News tagged with orbit

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What percent of Earth is water?

The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface. While water itself ...

Dec 02, 2014
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Earth's orbit around the sun

Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked tirelessly to understand the relationship in mathematical terms. If this ...

Nov 24, 2014
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NASA image: Saturn's upper cloud layers

(Phys.org) —What the viewer might perceive to be Saturn's surface is really just the tops of its uppermost cloud layers. Everything we see is the result of fluid dynamics. Astronomers study Saturn's cloud ...

Nov 18, 2014
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Galileo satellite set for new orbit

ESA's fifth Galileo navigation satellite, one of two left in the wrong orbit this summer, will make a series of manoeuvres this month as a prelude to its health being confirmed.

Nov 10, 2014
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Earth science on Mars

"All systems go!" I said cautiously with a long sigh of relief. I had approved plans for the first soil analysis that would give humankind clues to the past and future habitability of Mars.

Nov 06, 2014
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