保护地球，探索宇宙，发现文明
2023年1月14日 Perihelion Sun 2023 Image Credit & Copyright: Peter Ward (Barden Ridge Observatory) Explanation: Perihelion for 2023, Earth’s closest approach to the Sun, was on January 4 at 16:17 UTC. That was less than 24 hours after this sharp image of the Sun’s disk was recorded with telescope and H-alpha filter from Sydney, Australia, planet...
1月份的天空会发生什么？
行星会有一些近距离的相遇，冬天的明亮恒星，还有机会观测彗星。
2022年12月21日 Sun Halo at Sixty-three Degrees North Image Credit & Copyright: Goran Strand Explanation: Happy Solstice! Today is the December solstice, marking an astronomical beginning of summer in the southern hemisphere and winter in the north. On its yearly trek through planet Earth’s skies, at this solstice the Sun reaches its southern most dec...
12月的天空会发生什么？你的夜晚行星的亮点，包括火星的消失和天马座。
2022年11月6日 Dark Ball in Inverted Starfield Image Credit: Jim Lafferty Explanation: Does this strange dark ball look somehow familiar? If so, that might be because it is our Sun. In the featured image from 2012, a detailed solar view was captured originally in a very specific color of red light, then rendered in black and white, and then color inverted. Once ...
11月的天空会发生什么？月食，月球和行星，以及狮子座流星雨。
2022年11月2日 A Partial Eclipse of an Active Sun Video Credit: Ralf Burkart; h/t Maciej Libert (AG) Explanation: Watch for three things in this unusual eclipse video. First, watch for a big dark circle to approach from the right to block out more and more of the Sun. This dark circle is the Moon, and the video was made primarily to capture this partial solar ec...
2022年10月9日 Auroras over Northern Canada Image Credit & Copyright: Kwon, O Chul (TWAN) Explanation: Gusting solar winds and blasts of charged particles from the Sun resulted in several rewarding nights of auroras back in 2014 December, near the peak of the last 11-year solar cycle. The featured image captured dramatic auroras stretching across a sky near...
十月份的天空会发生什么？夜晚有巨行星，火星改变方向，来自猎户座的流星。
2022年9月13日 A Long Snaking Filament on the Sun Image Credit & Copyright: Alan Friedman (Averted Imagination) Explanation: Earlier this month, the Sun exhibited one of the longer filaments on record. Visible as the bright curving streak around the image center, the snaking filament’s full extent was estimated to be over half of the Sun’s radiu...