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At the time of this writing, June 23, Jupiter was about half a degree left of the afternoon Sun and due to pass behind it ...
What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...
Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...