2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
790 days ago2 years 2 months
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1527 days ago4 years 2 months 4 days
1990
Apr 24
Hubble Launch
Observing space from above.
13095 days ago35 years 10 months 5 days
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
130816 days ago358 years 2 months
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152129 days ago416 years 6 months 4 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152456 days ago417 years 4 months 27 days