保护地球，探索宇宙，发现文明
2020 January 12 Stars and Dust in Corona Australis Image Credit & Copyright: CHART32 Team, Processing – Johannes Schedler Explanation: Cosmic dust clouds and young, energetic stars inhabit this telescopic vista, less than 500 light-years away toward the northern boundary of Corona Australis, the Southern Crown. The dust clouds effectively block lig...
2019 October 25 The Ghosts of Cassiopeia Image Credit & Copyright: Tommaso Stella Explanation: These bright rims and flowing shapes look ghostly on a cosmic scale. A telescopic view toward the constellation Cassiopeia, the colorful skyscape features swept-back, comet-shaped clouds IC 59 (left) and IC 63. About 600 light-years distant, the clouds arenR...
2019 September 12 The Iris Nebula in a Field of Dust Image Credit & Copyright: Markus Bauer Explanation: These cosmic dust clouds drift some 1,300 light-years away along the fertile starfields of the constellation Cepheus. The beautiful Iris Nebula, also known as NGC 7023, blossoms at the upper left. Not the only nebula in the sky to evoke the imagery of...
2019 August 30 NGC 7129 and NGC 7142 Image Credit & Copyright: Steve Cannistra (StarryWonders) Explanation: This wide-field telescopic image looks toward the constellation Cepheus and an intriguing visual pairing of dusty reflection nebula NGC 7129 (right) and open star cluster NGC 7142. The two appear separated by only half a degree on the sky, but they...