Engineering & Technological info

Mysterious The Great Attractor    If you’ve been following my article series recently, you’ll notice that we’ve talked a lot about how the universe is structured, filament structures of galaxies being pulled apart by the universe’s expansion, with bubbles or voids forming in the gaps. Because of the universe’s expansion, everything is moving away from everything. But of course, this isn’t totally true in practice, due to a mysterious force called gravity.     Gravity is a pulling force, or technically it is the curvature of space-time caused by uneven distribution of mass. On very small scales, gravity is hardly relevant at all. I don’t feel any pull towards objects around me, only towards the Earth because it is so massive. Celestial objects close enough to the Sun are most influenced by its gravity, and all stars in the galaxy orbit around a supermassive black hole at the galaxies core. But i...

Space Debris Earth Actual Look From The Space   This is the actual look of the planet Earth from the Space. The junk you see around is called Space Debris. Since the beginning of spaceflight, over 9,000 satellites have been launched into orbit. But with the speed of launches increasing exponentially, space is close to get much busier. In addition to every satellite currently in Earth’s orbit, there is around 100,000 tonnes of debris, most of which is too small for us to track. But what proportion damage can a small object really do to a spacecraft? And how do we shield the ISS from such dangers?     In this article, we’re going to look at the powerful physics behind space impacts. We’re also going to look at the different methods used to shield the ISS and how we put them to the test here on Earth. Out of all the objects hurtling around Earth, only those larger than a baseball are often tracked. If a spacecraft is on a path to collide with a piece of...