标签: 万圣节

万圣节与巫师星云

2023年10月31日 Halloween and the Wizard Nebula Image Credit & Copyright: Richard McInnis Explanation: Halloween’s origin is ancient and astronomical. Since the fifth century BC, Halloween has been celebrated as a cross-quarter day, a day halfway between an equinox (equal day / equal night) and a solstice (minimum day / maximum night in the northern h...

万圣节与鬼头星云

2021年10月24日 Halloween and the Ghost Head Nebula Image Credit: Mohammad Heydari-Malayeri (Observatoire de Paris) et al., ESA, NASA Explanation: Halloween’s origin is ancient and astronomical. Since the fifth century BC, Halloween has been celebrated as a cross-quarter day, a day halfway between an equinox (equal day / equal night) and a solstice (minimu...

猎户腰带以北

2020年11月5日 North of Orion’s Belt Image Credit & Copyright: Terry Hancock (Grand Mesa Observatory) Explanation: Bright stars, interstellar clouds of dust and glowing nebulae fill this cosmic scene, a skyscape just north of Orion’s belt. Close to the plane of our Milky Way Galaxy, the wide field view spans just under 5 degrees or about 10 full...

战栗之星系

2020年10月31日 A Galaxy of Horrors Poster Illustration Credit: NASA, JPL-Caltech, The Galaxy of Horrors Explanation: Explore extreme and terrifying realms of the Universe tonight. If you dare to look, mysterious dark matter, a graveyard galaxy, zombie worlds, and gamma-ray bursts of doom are not all that awaits. Just follow the link and remember, it’s all...

幽灵状的面纱星云

2019 October 31 The Ghostly Veil Nebula Image Credit & Copyright: Anis Abdul Explanation: A ghostly visage on a cosmic scale, these remains of shocked, glowing gas haunt planet Earth’s sky toward the constellation of Cygnus and form the Veil Nebula. The nebula itself is a large supernova remnant, an expanding cloud born of the death explosion of a...