What is a Black Hole? | David Rives

How do you detect something out in space that’s invisible? Well, you observe how the objects near it behave. This gives you clues about the nature of the invisible body. And that’s exactly how scientists have discovered and described black holes. Black holes are not visible through standard technology or telescopes, even though they’ve been … Read More

What Is The Oort Cloud? | David Rives

Have you heard of the Oort Cloud? For years, Cosmologists have discussed some type of Cloud or band that would explain the existence of long-period comets. Maybe a bit of background would be helpful, so let’s back it up a bit, and start with one of the most popular theories for solar system origins. Remember, … Read More