Posts by 

Deborah Byrd

Hot Jupiters keep their stars young

A study of multiple hot Jupiters - using NASA’s Chandra X-ray Observatory - confirms that hot Jupiters do cause their stars to appear younger than they are.

New sun-hugging asteroids: ‘Biggest in 8 years’

Using a special camera, astronomers have found several new sun-hugging asteroids, including the biggest potentially hazardous asteroid in 8 years.

Perseus the Hero and a Demon Star

The star name Algol comes from the Arabic for "head of the demon." Come to know this star, and point it out to your friends this Halloween.

Super-fast jet blasts from neutron star collision

Astronomers discovered and measured a super-fast jet, thought to be the result of 2 neutron stars colliding. The jet is moving at 99.97% the speed of light!

Moon, Mars, Pleiades, more, on October 13 and 14

Moon, Mars, Pleiades ... and Aldebaran! Look for them all, overnight on October 13-14, and on October 14-15, 2022. Notice how bright Mars is now.

Juno flyby of Europa and a new, clear image

Images - including a detailed, closeup one released October 5, 2022 - from the September 29 Juno flyby of Europa, one of the moons of Jupiter.

Dino-killing asteroid caused global tsunami

The dino-killing asteroid of 66 million years ago created a global tsunami, with some 30,000 times the energy of the 2004 Indian Ocean tsunami.

Sputnik launched 65 years ago

The Soviet Union launched the Sputnik I satellite into Earth orbit on October 4, 1957. Sputnik’s unassuming beep ushered in the Space Age 65 years ago.

Hurricane Ian devastates Florida’s Gulf Coast

Hurricane Ian made landfall at Coya Costa, Florida, on the afternoon of September 28, 2022. Learn more about the storm, its intensity, and its destruction.

Earth in the cosmic shooting gallery

Earth in the cosmic shooting gallery: A dramatic animation showing some of the many thousands of asteroids orbiting the sun near Earth.

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