Science
Space telescopes are great — so why do we still build ground-based ones? – The Next Web
At the dawn of the 17th Century, Galileo Galilei began the first major search of the night sky (as well as the Sun!) using a new Dutch invention — the telescope. In the era …
Just as the Hubble Space Telescope was starting its mission at the beginning of the 1990s, adaptive optics were developed a technology that removes much of the image wavering caused by the atmosphere, using a small, deformable mirror. Distortions from a point of light (like a star) are measured, and the mirror is bent in the opposite direction of the distortion, correcting the image of the main target seen by the astronomer. These corrections can be made more than 1,000 times every second.
Sinc…
-
General7 hours agoToo skewed, too gentlemanly | The Spectator Australia
-
General5 hours agoCoroner to examine treatment of woman who died three days after surgery performed by former Queensland premier’s partner
-
Business5 hours agoWhy Antipa, Cettire, Magnetic Resources, and Steadfast shares are pushing higher
-
General8 hours agoAlbanese beats drum on economy as trade clouds gather