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Astronomers observe an aura around Uranus

Earth has gorgeous auroras, visible from the poles, but not all planets are so lucky. Uranus does appear however, to be a planet that surprisingly has them. Last year, a team of scientists using the Hubble telescope to peer at the distance planet to measure any sort of lights just happened to catch the auroras at just the right time.

The international team’s research will be published today in the journal Geophysical Research Letters. Wanting to catch auroras on another planet took some planning, however, as auroras are caused by the interaction between charged particles from the sun and a planet’s magnetic field. The team first had to wait for a particular arrangement of planets meant that the solar wind from our star would have a clear shot at Uranus. Researchers then had to wait until the sun let loose a burst of charged particles, which happened in September of last year.

Once the burst was observed, the researchers figured that the particles would begin triggering aurorae on Uranus come November, and booked time on the Hubble. Their calculations proved correct, and on November the team spotted glowing dots in the thick atmosphere of the planet.

Observing aurora on Uranus wasn’t simply to say that it had been done. Uranus not only spins nearly on its side, the planet also has an off-kilter magnetic field. By observing how the magnetic field of Uranus functions with something we understand as well as aurora, the researchers hoped to learn much more about the magnetosphere of planets. Laurent Lamy, the lead researcher on the team, was quoted by the American Geophysical Union as saying:

“We have ideas of how things work on Earth and places like Jupiter and Saturn, but I don’t believe you really know how things work until you test them on a very different system.”


20 notes


  1. hewhomustnotbenmed reblogged this from centralscience
  2. pastellieria reblogged this from centralscience
  3. centralscience reblogged this from iheartchaos
  4. princeofclockwork reblogged this from radochka and added:
    Nope. I immediately though it was a joke article.
  5. radochka reblogged this from iheartchaos and added:
    Please tell me I am not the only one to laugh at that title..
  6. feazy305 reblogged this from iheartchaos
  7. neurogenesis reblogged this from iheartchaos and added:
    That’s what she said!
  8. megellen reblogged this from iheartchaos
  9. iheartchaos posted this

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