothouse planet like Venus, with boiling oceans and acid rain, if humans don’t curb irreversible climate change, physicist Stephen Hawking claimed in a recent interview. But most climate experts...

Ancient Mars Lake Had Multiple Environments That Might Have Supported Life

Ancient Mars Lake Had Multiple Environments That Might Have Supported Life

The lake that once filled much of Mars’ huge Gale Crater featured multiple potentially habitable environments segregated by depth, as some water bodies here on Earth do, a new study based on observations by...

How Cassini Managed to Live Such a Long and Useful Life at Saturn

How Cassini Managed to Live Such a Long and Useful Life at Saturn

Mission scientists gathered at NASA’s Jet Propulsion Laboratory (JPL) on Sept. 15 to say goodbye to the probe and watch its final plunge. JPL was the lead institute on designing and building Cassini, and the probe...

2 Monster Black Holes Spotted at Galaxy’s Heart

2 Monster Black Holes Spotted at Galaxy’s Heart

These two supermassive black holes are separated by less than 1 light-year and together harbor about 40 million times the mass of the sun, researchers said. If it holds up, the find would be just the...