An alien invasion by secular and militaristic extraterrestrials would solve one of the biggest problems we have here on Earth. That problem being: does life exist on other planets? Finally we would have an answer!
Proxima Centauri, is our nearest star, about 4 light years away. A light year is the distance light travels in one year, or 9,460,730,472,581 kilometers. That's 9.46 trillion kilometers, or about 5.88 trillion miles. The fastest space ship we ever built was the Juno spacecraft, which in 2016 broke all speed records in space with a... Continue Reading →
Spoiler alert - in the future there never will be artificial gravity - astronauts won't be able to walk around in spaceships. In the movies most spaceships like the Starship Enterprise employ a convenient technology they call "artificial gravity" to overcome this weightlessness problem. In a few movies they even rotate parts of the ship,... Continue Reading →
This is a no frill video (no audio) produced by scientists, to depict just how much junk "litter" we have floating around up in space, some of it going 35,000 miles per hour. Just something to think about.
This rather large SpaceX rocket is called the Falcon Heavy. Inside is the automobile below, which SpaceX hopes to launch in orbit around Mars with a flight schedule February 6, 2018 (assuming it doesn't blow up on the launchpad). You just can't make this stuff up. The automobile, which belongs to the founder of SpaceX... Continue Reading →
Great question, and you see, that’s what we mean when we say everything is relative. Your “speed” is always relative to something else. If you don’t compare it to something else, you might as well be standing still. Relative to you, the other spaceship is standing still. You are both just floating there while Earth quickly moves... Continue Reading →
A thought experiment: I was imagining a scenario where a spaceship tethered their compatriot and lowered him near the event horizon & then pulled him back towards the spaceship before being pulled into the black hole. Wouldn’t time go by quicker for him? Would there be a discrepancy in their ages? Not very far away... Continue Reading →