Space
What lies beyond our sky — galaxies, black holes, and more.
2 facts
There Are More Stars in the Universe Than Grains of Sand on Earth
Estimates put the number of stars in the observable universe at around 10²⁴ — that's a septillion. The total number of grains of sand on Earth is estimated at around 7.5 × 10¹⁸.
April 22, 20263 min4,995
A Day on Venus Is Longer Than a Year on Venus
Venus rotates so slowly on its axis that a single Venusian day (243 Earth days) is longer than it takes Venus to orbit the Sun (225 Earth days).
April 16, 20263 min3,970