
To put an object into orbit around the Earth takes an impressive amount of power. You have to punch your way through the lower and thicker parts of the atmosphere, gradually change your direction from vertical to horizontal, and accelerate…
To put an object into orbit around the Earth takes an impressive amount of power. You have to punch your way through the lower and thicker parts of the atmosphere, gradually change your direction from vertical to horizontal, and accelerate…
Today’s lesson in orbital mechanics. I was spending New Year’s Day looking over an old 2017 “Year In Space” calendar before recycling it when I found this statement concerning the Spitzer Space Telescope. Spitzer travels in Earth’s orbit but at…