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Space Travel

Aeronautics, Guide to Space, Physics

What Is Air Resistance?

17 May , 2016 by Matt Williams

Simply put, air resistance (aka. drag) describes the forces that act opposite to an object’s velocity as it travels through an atmosphere

aerodynamics, air resistance, drag, force, shockwave, sound barrier, spaceflight, supersonic

Guide to Space

How Quickly Does a Supernova Happen?

9 Apr , 2015 by Fraser Cain

When a massive star reaches the end of its life, it can explode as a supernova. How quickly does this process happen? Our Sun will die a slow sad death, billions of years from now when it runs out of magic sunjuice. Sure, it’ll be a dramatic red giant for a bit, but then it’ll […]

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elements, helium, Hubble Space Telescope, Hydrogen, shockwave, stars, supernova

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