'During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments'
the Hubble Telescope
ASTRONOMY: During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments
During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments
During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments
ASTRONOMY
the Hubble Telescope
ASTRONOMY