One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The light hitting the earth right now is 30 thousand years old.
163
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A comet's tail always points away from the sun.
2
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25