A new tool for 'weighing' unseen planets

A new instrument funded by NASA and the National Science Foundation called NEID (pronounced "NOO-id"; sounds like "fluid") will help scientists measure the masses of planets outside our solar system—exoplanets—by observing ...

The ongoing search for habitable exoplanets

A balmy Florida evening, and my family and I stood on Cocoa Beach, looking northward toward the Cape Canaveral Air Force Station. We were part of a seaside crowd gathered to witness the launch of NASA's Kepler Space Telescope. ...

Newly discovered giant planet slingshots around its star

Astronomers have discovered a planet three times the mass of Jupiter that travels on a long, egg-shaped path around its star. If this planet were somehow placed into our own solar system, it would swing from within our asteroid ...

The low density of some exoplanets is confirmed

The Kepler mission and its extension, called K2, discovered thousands of exoplanets. It detected them using the transit technique, measuring the dip in light intensity whenever an orbiting planet moved across the face of ...

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