Answer:
Solar Eclipse, Lunar Eclipse, phase of the moon, motion of stars, and visibility of planets; these astronomical phenomena are already known even before the invention of telescope.
Explanation:
During the Ancient times, even before Hans Lippershey invented the telescope, astronomical phenomena are already being observed and known by the people.
Ancient People can see the planets without using telescope by observing the sky before sunrise and after sunset. The planets that are visible during these times are Mercury, Venus, Mars, Jupiter and Saturn.
Gnomon, a primitive sundial are used by Babylonian and Egyptian civilizations to observe systematically the motion of the sun. They were able to record the points where the sun rises and sets depending on season.
Phrases of the Moon, Lunar Eclipse, and Solar Eclipse are also some known astronomical phenomena during the old times.
I hope this is a correct