Home » News & Blogs » Awesome auroras spotted on Uranus ... and on Earth
Bookmark and Share
Cosmic Log

Awesome auroras spotted on Uranus ... and on Earth

14 Apr 2012, 00:40 UTC
Awesome auroras spotted on Uranus ... and on Earth
(200 words excerpt, click title or image to see full post)

Thanks to the Hubble Space Telescope, astronomers have caught a rare display of auroras on Uranus, which ranks among the solar system's oddest planets.
Unlike the beautiful, rippling curtains of greenish light we've been seeing in earthly skies over the past few months, the Urani …

Laurent LamyThese composite images show Uranian auroras as bright spots on the planet's disk on Nov 16, 2011 (left), and on Nov. 29 (right). The images from the Hubble Space Telescope have been processed to bring out details in Uranus' faint ring system.By Alan Boyle

Follow @b0yleThanks to the Hubble Space Telescope, astronomers have caught a rare display of auroras on Uranus, which ranks among the solar system's oddest planets.Unlike the beautiful, rippling curtains of greenish light we've been seeing in earthly skies over the past few months, the Uranian auroras are short-lived bright spots sitting on top of the ice giant's bluish cloud tops. But they're caused by a similar mechanism, involving the interaction of electrically charged particles with atoms and ions in the planet's upper atmosphere.
NASA's Voyager 2 probe picked up the first evidence of Uranus' auroras in 1986. "Since then, we've had no opportunities to get new observations ...

Note: All formatting and links have been removed - click title or image to see full article.

Comment on this Post

* :
* :
:
* :
:
* required

Latest Vodcast

Latest Podcast

Most Popular Video

Advertise PTTU

Extrasolar Planets

  • Planetary Systems: 1130
  • Multiple Planet Systems: 466
  • Planets: 1815
more

NASA POD

Astronomy POD

astronomy_pod