One big change they note: the number of exo-planets discovered has exploded, from 200 or so to several thousand.
These glimpses may confirm our most current ideas of early cosmic history and galaxy formation, or turn them on their head.
The NASA telescope has been successfully launched into space and has reached its destination, known as the Lagrange Point 2.
Yes, rainbows are beautiful, but are they good for anything? Indeed, they have been very important for science.
What are we to make of this radical discontinuity between the Earth and the rest of the cosmos?