The castings of the 15-metric ton, off-axis mirrors for the Giant Magellan Telescope forced engineers to push the design and manufacturing process beyond all previous limits
Did you know Io’s shadow sails across the face of Jupiter at 38,000 mph (17 kilometers per second)!
Photograph by NASA, ESA, and the Hubble Heritage Team (STScI/AURA) Although NASA’s Hubble Space Telescope has taken many breathtaking images of the universe, one snapshot stands out from the rest: the iconic view of the so-called “Pillars of Creation.” The jaw-dropping photo, taken in 1995, revealed never-before-seen details of three giant columns of cold…
SIDEWALK ASTRONOMY Photograph by piranhasaurusTex on reddit How cool is this! Spotted at a parking lot in Houston, Texas (Memorial Drive and Dairy Ashford Road) was this guy with a ‘Dobsonian‘ telescope and a sign that reads: This is a telescope. Come take a look at Jupiter. Free According to Wikipedia:…
A ROSE MADE OF GALAXIES Photograph by NASA/ESA/STScI/AURA In celebration of the 21st anniversary of the Hubble Space Telescope’s deployment into space, astronomers at the Space Telescope Science Institute in Baltimore, Md., pointed Hubble’s eye to an especially photogenic group of interacting galaxies called Arp 273. The larger of the spiral galaxies,…
OBSERVING MARS IN 1926 Photograph via Smithsonian Institution In this photo from 1926, we see George A. Van Biesbroeck (1880-1974), an astronomer at Yerkes Observatory, observing Mars when it approached close to the Earth that year. Van Biesbroeck is shown using the observatory’s 40 inch refracting telescope, the largest of its kind…
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