Astronomical phenomenon
event involving astronomical objects
BLC1
meteor shower
1833 meteor shower
solstice
cosmic background radiation
supernova impostor
geomagnetic storm
meteor
equinox
syzygy
eclipse
Glitch
cosmic microwave background
fast radio burst
tidal disruption event
sunset
The Day the Earth Smiled
conjunction
sunrise
gravitational wave event
transient astronomical event
Failed supernova
diamond ring effect
total solar eclipse
hybrid solar eclipse
partial eclipse
guest star
Wow! signal
Andromeda–Milky Way collision
quasi-periodic oscillation
supernova
impact event
moonrise
Meteorite fall
partial solar eclipse
annular solar eclipse
nova
solar phenomena
Transit of Phobos from Mars
stellar collision
Baily's beads
planetary differentiation
moonset