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2.
An unusally large aperatus for the project at hand. Generally used in the medical and/or scientific fields, though not always. Refers to the famous space telescope that allows Earth scientists to see the farthest reaches of this galaxy and others.

Is more and more used to describe unusally large objects in general.
Event: Kelly sees Jon using a arch welder to light his cigarette.

Kelly says, "Look at Jon using the hubble telescope over there"

Event: Sam was in need of a biopsy and the instrument the doctor used was very big.

Sam says, "I don't know why you need the hubble telescope to see it"

Event: Tara noticed that Larry had very large hands.

Tara says, "Best be keeping your hubble telescopes away from me"
by TamTamInTheBay October 01, 2006
 
1.
the best astronomy tool. ever.
I am doing my History Day project on the HST
by seismographitti 00 January 08, 2005