2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
955 days ago2 years 7 months 12 days
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1692 days ago4 years 7 months 19 days
1990
Apr 24
Hubble Launch
Observing space from above.
13260 days ago36 years 3 months 20 days
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
130981 days ago358 years 7 months 12 days
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152294 days ago416 years 11 months 19 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152621 days ago417 years 10 months 11 days