6 results for “gravity”
Space & the Universe
Black Holes
gravity Einstein's general relativity says that gravity is not a pull but a bending of space
Article · 3 min read
Space & the Universe
Dark Matter and Dark Energy
gravity is that galaxies are embedded in enormous halos of invisible mass, five or six times
Article · 3 min read
Space & the Universe
The Big Bang
gravity, electromagnetism and the two nuclear forces, had not yet separated into their distinct forms. Within
Article · 4 min read
Space & the Universe
The Life of a Star
Gravity pulls inward, trying to crush the star into the smallest possible ball. The heat of nuclear
Article · 3 min read
Space & the Universe
Galaxies and the Milky Way
gravity. Counting the stars Nobody knows exactly how many stars the Milky Way contains, because we cannot
Article · 4 min read
Space & the Universe
Space Exploration
gravity, and how the human body changes, losing bone and muscle unless they exercise for hours
Article · 3 min read
