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原文:
The Moon was new on July 16. Its familiar nearside facing the surface of planet Earth was in shadow. But on that date a million miles away, the Deep Space Climate Observatory (DSCOVR) spacecraft’s Earth Polychromatic Imaging Camera (EPIC) captured this view of an apparently Full Moon crossing in front of a Full Earth. In fact, seen from the spacecraft’s position beyond the Moon’s orbit and between Earth and Sun, the fully illuminated lunar hemisphere is the less familiar farside. Only known since the dawn of the space age, the farside is mostly devoid of dark lunar maria that sprawl across the Moon’s perpetual Earth-facing hemisphere. Only the small dark spot of the farside’s Mare Moscoviense (Sea of Moscow) is clear, at the upper left. Planet Earth’s north pole is near 11 o’clock, with the North America visited by Hurricane Dolores near center. Slight color shifts are visible around the lunar edge, an artifact of the Moon’s motion through the field caused by combining the camera’s separate exposures taken in quick succession through different color filters. While monitoring the Earth and solar wind for space weather forcasts, about twice a year DSCOVR can capture similar images of Moon and Earth together as it crosses the orbital plane of the Moon.
中文翻譯:
🌑✨ 在7月16日，月亮是新月。從地球的方向來看，它的熟悉近側面是被陰影籠罩的。然而，在距離一百萬英里外的深空氣候觀測衛星（DSCOVR）的地球多色成像相機（EPIC）捕捉到了這幅圖像：一個似乎的滿月正好穿越著一個滿地球的面前。事實上，從該航天器位於月球軌道之外、地球與太陽之間的觀察位置，完全照亮的月球半球是較少見的遠側。自太空時代開始以來，這個遠側面幾乎沒有暗淡的月海，這些月海在月球永恆面向地球的半球上擴展。遠側面的小暗斑—莫斯科海（Mare Moscoviense）—在左上方清晰可見。地球的北極位於11點鐘位置，而受到颶風多洛雷斯影響的北美洲位於中心位置。月球邊緣周圍可見微妙的色彩變化，這是因為該相機快速連拍時通過不同顏色濾鏡拍攝的結果。在監測地球和太陽風，提供太空天氣預測的過程中，DSCOVR大約每年兩次能夠捕捉到類似的月球和地球的合影，當它穿越月球的軌道平面時拍攝。
#DSCOVR #EPIC #FullMoon #EarthAndMoon #SpaceWeather #LunarFarSide #MareMoscoviense #HurricaneDolores #Astronomy #SpaceExploration
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來源:NASA每日圖片
