Tag Archives: planets

Discoveries boost Jupiter’s retinue to 79 moons

Astronomers searching for signs of a hypothetical “Planet Nine” have instead come up with 12 new moons of Jupiter, including one that hints at a cosmic crack-up. The discoveries were made more than a year ago, and the orbits of … Continue reading

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Scientists say Pluto was made from a billion comets

Did Pluto form like its closer-in brethren in the solar system, or is it the result of an agglomeration of comets from the edge of the solar system? A study published in the journal Icarus makes the case for comets. To reach … Continue reading

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NASA’s planet-hunting probe sends first test image

One month after its launch, NASA’s Transiting Exoplanet Survey Satellite has sent back an initial test image that shows more than 200,000 stars in the southern sky. TESS’ image was taken by one of its cameras with a two-second exposure. The picture is centered … Continue reading

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Pluto’s champions tell the tale of an epic mission

It took nine years for NASA’s New Horizons spacecraft to get to Pluto, and laying the groundwork for that history-making space mission here on Earth took nearly twice as long. The drama and intrigue surrounding New Horizons during those decades, as chronicled … Continue reading

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SpaceX launches NASA’s planet-hunting TESS probe

SpaceX has launched NASA’s Transiting Exoplanet Survey Satellite, or TESS, kicking off a mission aimed at surveying nearly the entire sky for exoplanets. The probe rose into space atop a SpaceX Falcon 9 rocket, sent up from Cape Canaveral Air Force Station … Continue reading

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SpaceX, NASA delay planet-hunting probe’s liftoff

NASA and SpaceX say they’ll take more time to launch the Transiting Exoplanet Survey System, or TESS, just to make sure the $337 million mission will be on the right track to hunt for planets beyond our solar system. TESS’ … Continue reading

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Messages and music beamed to alien super-Earth

Scientists and artists have banded together to beam coded radio transmissions toward a star that has a potentially habitable planet, just 12.4 light-years from Earth. “Sónar Calling GJ273b” is the latest effort to communicate with aliens, 43 years since the first … Continue reading

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