Joshua Tree National Forest in southern California is now an International Dark Sky Park. That should help protect it for the populations of Los Angeles and San Diego, for which Joshua Tree is the nearest practical place to experience darkness. Chris Grant captured this image of the bright core of the Milky Way in late September just after dark.
Astronomers have found 20 new moons orbiting Saturn, bringing the planet's total number of moons to 82. Now Saturn has more known moons than Jupiter, with 79. Long live the new moon king! Read more, watch a video, and help name the new moons.
Scientists working with the Curiosity rover have found salt-enriched rock at a place called Sutton Island on Mars. The rocks suggest ponds with briny water on Mars, billions of years ago. Read more.
On October evenings, look for brilliant Arcturus in the west, flashing in colors. Follow the curve in the Big Dipper’s handle to this yellow-orange star. Arcturus is one of 3 stars you might see at this time of year that sparkle and flash noticeably. Learn about all 3, here.
Göran Strand captured this image on September 27 in the mountain area of Jämtland, Sweden. He wrote, “This is a photo I took facing south. You can see the Milky Way behind the clouds stretching over the sky at the top of the image. These low-moving clouds were colored green from the northern lights shining in the north.” Thanks for sharing with us, Göran.
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