There are hundreds of impact craters found around the world, but less than 50 that are considered Large (over 20km in diameter). As an example, one of the most well-known and best preserved craters is Barringer crater in Arizona (35°2′N 111°1′W), which is just over 1km in diameter, and was created by a nickle-iron meteor, which was about 50m (54yards).
Anyone of us wondered at least once in his lifetime, exactly where is the coldest place on the planet. Either we put this question in a blizzard and cold evening winter, or simply because we are curious to know more about world in which we live, there are places on our planet where the temperature drops to almost unimaginable levels.
Many of today’s cities are crowded centers of poverty, disease, and unimaginable brutality. In a world of fathomless technology, far too many people struggle just to stave off the grinding of starvation. Here is a list of the worst places around the world.
In recent years, the myth that we can clearly see the Great Wall of China from space has been largely busted. Although the wall is long, it’s not very wide and blends in too well with the surrounding environment. While that realization might be somewhat disappointing, there are still plenty of earthly things we can see from space, especially when in low Earth orbit—where satellites and the International Space Station (ISS) hang out.
Earth is about to have a close encounter with a house-sized asteroid on Sunday (Sept. 7), when a space rock discovered just days ago will zoom by our planet at a range closer than some satellites.
In case you need a reminder that the solar system was a harsh place to grow up, the early Earth looks like it was in the middle of a shooting gallery. Asteroids and comets that repeatedly smashed into the early Earth covered the planet’s surface with molten rock during its earliest days.
Quick—are you dreaming right now? How do you know? After all, lots of dreams are pretty mundane, and you spend an awful lot of time reading lists, so it could certainly be that this website seeped into your subconscious.
You may have noticed the moon looked bigger and brighter than usual this weekend. When the moon is full while its orbit is closest to Earth it’s known as a “supermoon,” creating an illusion of a dramatically large luminous sphere when viewed close to the horizon. This is what occurred over the weekend when the moon was at its fullest and still appeared brighter than normal.