Galaxy The galaxy was the most distant object in the universe to have been observed.
After Sir William Herschel observed Uranus on 13 March 1781 while in the garden of his house in Bath, England, he reported it as a what?
Viewed from Earth, Venus crosses the sun twice every 100 to 120 years or so, about 8 years apart. The next is on 10-11 December 2117. When was the last?
What was believed to be a hemisphere above the ground, carrying the fixed stars and surrounding the seven spheres of the planets, through which the Sun and Moon moved in and out through a series of openings?