The featured image shows the very center of our Milky Way Galaxy as resolved by the MeerKAT array in radio light. Many supernova remnants and unusual filaments are visible. At the upper right is an inset image of a small region taken in infrared by JWST. Please see the explanation for more detailed information.
这张精选图像展示了银河系的中心区域，由狐獴阵列以射电波段成像。图中可见许多超新星遗迹和不寻常的细丝结构。右上角的小图为詹姆斯·韦伯太空望远镜（JWST）在红外波段拍摄的该区域的一小部分。有关更多详细信息，请参阅说明。
2022年3月30日 Animation: Odd Radio Circles Credits: Illustration: Sam Moorfield; Data: CSIRO, HST (HUDF), ESA, NASA; Image: J. English (U. Manitoba), EMU, MeerKAT, DES (CTIO); Text: Jayanne English Explanation: What do you call a cosmic puzzle that no one expected to see? In this case, Odd Radio Circles, aka ORCs. ORC-1 typifies the enigmatic five objects, only visible at radio frequencies, that were serendipitously discovered in 2019 using the new Australian SKA Pathfinder radio array. The final image in the featured video uses 2021 data from the South African MeerKAT array to reveal more detail. The radio data, assigned turquoise colors, are combined with a Dark Energy Survey optical/IR map. The animated artist’s illustration explores just one idea about the ORCs’ origins. If two supermassive black…
2022年2月2日 The Galactic Center in Radio from MeerKAT Image Credit: Ian Heywood (Oxford U.), SARAO; Color Processing: Juan Carlos Munoz-Mateos (ESO) Explanation: What’s happening at the center of our galaxy? It’s hard to tell with optical telescopes since visible light is blocked by intervening interstellar dust. In other bands of light, though, such as radio, the galactic center can be imaged and shows itself to be quite an interesting and active place. The featured picture shows the latest image of our Milky Way’s center by the MeerKAT array of 64 radio dishes in South Africa. Spanning four times the angular size of the Moon (2 degrees), the image is impressively vast, deep, and detailed. Many known sources are shown in clear detail, including many with…
