Answer:

telescope

Answer	Crossword Clue
TELESCOPE	Condense
TELESCOPE	Observatory tool
TELESCOPE	Meteor shower

TELESCOPE	Astronomer's magnifying device
TELESCOPE	Found on Mount Wilson.
TELESCOPE	Our eye into space.
TELESCOPE	Mt. Palomar has the world's largest.
TELESCOPE	Wonder on Mount Palomar.
TELESCOPE	Scientist's instrument.
TELESCOPE	Mount Wilson appurtenance.
TELESCOPE	Palomar instrument.

TELESCOPE	Condense or shorten.
TELESCOPE	Optical instrument.
TELESCOPE	Condense.
TELESCOPE	Galileo's child
TELESCOPE	Galileo used one
TELESCOPE	Lippershey's 1608 creation
TELESCOPE	Hubble, e.g.
TELESCOPE	Shorten

TELESCOPE	One taking the long view?
TELESCOPE	Help for a star witness?