樱桃视频

August 14, 2018

Ghostly remains of a dead star revealed in infrared light

Red streaks of energized gas left over from an ancient stellar explosion branch across the cosmos in this spectacular new photo from NASA's Spitzer Space Telescope.

August 13, 2018

NASA spotted a vast, glowing 'hydrogen wall' at the edge of our solar system

There's a "hydrogen wall" at the edge of our solar system, and NASA scientists think their New Horizons spacecraft can see it.

August 7, 2018

'Extraordinary' waves from Jupiter's moon Ganymede spotted

Scientists have observed 鈥渆xtraordinary鈥� waves coming out of Jupiter鈥檚 moon Ganymede.

August 7, 2018

Incredible Hulk? Nah, this glowing, green light in the night sky is a comet

A gigantic, green-tinged comet is currently smashing its way through the night sky, leading some people to dub it the "Incredible Hulk comet." Tomorrow (Aug. 7), the celestial object will make its closest approach to Earth, according to Sky and Telescope magazine. This is likely the first time the comet has ever come into the inner solar system.

August 7, 2018

The universe is expanding. but astrophysicists aren't sure how fast.

Next time you eat a blueberry (or chocolate chip) muffin consider what happened to the blueberries in the batter as it was baked. The blueberries started off all squished together, but as the muffin expanded they started to move away from each other. If you could sit on one blueberry you would see all the others moving away from you, but the same would be true for any blueberry you chose. In this sense galaxies are a lot like blueberries.

August 7, 2018

The 2018 Perseid meteor shower promises spectacular views this week

The best meteor shower this year is here: The Perseids peak this weekend, promising dazzling views for skywatchers in dark areas.

August 3, 2018

This distant planet is one of the best places to search for alien life

WE have discovered 3663 (and counting) planets around distant stars. About 50 are in the 鈥楪oldilocks zone鈥� which supports liquid water. A new study has whittled the number believed habitable down to just three.

July 27, 2018

Complete lunar eclipse begins, the longest of this century

Skywatchers around much of the world have begun watching a complete lunar eclipse that is the longest of this century.

July 27, 2018

Longest total lunar eclipse of the century: What you need to know

The longest total lunar eclipse of the 21st century occurs on July 27 鈥� this is what you need to know.

July 27, 2018

Star zooms past monster black hole, confirms relativity

For the first time ever, researchers have watched a star race past the supermassive black hole at the heart of the Milky Way, verifying that its motion showed the effects of general relativity , as predicted by Albert Einstein.