Did You Know?
Time passes differently in space due to gravity.
Due to Einstein's theory of relativity, time moves slower in stronger gravitational fields. GPS satellites have to account for this effect - time passes about 38 microseconds faster per day for them than on Earth. Without this correction, GPS systems would drift by about 7 miles per day.
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...
Did You Know?
Some exoplanets orbit around dead stars.
Several planets have been discovered orbiting pulsars, the incredibly dense remnants of exploded stars. The first confirmed exoplanets...