NgenForce's The Weekly Gist

Here's the gist of each lesson sent this week.

Monday: Where Does Water on Earth Come From?

Water on Earth came from meteorite rocks that hit the Earth billions of years ago. These specific kind of rocks are called chondrites and can be found in many natural history museum collections around the world, including in London, New York, Prague, and Padua. Chondrites look like this:

Various chondrite samples from meteorites that hit Earth