观星指南（2024年1月）
中等强度的象限仪座流星雨活跃于12月28日至1月12日，并在1月3日夜间达到峰值。月亮会冲掉暗淡的流星，但流星雨经常会产生明亮的火流星。虽然你可能已经注意到星座是如何随季节变化的，但你知道这种变化是以每天四分钟的速度发生的吗？
资讯
NASA·每日一图
NASA肯尼迪航天中心上空的新月
The crescent moon, along with Jupiter (top right of Moon) and Venus (below Moon) appeared over the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida Feb. 22, 2023, as preparations continued for NASA’s SpaceX Crew-6 mission. NASA astronauts Stephen Bowen and Warren “Woody” Hoburg, U
NASA·每日一图
庆祝凯瑟琳·约翰逊的一生和事业
Katherine Johnson passed away Feb. 24, 2020, after living a life filled with trail-blazing achievements. Being handpicked to be one of three black students to integrate West Virginia’s graduate schools is something that many people would consider one of their life’s most notable moments, but it’s ju
NASA·每日一图
天市右垣十一:狂奔的恒星
2020 February 2 Zeta Oph: Runaway Star Image Credit: NASA, JPL-Caltech, Spitzer Space Telescope Explanation: Like a ship plowing through cosmic seas, runaway star Zeta Ophiuchi produces the arcing interstellar bow wave or bow shock seen in this stunning infrared portrait. In the false-color view, bl
NASA·每日一图
使用哈勃太空望远镜的考德威尔目录探索夜空
During the 18th century, French astronomer Charles Messier compiled a list of over 100 cosmic objects that might fool fellow comet hunters into thinking they had discovered new comets. In the 1980s, an Englishman named Sir Patrick Moore produced an additional list to highlight more cosmic wonders vi
天文·每日一图
M33：三角星系
2019 December 31 M33: The Triangulum Galaxy Image Credit & Copyright: Rui Liao Explanation: The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy. M33 is over 50,000 light-yea
NASA·每日一图
雪花星团
Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA’s Spitzer Space Telescope. The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals
天文·每日一图
美国·内布拉斯加州上空的乳状云
2019 December 15 Mammatus Clouds over Nebraska Image Credit & Copyright: Jorn Olsen Photography Explanation: When do cloud bottoms appear like bubbles? Normally, cloud bottoms are flat. This is because moist warm air that rises and cools will condense into water droplets at a specific temperatu
天文·每日一图
飞掠小行星Arrokoth
2019 November 18 Passing Asteroid Arrokoth Video Credit: NASA, JHU APL, SwRI Explanation: What would it look like to pass asteroid Arrokoth? The robotic New Horizons spacecraft zoomed past Arrokoth in January, 3.5 years after the spacecraft passed Pluto. If this object’s name doesn’t sou