保护地球，探索宇宙，发现文明
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...
2022年11月14日 NGC 7380: The Wizard Nebula Image Credit & Copyright: Ioan Popa Explanation: What powers are being wielded in the Wizard Nebula? Gravitation strong enough to form stars, and stellar winds and radiations powerful enough to create and dissolve towers of gas. Located only 8,000 light years away, the Wizard nebula, featured here, surrounds devel...
2020年9月4日 The Wizard Nebula Image Credit & Copyright: Andrew Klinger Explanation: Open star cluster NGC 7380 is still embedded in its natal cloud of interstellar gas and dust popularly known as the Wizard Nebula. Seen on the left, with foreground and background stars along the plane of our Milky Way galaxy it lies some 8,000 light-years distant, toward ...
