LITTLE KNOWN FACTS ABOUT TECHNOLOGICAL WONDERS.

At the middle of those facet-by-side images is usually a Distinctive class of star used to be a milepost marker for measuring the universe’s fee of expansion – a Cepheid variable star. The 2 pictures are very pixelated as they are an extremely zoomed-in perspective of a distant galaxy. Each on the...NASA explores the unfamiliar in air and space