On November 12, 1833, there was a meteor shower so intense that it was possible to see up to 100,000 meteors crossing the sky every hour. At the time, many thought it was the end of the world, so much so that it inspired this woodcut by Adolf Vollmy.
Difference between Arctic and Antarctic : The Arctic is a frozen ocean surrounded by landmasses and The Antarctic is a frozen landmass surrounded by ocean .
by ryur4774
This is how Jupiter has protected earth for billions of years. The gravity of Jupiter keeps most asteroids and space rocks away from Earth. Without it earth would most likely be uninhabitable for humans. Mad respect for Jupiter.
by Follow_me_344
Gravitational map of the Earth . NASA's GRACE satellite has generated a geoid map of the earth based on the magnitude and shape of the globe and shows us an interesting image.