Launched by Space Shuttle Discovery in 1990, Hubble has circled Earth more than 97,000 times and provided more than 4,000 astronomers access to the stars not possible from inside Earth''s atmosphere. Hubble has helped answer some of science''s key questions and provided images that have awed and ...
With Root Cyclone technology, this bagless upright vacuum maintains strong suction. Telescopic wand extends to 17' with the touch of a button, for easy access to stairs. Features a lifetime HEPA filter. • Certified asthma friendly according to the Asthma and Allergy Foundation of America. • No loss ...
Representing the ultimate in eyepiece design and technology, the new six- and seven-element Series 5000 Ultra Wide Angle eyepieces deliver extremely high resolution, contrast and full-field sharpness over an astounding 82° apparent field-of-view.Features:6.7mm focal length82° apparent field1.25" ...