StarDate

Apep


Listen Later

Apep was one of the nastier gods of ancient Egypt. He was the god of chaos — a huge snake that lurked in the underworld, fighting the Sun god Re every night.

And he’s the namesake of a star system that could have a nasty future. One of its stars could produce a blowtorch that could destroy any life within hundreds or thousands of light-years.

Officially, the system is known by a catalog number. But in a picture obtained last year, it looks a bit like a coiled snake — a form that helped inspire the nickname.

Apep is about 8,000 light-years away. It consists of three stars. Two of them form a tight pair. The third is well away from them.

The members of the pair probably are Wolf-Rayet stars. These are massive stars that are near the ends of their lives. They’re extremely hot and bright. And they die in violent explosions.

Some of the explosions produce outbursts of gamma rays, the most powerful form of energy. In a few seconds, such an outburst releases more energy than the Sun will produce in its entire lifetime. The beam of gamma rays could incinerate anything close to the star, and severely damage planets at much greater range.

One of the Wolf-Rayet stars is spinning so fast that it’s almost whirling itself apart. It’s producing a “wind” of gas that’s blowing at more than seven million miles per hour. The rotating stream of gas collides with a slower stream from its companion. That produces the coiled-snake appearance — the spooky look of Apep.


Script by Damond Benningfield

...more
View all episodesView all episodes
Download on the App Store

StarDateBy Billy Henry

  • 4.6
  • 4.6
  • 4.6
  • 4.6
  • 4.6

4.6

251 ratings


More shows like StarDate

View all
Science Friday by Science Friday and WNYC Studios

Science Friday

6,133 Listeners

BirdNote Daily by BirdNote

BirdNote Daily

1,190 Listeners

Planetary Radio: Space Exploration, Astronomy and Science by The Planetary Society

Planetary Radio: Space Exploration, Astronomy and Science

1,345 Listeners

Radiolab by WNYC Studios

Radiolab

43,967 Listeners

Astronomy Cast by Fraser Cain and Dr. Pamela Gay

Astronomy Cast

2,866 Listeners

The 365 Days of Astronomy by 365DaysOfAstronomy.org

The 365 Days of Astronomy

336 Listeners

Universe Today Podcast by Fraser Cain

Universe Today Podcast

544 Listeners

Ask a Spaceman! by Paul M. Sutter

Ask a Spaceman!

804 Listeners

Space Nuts: Astronomy Insights & Cosmic Discoveries by Professor Fred Watson and Andrew Dunkley

Space Nuts: Astronomy Insights & Cosmic Discoveries

221 Listeners

SpaceTime: Your Guide to Space & Astronomy by Stuart Gary

SpaceTime: Your Guide to Space & Astronomy

320 Listeners

Short Wave by NPR

Short Wave

6,271 Listeners

The Supermassive Podcast by The Royal Astronomical Society

The Supermassive Podcast

287 Listeners

NASA's Curious Universe by National Aeronautics and Space Administration (NASA)

NASA's Curious Universe

851 Listeners

Why This Universe? by Dan Hooper, Shalma Wegsman

Why This Universe?

363 Listeners

Crash Course Pods: The Universe by Crash Course Pods, Complexly

Crash Course Pods: The Universe

505 Listeners