About 800 years ago in 1226 the two planets were visually “arranged” in the night sky. It was a coincidence of Jupiter and Saturn. In a rare event, they appeared very close together with one-half of the apparent width of the moon. This happened on March 4, 1226 – just …
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Inside New York Times The essay published his funeral day on July 30, 2020. John Lewis of Congress wrote that his “last days and hours” in which he witnessed widespread protests over the assassination of George Floyd and saw a square in downtown DC filled with Black Lives Matter Plaza …
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In all known space, between the stars and the galaxies, an extremely circular glow is eclipsed, a remnant left over from the beginning of the universe. This is the Cosmic Microwave Background (CMB), the first light that it could travel through the universe when it cooled about 380,000 years after …
Read More »An artist’s close-up portrait of the earth.Image: NASA / JPL-Caltech A small handful of objects are known to pose a serious threat to Earth, and the giant asteroid Apophis is one of them. Scientists are now re-evaluating the possibility of attacking our planet in 48 years due to improved observations …
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(Newser) – It seems shorter than a millisecond, shorter than a nanosecond, and shorter than a summer when you’re a child – it’s a zeptosecond, a unit used to measure the short intervals of time recorded by scientists. Zeptosecond is the trillionth of a second bill or 20 zeros per …
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