Andrew Dantzler
Andrew Dantzler
Andrew Dantzler quotes about
atmosphere bringing early earth oceans
Comets may be responsible for bringing the oceans and atmosphere to early Earth.
class science
This is first-class science and we'll do everything we can to give it the go-ahead.
information pluto scientific treasure waiting
Pluto is a treasure trove of scientific information waiting to be discovered.
great nasa solar
This is really a great day for NASA and the exploration of our solar system.