épinglé par Astronomical Events Check out our calendar of some of astronomical events for sky watchers. Most of these natural occurrences can be observed with the naked eye but use a pair of binoculars or a telescope for best viewing.
This has most likely been posted here before, but it's incredibly useful.
Human Body Ingredients via imaginaryfoundation: 'The average human has approximately 100 trillion cells and each cell is made of approximately 100 trillion atoms, each of which were originally created in the center of a star.
A huge advance in physics could help solve these mysteries of the universe