picture articles
What was the specific star targeted by the very first photograph taken by the Hubble Space Telescope in space?
On what date was the crucial initial image, intended to confirm optical alignment, reportedly taken?
What was the fundamental optical flaw that caused the initial Hubble images to appear blurry?
What size, in meters, is the primary mirror of the Hubble Space Telescope?
What specific component of the telescope's system was confirmed to be working by the first, blurry image?
Which instrument was designed to act like corrective eyeglasses to fix the mirror flaw during the servicing mission?
Which Space Shuttle launched the Hubble Space Telescope in the spring of 1990?
What was the designation of the servicing mission that installed corrective optics?
Where did the initial data indicate the location of the focusing error was within the optical path?
How much time elapsed between the initial flawed test shot in May 1990 and the corrective servicing mission in December 1993?
Why can't we take a single photograph of the Milky Way's entire structure?
What is the estimated span across the Milky Way galaxy?
How far is the Solar System located from the Milky Way's central bulge?
What term do astronomers use for the obscuring effect of dust toward the Galactic Center?
Which wavelengths effectively pierce the obscuring interstellar dust clouds?
What specific signal do radio telescopes detect to map the Milky Way's structure?
What classification is given to the Milky Way galaxy's structure?
Why does the Andromeda Galaxy (M31) appear as a complete spiral shape in images?
What characterizes an Artist's Conception image of the Milky Way?