2023年5月13日 Apollo 17: The Crescent Earth Image Credit: Apollo 17, NASA; Restoration – Toby Ord Explanation: Our fair planet sports a curved, sunlit crescent against the black backdrop of space in this stunning photograph. From the unfamiliar perspective, the Earth is small and, like a telescop […]
2023年5月12日 Halley Dust, Mars Dust, and Milky Way Image Credit & Copyright: Petr Horalek / Institute of Physics in Opava Explanation: Grains of cosmic dust streaked through night skies in early May. Swept up as planet Earth plowed through the debris streams left behind by periodic Comet Halley,
2023年5月11日 Fomalhaut’s Dusty Debris Disk Image Credit: NASA, ESA, CSA, Processing: András Gáspár (Univ. of Arizona), Alyssa Pagan (STScI), Science: A. Gáspár (Univ. of Arizona) et al. Explanation: Fomalhaut is a bright star, a 25 light-year voyage from planet Earth in the direction of the cons
2023年5月10日 Milky Way over Egyptian Desert Image Credit & Copyright: Amr Abdelwahab Explanation: For ten years the stargazer dreamed of taking a picture like this. The dreamer knew that the White Desert National Park in Egypt‘s Western Desert is a picturesque place hosting numerous chalk f
2023年5月8日 The Spanish Dancer Spiral Galaxy Image Credit: ESA, NASA, Hubble; Processing: Detlev Odenthal Explanation: If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe containing billions of stars and situated about 40 million light-years away toward t
2023年5月7日 The Helix Nebula from CFHT Image Credit: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum) Explanation: Will our Sun look like this one day? The Helix Nebula is one of brightest and closest examples of a planetary nebula, a gas cloud created at the end of the lif
2023年5月6日 Twilight in a Flower Image Credit & Copyright: Dario Giannobile Explanation: Transformed into the petals of a flower, 16 exposures show the passage of day into night in this creative timelapse skyscape. Start at the top and move counterclockwise to follow consecutive moments as the tw
2023年5月5日 Shackleton from ShadowCam Image Credit: NASA, ShadowCam, Korea Aerospace Research Institute, Arizona State University Explanation: Shackleton crater lies at the lunar south pole. Peaks along the 21 kilometer diameter are in sunlight, but Shackleton’s floor is in dark permanent shadow
2023年5月4日 The Galaxy, the Jet, and a Famous Black Hole Image Credit: NASA, JPL-Caltech, Event Horizon Telescope Collaboration Explanation: Bright elliptical galaxy Messier 87 (M87) is home to the supermassive black hole captured in 2017 by planet Earth’s Event Horizon Telescope in the first ev
