it was first studied by man when he was just created, he looked up at the stars and wondered. Many people think the Mayans were.
Babylonians.
Astronomers study astronomy.
There is a branch of astronomy called planetary astronomy that takes geology and uses it to examine other planets, so yes rocks are studied in astronomy.
The Ancient Egyptians when they studied and founded the Dawn of Astronomy. See J Norman Lockyer, The Dawn Of Astronomy.
Astronomy
They studied Astronomy.
Sally Ride studied Astronomy and Physical Science.
Astronomy
Astronomy/physics
Astronomy and cosmology.
studied plants
Archimedes studied astronomy, engineering, mathematics, and war tactics.