Space exploration pushed the boundaries ... The view was of the moon's far side, which was not visible to Earth, and showed ...
Two satellite photos taken 33 years apart show the disappearance ... He also writes Live Science's weekly Earth from space series.
NASA and the European Space Agency released the photo on Monday. The outflow is about 625 light-years from Earth in one of the closest star-forming regions of our Milky Way galaxy, according to NASA.