Thursday, January 26, 2012

Beautiful Sunrise on Mars

Sunset on Mars

On May 19, 2005, NASA's Mars Exploration Rover Spirit captured this stunning view as the Sun sank below the rim of Gusev crater on Mars. This Panoramic Camera mosaic was taken around 6:07 in the evening of the rover's 489th Martian day, or sol.

Sunset and twilight images are occasionally acquired by the science team to determine how high into the atmosphere the Martian dust extends, and to look for dust or ice clouds. Other images have shown that the twilight glow remains visible, but increasingly fainter, for up to two hours before sunrise or after sunset. The long Martian twilight (compared to Earth's) is caused by sunlight scattered around to the night side of the planet by abundant high altitude dust. Similar long twilights or extra-colorful sunrises and sunsets sometimes occur on Earth when tiny dust grains that are erupted from powerful volcanoes scatter light high in the atmosphere.

Image Credit: NASA/JPL/Texas A&M/Cornell
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original shared this picture from Luis Carvalho G+


Walking in the Air, performed by Jackie Evancho, with beautiful NASA video

The crew of the International Space Station produced some amazingly beautiful time-lapse video of the Earth. NASA produced a video of this set to the music of Howard Blake's "Walking in the Air", as sung by Peter Auty. I have re-done the video to Jackie Evancho's recording of the song. I hope you all like the result.
credit - Walking in the air - Jackie Evancho & NASA

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