Gamma rays

Gamma Ray Telescopes could Detect Starships Powered by Black Hole

A new study has proposed ways to search for advanced alien life by looking for the gamma rays produced by…

2 years ago

Every Time Lightning Strikes, Matter-Antimatter Annihilation Happens too

A new study from a team of Japanese researchers has shown that matter-antimatter annihilations happen as a result of lightning…

3 years ago

A New Prototype Telescope Proves Itself Worthy

The ASTRI telescope - a prototype for a new type of gamma-ray telescope located on Mount Etna, Siciliy - just…

4 years ago

Moonlight Is a Many-Splendored Thing

"By the Light of the Silvery Moon" goes the song. But the color and appearance of the Moon depends upon the particular set…

6 years ago

Where Have All the Pulsars Gone? The Mystery at the Center of Our Galaxy

The galactic center is a happening place, with lots of gas, dust, stars, and surprising binary stars orbiting a supermassive black…

6 years ago

Radio Telescopes Help Astronomers Tune In To Nova Generated Gamma Rays

Over two years ago, the Fermi-LAT Collaboration observed an "ear and eye opening" event - the exact location where a…

6 years ago

Surprise! Classical Novae Produce Gamma Rays

In a classical nova, a white dwarf siphons material off a companion star, building up a layer on its surface…

6 years ago

Observing Alert: Distant Blazar 3C 454.3 in Outburst, Visible in Amateur Telescopes

Have an 8-inch or larger telescope? Don't mind staying up late? Excellent. Here's a chance to stare deeper into the…

6 years ago

Weekly Space Hangout – January 10, 2014: Wake Up, Rosetta! & Top Stories from AAS

Host: Fraser Cain Guests: David Dickinson, Amy Shira Teitel, Scott Lewis, Brian Koberlein, special guest Ruth McAvinia from the ESA…

7 years ago

Navy Researchers Put Dark Lightning to the SWORD

Discovered "by accident" by NASA's Fermi Gamma-ray Space Telescope in 2010, dark lightning is a surprisingly powerful -- yet invisible…

7 years ago