All Items Tagged

“Sun”

Jul 30, 2015 04:38 PM ET // Ian O'Neill
As Comet 67P/Churyumov-Gerasimenko approaches perihelion, the sun is heating up its nucleus and the solar wind is causing its tail to evolve. And the Rosetta mission has a ringside seat.
Jul 20, 2015 05:30 PM ET // Ian O'Neill
Not only has NASA’s New Horizons mission confirmed that Pluto has an extended atmosphere, after its historic flyby on July 14, the spacecraft observed a “cavity” in the solar wind, revealing a long plasma tail reminiscent of a comet’s ion tail.
Jul 13, 2015 02:24 PM ET // Ian O'Neill
Pluto may be, on average, 40 times further away from the sun than Earth, but that doesn't mean it doesn't experience the sun's outbursts.
Jun 23, 2015 02:08 PM ET // Sarah Lewin, Space.com
Brilliant streaks of green, purple and pink lit up skies across Canada and many northern U.S. states on Monday night.
Jun 16, 2015 05:56 PM ET // Ian O'Neill
Armed with a NASA online app and a little imagination, you can see for yourself how bright noon on Pluto actually is.
Jun 5, 2015 07:19 PM ET // Irene Klotz
It’s been a bumpy ride for a prototype solar sail spacecraft, which was put into orbit two weeks ago by the Atlas 5 rocket that carried the Air Force’s X-37B robotic space plane.
Jun 4, 2015 04:53 PM ET // Ian O'Neill
The Earth and Mars will be on opposite sides of the sun this month, meaning we'll lose contact with our beloved Mars rovers and orbiters.
May 22, 2015 08:43 AM ET // AFP
A rainbow-like halo surrounded the sun over Mexico City on Thursday, an optical phenomenon that triggered a social media frenzy.
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