AidSpace Blog

Tag Archives: telescopes

Casting Shadows on the Moon

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Much of the Moon is blanketed by a thick layer of dust, built up from the rocky surface over billions of years by the impacts of small meteorites. Hidden beneath the dust is evidence of ancient geologic activity – great volcanic eruptions, tectonic shifts in the crust, and vast deposits of once-molten material hurled outward   …Continue Reading


Repairing Hubble

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Soon after the Hubble Space Telescope was launched in 1990, images and data from its instruments revealed that its main mirror was optically flawed. It suffered from spherical aberration—not all portions of the mirror focused to the same point. The mirror’s shape was off by less than 1/50th the thickness of a human hair, but   …Continue Reading