Galaxies and dark matter go together like peanut butter and jelly. Rarely is one without the other, but a recently discovered galaxy called NGC 1052-DF2 is nearly entirely lacking in dark matter. In November 2019, researchers were astonished when they viewed its image captured by the Hubble Space Te […]
In this image, a NASA Black Brant XII suborbital sounding rocket was launched at 8:44 p.m. EDT, Sunday, May 16, 2021, from the Wallops Flight Facility. The four stage rocket carried the KiNETic-scale energy and momentum transport eXperiment, or KiNet-X, designed to study a very fundamental problem i
Nestled among the vast clouds of star-forming regions like this one lie potential clues about the formation of our own solar system. This image from the NASA/ESA Hubble Space Telescope features AFGL 5180, a beautiful stellar nursery located in the constellation of Gemini (the Twins). At the center o
2021年8月18日 Rings Around the Ring Nebula Image Credit: Hubble, Large Binocular Telescope, Subaru Telescope; Composition & Copyright: Robert Gendler Explanation: The Ring Nebula (M57), is more complicated than it appears through a small telescope. The easily visible central ring is about one ligh
2021年8月17日 M57: The Ring Nebula from Hubble Image Credit: NASA, ESA, Hubble Legacy Archive; Processing: Judy Schmidt Explanation: Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial circle. Its classic appearance is understood to be due to our own perspective,
2021年8月16日 Perseid Meteor, Red Sprites, and Nova RS Ophiuchus Image Credit & Copyright: Daniel Korona Explanation: This was an unusual sky. It wasn’t unusual because of the central band the Milky Way Galaxy, visible along the image left. Most dark skies show part of the Milky Way. It wasn
2021年8月15日 Perseid Rain Image Credit & Copyright: Luo Hongyang Explanation: Comet dust rained down on planet Earth last week, streaking through dark skies in the annual Perseid meteor shower. The featured picture is a composite of many images taken from the same location over the peak night of
This image, taken from aboard the International Space Station, shows the aurora australis as it streams across the Earth’s atmosphere as the station orbited 271 miles above the southern Indian Ocean in between Asia and Antarctica. Named for the Roman goddess of dawn, the aurora is a captivatin
2021年8月14日 Island Universe, Cosmic Sand Image Credit & Copyright: Marzena Rogozinska Explanation: Stars in our own Milky Way Galaxy are scattered through this eye-catching field of view. From the early hours after midnight on August 13, the 30 second exposure of the night sky over Busko-Zdroj,
2021年8月13日 A Perfect Spiral Image Credit: NASA, ESA, Hubble, HLA; Processing: Mehmet Hakan Ozsarac Explanation: If not perfect then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces, M
