... Sunshine, Earthshine at the Lunar Limb . ... Explanation: This dramatic image of the Moon's edge against a background of distant stars is from a perspective impossible for groundbased telescopes. ... The Solar Corona, the Sun's outer atmosphere , is visible shining brightly behind the lunar limb while the Moon's surface is illuminated by Earthshine , sunlight reflected from the Earth to the Moon. As pictured, the part of the Moon in shadow is the lunar farside , the side not visible from Earth. ...