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When's the next 'parade of planets'? The past, present and future of planetary alignments
Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...
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Large alien planets may be born in chaos, NASA's retired exoplanet-hunter finds
"There really is something very different about how these giant planets form versus how small planets like Earth form." ...
Four planets found orbiting a star 6 light-years from Earth
Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...
Atmospheres of new planets might have unexpected mixtures of hydrogen and water
All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...
Scientists Observe Carbon Dioxide on Planets Outside the Solar System for the First Time
The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...
Several planets found orbiting star less than 6 light-years away
Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...
What Happens When Planets Orbit Too Close to Fiery Young Stars
Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...
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Inflatable Starshades Might Shine New Light on the Habitable Planets in the Universe
There are no starshades in operation at the moment, but American space agency NASA is seriously ... specifically to search for signs of life on planets orbiting other stars. Capable of looking ...