| | July 22 Meet the Space Robots | | | |
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| | The climbing robot LEMUR rests after scaling a cliff in Death Valley, California, in early 2019. The robot uses special gripping technology that has helped lead to a series of new off-roading robots that can explore other worlds. Image via NASA/JPL-Caltech. Read more. | | |
| | Astronomers probe a mini-Neptune's atmosphere | | Exoplanet Gliese 3470 b fits nicely in size between our solar system's Earth and planet Neptune. Known as a mini-Neptune, it likely has a rocky core beneath a deep, crushing, hydrogen-helium atmosphere. The analysis of its atmosphere is a first for one of these mid-sized worlds. Read more. | | | | | | |
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| | | Tonight … Summer Triangle and smallest constellations | You need a dark country sky to see these 3 small constellations: Vulpecula the Fox, Delphinus the Dolphin and Sagitta the Arrow. Read more. | | | | |
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| | Fogbow over the Australian outback | View at EarthSky Community Photos. | Alan Nicolle in New South Wales, Australia, captured this image on July 16. He wrote: "I was out geocaching in the outskirts of Broken Hill, when I turned back to see this fogbow developing. I took quite a few photos with the iPhone, and rode back to the car on my bike, but by the time I got back to the car to use my SLR, it had faded." Thank you, Alan! See more fogbow photos. | | |