News tagged with elliptical orbit

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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X-raying stellar winds in a high-speed collision

(Phys.org)—Two massive stars racing in orbit around each other have had their colliding stellar winds X-rayed for the first time, thanks to the combined efforts of ESA's XMM-Newton and NASA's Swift space ...

Oct 12, 2012
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Scientists discover ageing star destroys planet

(Phys.org)—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed ...

Sep 21, 2012
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