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Top 10 Scary Astronaut Stories

Top 10 Scary Astronaut Stories Today, we share real accounts of people who have been to space - the scary things they experience, the unexplained sightings, and the memories that haunted them for years after.  10.  The Knocking - In 2003, Yang lee become the first Chinese person in space. It was a horrific occasion, but it also becomes famous for a creepy occurrence. In 2016, Yang told in an interview that he heard someone knocking on the outside of the spaceship on that trip, he described it as sounding like a wooden hammer hitting on the iron bucket. He tried to peek out of the porthole but he couldn't see anything outside. When he got back to earth, Yang described the sound to expert, he even tried to recreate it for them - but nobody could identify it. In the year since, many people have tried to explain this strange phenomenon. some say that it could have been some space debris but some others say that this is unlikely as space debris is few and far be...
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Stars: Classification of Stars and how they categorize.

At first, glance stars pretty much all look alike. Twinkling dots scattered across the sky. When we look closely we see the difference. Some look brighter and some look dull, sometimes that due to them being at different distances but it’s also true that stars emit a different amount of light too. If we look through Binoculars or take pictures of them, we'll see that they're all different colors, too. Some looks white and some looks red, orange. A spectrum is a result when we divide the incoming light from an object into individual colors or wavelengths. This reveals the vast amount of physical data about the object. But in the late 1800s we were only starting to figure out, Interpreting stellar spectra was a tough problem. The spectra we measure from the star are a combination of two different kinds of spectra. Stars are hot, dense balls of gas, so they give off a continuous spectrum; that is they emit light of all wavelengths. However, stars also have an atmosph...
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Moon Phases

Moon Phases  Besides the Sun, the Moon is the most obvious object in the sky. Bright silvery with tantalizing features on its face, it's been the target of our imagination, poetry, science and even the occasional rocket.  If we pay most the most cursory attention to it, we'll see that it changes everyday; sometimes it's up in the day, sometimes at night , and even its shape is always changing.  What's causes this Behavior?  The moon is basically a giant ball of rock 3500 km across in space. It's surface is pretty dark, with about the same reflectively as a chalkboard or asphalt. However, it looks bright to us because it's sitting in full sunlight; the sun illuminates it, and it reflects that light down to us here on Earth. And because it's a sphere, and orbiting the Earth, the way we see it lit by the Sun changes with time. That's what's causes its phases : Geometry.  The important things to remember through all is; ...
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