There is a pattern found in nature. It is indeed the largest pattern there is. It is so vast that it spans the universe, filling up its observable volume. The pattern is made of individual units in the same way your body is made of cells — if each of your cells were a galaxyContinue reading "Untangling the cosmic web"

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Eugene Parker, pioneer of theoretical solar and plasma astrophysics, was born June 10, 1927. Parker revolutionized the field of heliophysics, notably by first proposing the existence of the solar wind — a stream of charged particles ejected from the Sun — in 1958. His theory was confirmed by Mariner II in 1962. Among many otherContinue reading "June 10, 1927: The birth of Eugene Parker"

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Looking for a sky event this week? Check out our full Sky This Week column.  June 9: Bright planets’ conjunction The Moon passes 6° due north of Saturn at 8 A.M. EDT; an hour before dawn, the pair is high in the eastern sky, perfect for early risers to enjoy.  Saturn is the brightest point of lightContinue reading "The Sky Today on Wednesday, June 10: The Moon shines with Saturn"

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Emmanuel Delgadillo from Jalisco, Mexico The Eagle Nebula (M16) is well-known for its dense star-forming pillars of gas and dust — including those in the famed Hubble Space Telescope’s “Fingers of Creation” image. It lies roughly 5,000 light-years away in Serpens. This photographer combined over 14 hours of exposure taken with Hα/OIII and SII/OIII dual-bandContinue reading "The Eagle’s lair"

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When NASA added a low Earth orbit test flight to the Artemis program in February, pushing the lunar landing from Artemis 3 to Artemis 4, it left the details sparse. On Tuesday, the agency filled them in. At a press conference, NASA named the four-person crew for Artemis 3, a 2027 Earth-orbit test flight thatContinue reading "Meet the astronauts flying on Artemis 3"

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