Did You Know?
Mercury has ice in its craters despite being the closest planet to the Sun.
Despite surface temperatures that can reach 800°F (427°C), Mercury's poles contain craters that never receive sunlight. These permanently shadowed regions are cold enough to preserve water ice, estimated to be millions of years old. Radar observations suggest there could be enough ice to cover Washington, D.C.
Did You Know?
The most magnetic object known is a special type of neutron star.
Magnetars are neutron stars with magnetic fields so powerful they could wipe a credit card's data from halfway...
Did You Know?
The most reflective planet in the solar system is Venus.
Venus reflects about 70% of the sunlight that reaches it, thanks to its thick cloud cover of sulfuric...
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Some exoplanets orbit around dead stars.
Several planets have been discovered orbiting pulsars, the incredibly dense remnants of exploded stars. The first confirmed exoplanets...