Galileo
Europa was discovered in 1610 by Galileo when he pointed a telescope at Jupiter.
Galileo was the first to use a telescope for major discoveries, around the year 1610.
it was in 1659 not 1610 and it was Christian Huyges Actually, you are right, but Galileo Galilei discovered them first in 1610 when he looked through his homemade telescope.
Galileo, about 1610
Galileo
1610.
Galileo Galilei discovered the rings of Saturn in 1610 as part of his observation of celestial objects through a telescope. However, he was not able to identify the rings as Saturn's due to the limitations of his telescope at the time.
Galileo turned a refracting telescope, which uses lenses to gather and focus light, skyward in 1610. This allowed him to make groundbreaking astronomical observations such as the moons of Jupiter and the phases of Venus.
Galileo discovered Saturn in 1610 through his telescope. He observed its unique shape and rings but was unable to identify them accurately at the time.
The telescope, which was first built by Hans Lippershey in 1608. Galileo built a telescope in 1609 and discovered Saturn with it in 1610.
Sunspots were discovered in 1610 by Galileo.
Galileo Galilei was the first to observe Saturn in 1610, using a telescope he had made. He noted the peculiar shape of Saturn's rings, but due to limitations of his telescope, he thought they were two large moons.