Get ready for a rare hybrid solar eclipse on April 20 | 'Hubble trouble' could deepen with new measurements | Space quiz! Hybrid solar eclipses shift from a total eclipse to what other type of eclipse as the moon's shadow races over Earth?
Created for znamenski.spacecom@blogger.com | Web Version
(NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration)
Physicists have improved the accuracy of a technique that uses variable stars to measure distances in the universe, providing a new figure for its expansion rate.
How is the data this pioneering space telescope collects turned into stunning visuals that we can see, understand and marvel at, and how much of this imagery is "real?"