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todayilearned
May 11, 2020
TIL that the Voyager probes took more than 40 years traveling at 40,000 mph to leave our solar system, but it will be another 40,000 years before they get anywhere near another star
jupiter
planets
saturn
science and technology
solar system
space
spacecraft
stars
uranus
voyager 2
todayilearned
Apr 20, 2020
TIL researchers have observed that the rotation axes of the central supermassive black holes in a sample of quasars are parallel to each other over distances of billions of light-years. The rotation axes of these quasars tend to be aligned with the vast structures in the cosmic web.
alma
astronomie
astronomy
astrophysics
chile
comets
detectors
elt
eso
eso.org
galaxies
garching
la silla
nebulae
ntt
paranal
planets
stars
suedsternwarte
telescopes
universe
vlt
vlti
todayilearned
Mar 26, 2020
TIL Columbus was marooned on the shores of Jamaica in 1503. The indigenous people gave his crew food but were tired of them stealing. After several months of this, they refused to help. Then Columbus used an upcoming blood moon to convince them God was mad at them. They started giving food again.
astronomers
astronomy
celestial
comet
eclipse
foreboding
moon
myth
omens
planets
predictions
sky
space
stars
sun
todayilearned
Mar 18, 2020
TIL Christopher Columbus used a book of astronomical tables when the next lunar eclipse would take place and use it to warn the indigenous people in Jamaica to treat his crew better or else the moon would rise red. Lunar eclipse happened, and they pleaded Columbus to restore the moon.
astronomers
astronomy
celestial
comet
eclipse
foreboding
moon
myth
omens
planets
predictions
sky
space
stars
sun
todayilearned
Jun 29, 2019
TIL that in the the Milky Way Galaxy alone, there are at least 25 billion places where life could exist.
earth
extraterrestrial life
light
planets
scientists
solar system
space
space exploration
spacecraft
stars
telescope
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