Suchergebnisse
Vor 2 Tagen · 太阳系的家族照. 影像提供: Voyager Project, NASA. 说明: 1990年，旅行者1号航天器航行到离太阳64亿公里的地方，然后转头拍下了有史以来的第一幅 太阳系家族照 。. 当时旅行者1号航天器，从 黄道面 上方32度之处俯视拍下60张照片，从而拼接成这张 家族照 。. 旅行者 ...
Vor 3 Tagen · Explanation: Planetary nebula Jones-Emberson 1 is the death shroud of a dying Sun-like star. It lies some 1,600 light-years from Earth toward the sharp-eyed constellation Lynx . About 4 light-years across, the expanding remnant of the dying star's atmosphere was shrugged off into interstellar space, as the star's central supply of hydrogen and then helium for fusion was depleted after billions ...
Vor 2 Tagen · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: In 1990, cruising four billion miles from the Sun, the Voyager 1 spacecraft looked back to make this first ever Solar System family portrait .
Vor 22 Stunden · NASAのゴダード宇宙飛行センターが公開したこの動画（※オリジナル動画にsoraeが解説を加えたバージョン）では、天の川銀河と大マゼラン雲で見つかっている22組のブラックホール連星が、それぞれ同じ縮尺で描かれています。
Vor 4 Tagen · The primary objective of Apollo 11 was to complete a national goal set by President John F. Kennedy on May 25, 1961: perform a crewed lunar landing and return to Earth.
