In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The light hitting the earth right now is 30 thousand years old.
163
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20