June 19 - Mystery Moon Mass, Superflare on Sun

June 19 Mystery Moon Mass, Superflare on Sun by:

The South Pole-Aitken Basin (outlined) on the far side of the moon. The unusual mass is beneath the surface in this area. Image via NASA.

What is the mystery mass on the moon? Scientists have discovered a massive subsurface deposit of dense material - probably metal - beneath the largest crater on the moon. Did it result from a huge asteroid impact or a former lunar ocean of molten rock? Read more. Could a superflare happen on our sun? New research suggests that yes, superflares - massive bursts of energy from a star's surface - can happen on stars like our sun. What might that mean for us on Earth? Read more. Circumpolar stars don’t rise or set Circumpolar stars stay above the horizon all hours of the day, every day and every night of the year. Read more.

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This week's full moon and Jupiter View at EarthSky Community Photos. | New York City under the light of 5 moons! This image by Alexander Krivenyshev - taken Monday night - shows Earth's moon near Jupiter. A telescope reveals Jupiter's 4 largest moons, called Io, Europa, Ganymede and Callisto. Thanks, Alex!

This week's full moon View at EarthSky Community Photos. | Beautiful capture of Monday night's moon - just past full and rising behind the Margaret Hunt-Hill Bridge in Dallas, Texas - from Ben Zavala. Thank you, Ben.  Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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