Did the Universe Really Begin from Nothing?
From Grains of Sand to Fundamental Particles If the Sun were a single grain of sand on a vast beach, the number of stars in the universe would exceed all ...
Day: February 10, 2026
Why Doesn’t the Universe Fly Apart When Everything Is Spinning?
Motion, Rotation, and an Unexpected Problem When we observe the universe, nothing appears to be truly at rest. From the smallest particles to the largest cosmic structures, everything is in ...
Do All Black Holes Spin, and Does It Matter?
Rotation as a Fundamental Property of Black Holes Rotation, or angular momentum, is one of the most common properties of celestial objects in the universe. Stars rotate, planets rotate, galaxies ...
