| | July 10
Weirder than Tabby's Star? | | | |
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 | | | Artist's concept showing 5 of the 7 Earth-sized exoplanets orbiting the star TRAPPIST-1. These planets were discovered via transits, that is, when they passed in front of their star as seen from Earth. Similarly, Kepler spacecraft data revealed 28 transits in the binary star system HD 139139, aka the Random Transiter. But - while the TRAPPIST-1 planets have periodic, stable orbits - the orbits of the objects in the HD 139139 system are exceedingly, well ... random. Image via NASA/JPL-Caltech/Newsweek.com. Read more. | | |
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|  | | | We go between Saturn and the sun | | Just know that - around now - Saturn is more or less opposite the sun in Earth's sky, rising in the east around sunset, climbing highest up for the night around midnight and setting in the west around sunrise. When opposite the sun, Saturn is visible all night and at its best! Read more. | | | | | |
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 | | | Rare lava lake | | Satellite images confirm that this rare lava lake is a continuous feature at the top of Mount Michael, in the South Atlantic's South Sandwich Islands. The temperature of the molten lava is some 1,000 degrees Celsius (1,800 degrees Fahrenheit). Read more. | | |
