Learn the essentials of astrophotography calibration and discover how to avoid common mistakes and misconceptions. This guide ...
When you think of telescopes in space, you probably think of the Hubble Space Telescope and its younger, larger sibling, the ...
What new methods can be employed to help astronomers distinguish the light from an exoplanet and its host star so the ...
Why build a telescope? YOLO, as the kids say. Having decided that, one must decide what type of far-seer one will construct. For his 10″ reflector, [Carl Anderson] once again said “Yolo”— this time ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a metal scale model of a ...
Lying just to the northeast and southwest of Alkaid, the last star in the handle of the Big Dipper, is a pair of small smudges of light visible in a pair of binoculars on a dark, moonless night. The ...
Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...
Abstract: We reduce the aberrations in a segmented reflecting telescope composed of seven identical concave mirrors by correcting the point spread functions (PSFs) using a a spatial light modulator.
In recent decades, we've learned huge amounts about the universe and its history. The rapidly developing technology of telescopes—both on Earth and in space—has been a key part of this process, and ...
The waning crescent moon illuminates the brick sidewalks as students and various guests hurry towards the small circular tower across from Hoaglin Wellness Center. Nighttime at Denison is usually calm ...
The installation of the main reflector for the antenna system of the 40-meter-aperture radio telescope completes in Shigatse, Xizang autonomous region, Oct 7, 2024. [Photo/CCTV News] The main ...
An illustration of a magnifying glass. An illustration of a magnifying glass.