2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
1046 days ago2 years 10 months 11 days
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1783 days ago4 years 10 months 18 days
1990
Apr 24
Hubble Launch
Observing space from above.
13351 days ago36 years 6 months 19 days
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
131072 days ago358 years 10 months 11 days
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152385 days ago417 years 2 months 18 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152712 days ago418 years 1 months 10 days