Tag:what is the gegenschein

EarthSky | Gegenschein is the glow of interplanetary dust

Article and most photos via Erwin Matys and Karoline Mrazek of Project Nightflight in Vienna, Austria. Reprinted with permission. The sun’s counterglow – or...

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See 6 planets in late August and early September

See 6 planets earlier than dawn Possibly you’ve already seen Jupiter and Mars within the morning sky? They’re simply...

Voyager 2: Our 1st and last visit to Neptune

Reprinted from NASA. Voyager 2 passes by Neptune, 35 years in the past Thirty-five years in the past, on August...

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