The invention of the telescope.
Stardust fire happened on 1981-02-14.
One of the biggest unsolved mysteries of astronomy is what happened before the Big Bang. The question of what events caused the gigantic explosion have not been explained. The matter that was always present could not remain in a stable condition and just explode all at once. One unsolved mystery of astronomy is the creation of a Type Ia Supernova.
Anything outside the Earth is astronomy.
astronomy, astrophysics
Herschel Museum of Astronomy was created in 1981.
The invention of the telescope.
In the early 1600's, the "Telescope" was invented, this in turn changed astronomy forever.
Sujith
Adventure A happened in 1981.
Jungler happened in 1981.
Gorf happened in 1981.
Bosconian happened in 1981.
Zarzon happened in 1981.
SwordThrust happened in 1981.
Frogger happened in 1981.
Pleiads happened in 1981.