Taco Night on the International Space Station had a little kick to it on Nov. 26, 2021. In this image taken by NASA astronaut Kayla Barron, fellow NASA astronaut and Expedition 66 flight engineer Raja Chari smiles as he shows off a taco that includes fresh chile peppers. The peppers were harvested f […]
2023年10月6日 Edwin Hubble Discovers the Universe Image Credit & Copyright: Courtesy Carnegie Institution for Science Explanation: How big is our universe? This question, among others, was debated by two leading astronomers in 1920 in what has since become known as astronomy’s Great Debate.
2023年10月5日 Ring of Fire over Monument Valley Image Credit & Copyright: Tunc Tezel (TWAN) Explanation: Tracking along a narrow path, the shadow of a new moon will race across North, Central, and South America, on October 14. When viewed from the shadow path the apparent size of the lunar disk wi
2023年10月4日 IC 2118: The Witch Head Nebula Image Credit & Copyright: Abdullah Alharbi Explanation: Does this nebula look like the head of a witch? The nebula is known popularly as the Witch Head Nebula because, it is said, the nebula’s shape resembles a Halloween-style caricature of a witc
NASA astronaut Frank Rubio landed in Kazakhstan on Sept. 27, 2023, after spending 371 days in space aboard the International Space Station. Rubio’s mission is the longest single spaceflight by a U.S. astronaut in history. While on the space station, Rubio completed 5,963 orbits of the Earth. See the
2023年10月3日 MyCn 18: The Engraved Hourglass Planetary Nebula Image Credit & Copyright: NASA, ESA, Hubble, HLA; Processing & Copyright: Harshwardhan Pathak Explanation: Do you see the hourglass shape — or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of
On July 29, 1958, President Dwight D. Eisenhower signed the National Aeronautics and Space Act “to provide for research into problems of flight within and outside the Earth’s atmosphere.” At the White House less than a month later, Eisenhower commissioned Dr. T. Keith Glennan, right, as the first ad
2023年10月2日 Sprite Lightning in High Definition Image Credit & Copyright: Nicolas Escurat Explanation: Sometimes lightning occurs out near space. One such lightning type is red sprite lightning, which has only been photographed and studied on Earth over the past 25 years. The origins of all type
2023年10月1日 A Desert Eclipse Image Credit & Copyright: Maxime Daviron Explanation: A good place to see a ring-of-fire eclipse, it seemed, would be from a desert. In a desert, there should be relatively few obscuring clouds and trees. Therefore late December of 2019, a group of photographers trav
