2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
1000 days ago2 years 8 months 26 days
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1737 days ago4 years 9 months 2 days
1990
Apr 24
Hubble Launch
Observing space from above.
13305 days ago36 years 5 months 3 days
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
131026 days ago358 years 8 months 26 days
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152339 days ago417 years 1 months 2 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152666 days ago417 years 11 months 25 days