2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
835 days ago2 years 3 months 14 days
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1572 days ago4 years 3 months 21 days
1990
Apr 24
Hubble Launch
Observing space from above.
13140 days ago35 years 11 months 22 days
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
130861 days ago358 years 3 months 14 days
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152174 days ago416 years 7 months 21 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152501 days ago417 years 6 months 13 days