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The December flight was the 18th for the Orion, logging 158 total flight hours. Aurora hoped the flight would convince the Air Force to procure the Orion for persistent surveillance, and the company looked at several other roles including a communications relay and to compete against the MQ-4C Triton naval recon UAV. [2] [4] [5] [6]
Orion just made its final pass around the moon on its way to Earth, and NASA has released some of the spacecraft's best photos so far. Taken by a high-resolution camera (actually a heavily ...
Orion ED120 apo refractor on Orion's Sirius EQ-G "GoTo" and GPS equipped German equatorial mount with portable 12 volt power supply. Orion sold a range of telescopes that they characterize as "beginner", "intermediate" or "advanced", including Newtonians, Maksutovs, Schmidt-Cassegrains, Ritchey-Chrétiens and refractors with or without (sold as optical tube assemblies or "OTA") a variety of ...
In 2020, the Russian Defence Ministry received the first batch of Orion drones for trial operation. By 9 April during the 2022 Russian invasion of Ukraine, there was video confirmation of Orion performing six successful strikes on Ukrainian vehicles, however the first combat loss of a drone was reported on 7 April. [12]
Humans have a slightly over 210-degree forward-facing horizontal arc of their visual field (i.e. without eye movements), [4] [5] [6] (with eye movements included it is slightly larger, as you can try for yourself by wiggling a finger on the side), while some birds have a complete or nearly complete 360-degree visual field. The vertical range of ...
Lobster-eye optics are a biomimetic design, based on the structure of the eyes of a lobster with an ultra wide field of view, used in X-ray optics. This configuration allows X-ray light to enter from multiple angles, capturing more X-rays from a larger area than other X-ray telescopes .
It was conducted by 20 observatories all using special photographic telescopes with a uniform design called normal astrographs, all with an aperture of around 13 in (330 mm) and a focal length of 11 ft (3.4 m), designed to create images with a uniform scale on the photographic plate of approximately 60 arcsecs/mm while covering a 2° × 2 ...
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