sábado, 14 de abril de 2012

Auroras Seen on Uranus For First Time

Two fleeting, Earth-size auroral storms were imaged by the Hubble Space Telescope as they flared up on the dayside of the gas giant in November 2011.
"The last time we had any definite signals of auroral activity on Uranus was when NASA's Voyager 2 probe swung by in 1986," said study leader Laurent Lamy, an astronomer at the Observatoire de Paris in Meudon, France. "But this is the first time we can actually see these emissions light up with an Earth-based telescope." Read more.

Sem comentários: