First: What is beyond the beyond? One light-year is about 6 trillion miles. Light travels at a speed of 186,000 miles per second. Our sun is the closest star to us. It is a trip of 93 million miles. Andromeda, the nearest galaxy to our Milky Way, is 2.5 million...
Quantum entanglement’s long journey from spooky to the law of nature. Quantum physics predicts that particles can become entangled. Quantum physics predicts that particles can become entangled. This suggests that two or more particles can be brought together and...
Why does dark energy cause the universe’s expansion at the intergalactic level but not at the interstellar level? One problem is that many popular accounts make it appear that “space” is some substance expanding and dragging stuff along. THIS IS WRONG. Let me...
Why does dark energy cause the universe’s expansion at the intergalactic level but not at the interstellar level? One problem is that many popular accounts make it appear that “space” is some substance expanding and dragging stuff along. THIS IS WRONG. Let me...
Nobody knows how many stars are in space. THE MILKY WAY number is between 200 and 400 billion stars, and there are estimated to be billions of galaxies, so the stars in space are, really. Planets can wander through space without a parent star COSMIC INFLATION IS BACK...
