New Space Telescope Compared To Hubble 2021. Hubbles mirror is a much smaller 24 meters in diameter and its corresponding collecting area is 45 m 2 giving Webb around 625 times see calculation more collecting. This galaxy existed only 400 million years after the Big Bang.
By comparison Webbs 30-year-old predecessor the Hubble Space Telescope orbits the Earth from 340 miles away passing in and out of the planets shadow every 90 minutes. For over 30 years the telescope has been the go. The telescope one of the great space observatories following Hubble will be launched on-board the Ariane rocket from Europes spaceport in French Guiana on or after Friday 24 December.
Now why is this important.
For over 30 years the telescope has been the go. Hubbles mirror is a much smaller 24 meters in diameter and its corresponding collecting area is 45 m 2 giving Webb around 625 times see calculation more collecting. NASA now is targeting Dec. It quickly ran into trouble.