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A Planet has Whipped Up Spiral Arms Around a Young Star

When you hear the phrase “spiral arms” you probably think of galaxies. Lots of galaxies have bright arcs...

Watching the Watchers With Nancy Grace Roman

Astronomers are getting better at gathering data about exoplanets. We have discovered thousands of them, measuring their mass,...

This Hot Jupiter is Leaving a Swirling Tail of Helium in its Wake

In a recent study published in Science Advances, a team of researchers commissioned the Hobby-Eberly Telescope (HET) , which...

Astronomers Find an Earth-Sized World That May Be Carpeted in Volcanoes

Astronomers think they’ve found an extrasolar planet covered in volcanoes like Jupiter’s moon Io, but this world is about...

Two Super-Earths Found Orbiting a Red Dwarf Star at the Edge of the Habitable Zone

NASA’s Transiting Exoplanet Survey Satellite, or TESS, was designed to find other worlds. Following in the tradition of...

Building Planetary Systems That Could Last Forever

Vacations can be quite enjoyable. Visiting historic cities, lounging in the Sun on a tropical beach, or snuggling...

What Would Happen if the Solar System Gained a Super-Earth?

In this era of exoplanet discovery, astronomers have found over 5,000 confirmed exoplanets, with thousands more awaiting confirmation and...

How Can We Know if We’re Looking at Habitable exo-Earths or Hellish exo-Venuses?

The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with...

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