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Space Facts

Discover planets, stars, cosmology, space missions, and satellites through memorable stats and cosmic records that bring the universe closer in clear, shareable fact cards. Perfect for quick learning and sharing.

648 Facts
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Planets

Planets

256 Facts

Stars & Galaxies

Stars & Galaxi...

130 Facts

Black Holes

Black Holes

21 Facts

Moon

Moon

82 Facts

Mars

Mars

38 Facts

Space Exploration

Space Explorat...

205 Facts

Satellites & Orbit

Satellites & O...

69 Facts

Asteroids & Comets

Asteroids & Co...

47 Facts

Exoplanets

Exoplanets

38 Facts

Solar System

Solar System

288 Facts

Space Stations

Space Stations

40 Facts

Astronauts

Astronauts

75 Facts

Telescopes

Telescopes

85 Facts

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Space Mars
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Ingenuity completed dozens of flights on Mars

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Space Asteroids & Comets
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Hayabusa2 returned samples from asteroid Ryugu

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Triton’s crust is blanketed mostly in frozen nitrogen

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Mars tilts about 25°, enough for Earth-like seasons

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Asteroids & Comets
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ATLAS watches for asteroids that could threaten Earth within days

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Uranus’s magnetosphere is tilted and offset from the planet’s center

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Astronauts
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Microgravity makes fluids form floating spheres

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Space Ozone & Atmosphere
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Orbiting sensors catch lightning flashes worldwide

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Satellites & Orbit
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Explorer 1 discovered Earth’s Van Allen radiation belts

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Spaceflight Vehicles
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Solid rockets ignite once; liquid engines can throttle and stop

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Space Black Holes
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LIGO and Virgo together pinpoint spacetime-ripple sources

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Space Satellites & Orbit
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A GPS constellation keeps shared clocks across the sky

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Space Satellites & Orbit
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Many moons keep one face locked toward their planet

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Space Planets
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A day on Ceres lasts only about nine hours

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Space Planets
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Most of Saturn’s ring material orbits inside the planet’s Roche limit

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Jupiter’s magnetic poles sit about ten degrees off its spin axis

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Winter freezes carbon dioxide frost onto Mars’s polar ground each year

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Planets
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Mount Sharp stacks about five kilometers of layered rock in Gale Crater

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Space Planets
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Leaving Earth takes about 11.2 km/s of escape speed

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Exoplanets
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Oxygen can be a false-positive biosignature without methane context

Shahzad Mahota Published By Shahzad Mahota @shahzad-mahota
Space Satellites & Orbit
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Atmospheric drag slowly pulls low-orbit satellites down

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Space Solar System
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Gonggong is a reddish dwarf-planet candidate in the outer solar system

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Space Spaceflight Vehicles
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Launch windows open when planets and pads align for fuel savings

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Space Moon
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Lunar regolith is sharp dust ground by impacts

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Space Astronomy Basics
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An annular eclipse leaves a ring of fire in the sky

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Space