A Sunny Outlook for 'Weather' on Exoplanets

Scientists were excited to discover clear skies on a relatively small planet, about the size of Neptune, using the combined power of NASA’s Hubble, Spitzer and Kepler space telescopes. The view from this planet — were it possible to fly a spaceship into its gaseous layers — is illustrated at right. original

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Best Astronomy Binoculars (Editors' Choice)

Most people have two eyes. Humans evolved to use them together (not all animals do). People form a continuous, stereoscopic panorama movie of the world within in their minds. With your two eyes tilted upward on a clear night, there’s nothing standing between you and the universe. The easiest way to enhance your enjoyment of […]

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Unveiling Venus

Highlights from ESA’s Venus Express, following end of routine science observations after eight years orbiting the veiled planet To source

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Eclipse Glossary: Solar Eclipses, Lunar Eclipses and Their Terms

By Elizabeth Howell, Space.com Contributor   |   September 18, 2015 09:00am ET Editor’s note: To find out more about the rare supermoon lunar eclipse of Sept. 27-28 and how to see it, visit: Supermoon Lunar Eclipse 2015: Full ‘Blood Moon’ Coverage . Such an event won’t happen again until 2033. <img src=”http://i.space.com/images/i/000/050/312/i01/SMLEbanner1.jpg?1442584960″ alt=”Checkout our super moon deals for the […]

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'Blood Moons' Explained: What Causes a Lunar Eclipse Tetrad? (Infographic)

by Karl Tate , SPACE.com Infographics Artist   |   September 18, 2015 09:29am ET Editor’s note: To find out more about the rare supermoon lunar eclipse of Sept. 27-28 and how to see it, visit: Supermoon Lunar Eclipse 2015: Full ‘Blood Moon’ Coverage . Such an event won’t happen again until 2033. The word “eclipse” means to obscure. When […]

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What Is the Big Bang Theory?

A 2013 map of the background radiation left over from the Big Bang, taken by the ESA’s Planck spacecraft, captured the oldest light in the universe. This information helps astronomers determine the age of the universe.Credit: ESA and the Planck Collaboration. The Big Bang Theory is the leading explanation about how the universe began. At […]

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