Gamma rays

Gamma-Ray Telescopes Can Measure the Diameters of Other Stars

Four gamma ray telescopes have used a new method of interferometry to measure the size of two stars.

2 years ago

Quasars are the Biggest Particle Accelerators in the Universe

We puny humans think we can accelerate particles? Look how proud we are of the Large Hadron Collider. But any…

2 years ago

Why Pulsars Are So Bright

When pulsars were first discovered in 1967, their rhythmic radio-wave pulsations were a mystery. Some thought their radio beams must…

2 years ago

Gamma Rays Detected Coming From the Crab Nebula

Most people with any interest in astronomy know about the Crab Nebula. It's a supernova remnant in the constellation Taurus,…

2 years ago

Halo Around a Pulsar could Explain Why We See Antimatter Coming from Space

Astronomers have been watching a nearby pulsar with a strange halo around it. That pulsar might answer a question that's…

2 years ago

Dark Matter Could Be A Source of Gamma Rays Coming from the Center of the Milky Way

There's a lot of mysterious goings-on at the center of the Milky Way. The supermassive black hole that resides there…

2 years ago

When it Comes to Gamma Radiation, the Moon is Actually Brighter Than the Sun

The eerie, hellish glow coming from the Moon may seem unreal in this image, since it's invisible to our eyes.…

3 years ago

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…

3 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…

4 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…

6 years ago