夏至的满月
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ecliptic
天文·每日一图
太阳系家族的合照
2022年6月29日 Solar System Family Portrait Image Credit & Copyright: Alexis Trigo Explanation: Yes, but have you ever seen all of the planets at once? A rare roll-call of planets has been occurring in the morning sky for much of June. The featured fisheye all-sky image, taken a few mornings ago ne
天文·每日一图
智利清晨的五星联珠
2022年6月17日 Good Morning Planets from Chile Image Credit & Copyright: Elke Schulz (Daniel Verschatse Observatory) Explanation: On June 15, innermost planet Mercury had wandered about as far from the Sun as it ever gets in planet Earth’s sky. Near the eastern horizon just before sunrise it
天文·每日一图
意大利天空的五星联珠
2021年12月19日 Planetary Alignment over Italy Image Credit & Copyright: Antonio Finazzi Explanation: It is not a coincidence that planets line up. That’s because all of the planets orbit the Sun in (nearly) a single sheet called the plane of the ecliptic. When viewed from inside that plane &
天文·每日一图
黄道光与火星
2021年03月11日 Zodiacal Light and Mars Image Credit & Copyright: Joshua Rhoades Explanation: Just after sunset on March 7, a faint band of light still reaches above the western horizon in this serene, rural Illinois, night skyscape. Taken from an old farmstead, the luminous glow is zodiacal light,