Acting a bit like a lens for a camera, Vantablack basically prevents lens glass in powerful telescope, reducing that stray light allows us to see some of the faintest, and most distant objects in the universe.
It told of how scientists rode a balloon to an altitude of 80,000 feet to make telescope observations of Venus's atmosphere and how their discovery of water raised hopes that there could be living things there.
For example, the Hubble space telescope has four struts that support its small secondary mirror, and their imprint causes the 4-pointed stars in hubble photos.
Though Galileo observed dark spots on the sun through his telescope several hundred years ago, didn’t he? Which brings us on to another question: How old is the sun?