7月21日 Iron in the Butterfly Nebula Image Credit: NASA, ESA, Hubble; Processing & License: Judy Schmidt Explanation: Can stars, like caterpillars, transform themselves into butterflies? No, but in the case of the Butterfly Nebula — it sure looks like it. Though its wingspan covers over 3 l […]
2020年7月20日 Comet NEOWISE and Nebulae Image Credit & Copyright: Jarek Oszywa Explanation: Would you brave wild animals to photograph this sky? One astrophotographer did — and we all get to reap the rewards. First, thousands of stars were visible with many of the brightest impressively blue
2020年7月19日 Rotating Moon from LRO Video Credit: NASA, LRO, Arizona State U. Explanation: No one, presently, sees the Moon rotate like this. That’s because the Earth’s moon is tidally locked to the Earth, showing us only one side. Given modern digital technology, however, combined with ma
2020年7月18日 Finding NEOWISE Image Credit & Copyright: Tom Masterson Explanation: If you can see the stars of the Big Dipper, you can find comet NEOWISE in your evening sky tonight. After sunset look for the naked-eye comet below the bowl of the famous celestial kitchen utensil of the north and a
2020年7月17日 NEOWISE of the North Image Credit & Copyright: Bill Peters Explanation: After local midnight on July 14 comet NEOWISE was still above the horizon for Goldenrod, Alberta, Canada, just north of Calgary, planet Earth. In this snapshot it makes for an awesome night with dancing displays
2020年7月16日 The Long Tails of Comet NEOWISE Image Credit & Copyright: Petr Horalek Explanation: This Comet NEOWISE (C/2020 F3) now sweeps through our fair planet’s northern skies. Its long tails stretch across this deep skyview from Suchy Vrch, Czech Republic. Recorded on the night of July
2020年7月15日 Comet NEOWISE over the Swiss Alps Image Credit & Copyright: Philipp Salzgeber, foto-webcam.eu; Text: Adam Block Explanation: Comet NEOWISE has been wowing photographers around much of the world during dawn and dusk, at the margins of day and night. For the most northern residents of
2020年7月14日 Comet NEOWISE over Stonehenge Image Credit & Copyright: Declan Deval Explanation: Have you ever seen a comet? Tonight — and likely the next few nights — should be a good chance. Go outside just at sunset and look to your northwest. The lower your horizon, the better. Bino
2020年7月13日 Comet NEOWISE Rising over the Adriatic Sea Video Credit & Copyright: Paolo Girotti Explanation: This sight was worth getting out of bed early. Comet C/2020 F3 (NEOWISE) has been rising before dawn during the past week to the delight of northern sky enthusiasts awake that early. Up be
2020年7月12日 Comet CG Creates Its Dust Tail Image Credit & License: ESA, Rosetta, NAVCAM Explanation: Where do comet tails come from? There are no obvious places on the nuclei of comets from which the jets that create comet tails emanate. One of the best images of emerging jets is shown in the fe
