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NASA / ESA / G. Bacon (STScI)
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How to Toast a Planet
June 11, 2013 | A new study suggests that close-in gas giants may heat up electrically like toaster coils plugged in to their host stars via the power lines of the stellar wind — explaning why the planets inflate. > read more
Was our Sun a Feisty Toddler?
June 12, 2013 | Detailed observations of a young, nearby star are giving astronomers a chance to glimpse the Sun’s active youth. > read more
Surprise Variable Stars
June 12, 2013 | Astronomers have discovered an unexpected class of variable stars in the open cluster NGC 3766. The stars are problematic for current theories of star behavior and raise perplexing questions about why the stars are variable at all. > read more
New View of Nearest Galaxies
June 10, 2013 | Spectacular high-resolution images released at the 222nd American Astronomical Society conference in Indianapolis reveal two of the Milky Way’s nearest galactic neighbors in a new light. > read more
NASA / ESA / J.-Y. Li (PSI) / Hubble Comet ISON Imaging Science Team
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Comet ISON Approaches
June 13, 2013 | The “comet of the century” was stuck at 16th magnitude when it hid out for the summer. Still, good prospects remain for December. > read more
Tour June’s Sky by Eye and Ear!
May 31, 2013 | Venus, Jupiter, and Mercury crowd together low in the west right after sunset, while Saturn is sandwiched high in the south between the constellations Libra and Virgo. > read more
This Week’s Sky at a Glance
June 14, 2013 | Mercury descends to pass Venus in twilight. And the waxing Moon passes Spica, Saturn, and Antares. > read more
