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Ever since Galileo Galilei adapted a Dutch invention for astronomical use, astronomical telescope making has been an evolving discipline. Many astronomers after the time of Galileo built their own telescopes out of necessity, but the advent of amateurs in the field building telescopes for their own enjoyment and education seems to have come into prominence in the 20th century.
Car auctions United States — [5] June 22, 1999: Alando: Auction house Germany $ 43,000,000 [6] October 1999: Blackthorne Listing tool United States — [7] June 13, 2000: Half.com: Online marketplace United States $ 318,000,000 [8] December 12, 2000: Precision Buying Service [note 1] E-commerce payment systems United States — [9] January 8 ...
In 2001, the artists Mendi and Keith Obadike listed Keith's "blackness" for sale on eBay under the "Black Americana" category as part of an art project, "Blackness for Sale." [42] [43] [44] The act was seen as a comment on the commodification of racial identity [45] and as a reference to slave auctions. [46] The auction was eventually shut down ...
Sentinel Space Telescope: Proposed space telescope Sentry (monitoring system) Siding Spring Survey: 2004 2013 Space Situational Awareness Programme: 2009 [5] Spacewatch: 1984 [6] Ukrainian Optical Facilities for Near-Earth Space Surveillance Network: Vera C. Rubin Observatory: 2024 Ground-based survey telescope (under construction)
This list contains proposals for space telescopes, space-based (situated in space) astronomical observatories. It is a list of past and present space observatory plans, concepts, and proposals. For observatories in orbit, see list of space telescopes. Unlike that list, this one includes concepts and proposals that are unlikely ever to be ...
1. Gigayacht. Sold for: $168 million Roman Abramovich, a Russian billionaire, must have been staring at an empty dock for a while now, because the 168 milly he shelled out for a 400-foot yacht is ...
For instance, a telescope was referred to as a "geranium", which is a type of flower. A "potted geranium" referred to a telescope in a tube and rocker, while a "geranium in bloom" referred to a telescope whose mirror was now aluminized. [5] Eventually Dobson was given the option of ceasing his telescope building or leaving the order. He chose ...
Texas A&M Astronomical Observatory is an astronomical observatory owned and operated by Texas A&M University's Department of Physics. It is located in College Station, Texas, USA. Latitude: N 30° 34' 21.78" Longitude: W 96° 21' 59.94" Elevation: 283 ft. (86.2584 m)