2024
Jan 1
ELT Construction
Extremely Large Telescope being built.
905 days ago2 years 5 months 23 days
2021
Dec 25
James Webb Launch
Most powerful infrared telescope.
1642 days ago4 years 5 months 30 days
1990
Apr 24
Hubble Launch
Observing space from above.
13210 days ago36 years 2 months
1668
Jan 1
Newtonian Reflector
Isaac Newton invents reflecting telescope.
130931 days ago358 years 5 months 23 days
1609
Aug 25
Galileo Observation
First to use telescope for astronomy.
152244 days ago416 years 9 months 30 days
1608
Oct 2
Hans Lippershey
First patent for a telescope.
152571 days ago417 years 8 months 22 days