| | | June 21 Happy Solstice, Everyone! | | | |
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| | | | Mars dust storm grows global | | | The storm is now officially planet-encircling. At Gale Crater, where the Curiosity rover is studying the storm's effects, dust has starkly increased. Meanwhile, the Opportunity rover stays silent. | | | | | Lake Superior sediment-heavy after torrential rains | | | The downpour took place last weekend in parts of the U.S. Upper Midwest - Wisconsin, Minnesota and especially northern Michigan. Satellite images show the effects on Lake Superior, the largest of the Great Lakes of North America. | | | | | | | |
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|  | | | Happy solstice, everyone! | | Worldwide map via the U.S. Naval Observatory shows the day and night sides of Earth at the instant of the June solstice (June 21, 2018, at 10:07 UTC). It’s sunrise in the Americas, noon in Africa, and sunset in Japan and Indonesia. | | | | | |
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 | | | Celebrate the solstice with this cool solargraph | | The APEX telescope at the Llano de Chajnantor Observatory in Chile tracked the sun's path across the sky over a 6-month period in 2010. The astronomers inadvertently created art, but their original goal was to assess the quality of this site in Chile for astronomy. | | |
