The first time they looked upwards after the moon had risen.
Galileo was the first
Galileo
Many of the larger craters on the moon can be seen from earth without a telescope, so nobody discovered craters on the moon with a telescope.
moon rock
If by 'discover' you mean "the first identify it, separate form the Sun and notice that it is regularly up there in the sky", that would be Adam. If you mean 'studied the moon's phases, and it's markings', Ancient Egyptians and Babylonians have left fossil records of both the Sun and the moon that they observed, lived by and worshipped.
no he only dicovered the moon
When they were looking for the first crescent moon to know when the next lunar month began.
she was at age 25 when she climbed the moon
Neil Armstrong didn't discover anything. He was the first man to wallk on the moon. When he took his first step he said to the U.S. what is now a famous quote by him " The eagle has landed."Neil was a awsome man.
He discovered it on the moon.
The first country to discover water on the moon was India, with the finding announced by India's space agency, ISRO, in 2009. This discovery was made by the Moon Impact Probe on board India's Chandrayaan-1 spacecraft.
Pluto fourth moon is called Styx. It was discovered in 2012. The telescope used to discover Styx was also used to discover the moon Kerberos in 2011. The two moon are about 15 to 20 miles in diameter.