WebThe Van Allen Probes (VAP), formerly known as the Radiation Belt Storm Probes (RBSP), were two robotic spacecraft that were used to study the Van Allen radiation belts that surround Earth. NASA conducted the Van Allen Probes mission as part of the Living With a Star program. Understanding the radiation belt environment and its variability has …

WebA telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally meaning only an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects, the word telescope now refers to a wide range of instruments capable of detecting different …

WebThe Spitzer Space Telescope, formerly the Space Infrared Telescope Facility (SIRTF), was an infrared space telescope launched in 2003. Operations ended on 30 January 2020. Spitzer was the third space telescope dedicated to infrared astronomy, following IRAS (1983) and ISO (1995–1998). It was the first spacecraft to use an Earth-trailing orbit, later …

WebThe telescope is to carry two instruments. WFI The Wide-Field Instrument (WFI) is a 300.8-megapixel camera providing multi-band visible to near-infrared (0.48 to 2.30 µm) imaging using one wideband and six narrowband filters.A HgCdTe-based focal-plane array captures a 0.28 square degree field of view with a pixel scale of 110 milliarcseconds. The detector …

WebThe Square Kilometre Array (SKA) is an intergovernmental radio telescope project being planned to be built in Australia (low-frequency) and South Africa (mid-frequency). The combining infrastructure, the Square Kilometre Array Observatory (SKAO) is located in the United Kingdom.Conceived in the 1990s, and further developed and designed by the late …

WebThe Karl G. Jansky Very Large Array (VLA) is a centimeter-wavelength radio astronomy observatory located in central New Mexico on the Plains of San Agustin, between the towns of Magdalena and Datil, ~50 miles (80 km) west of Socorro.The VLA comprises twenty-eight 25-meter radio telescopes (twenty-seven of which are operational while one is always …

WebPaul Gardner Allen, né le 21 janvier 1953 à Seattle (État de Washington, États-Unis) et mort le 15 octobre 2018 dans la même ville, est un informaticien, chef d'entreprise, homme d'affaires et mécène américain.Pionnier et visionnaire dans le domaine de la micro-informatique, il cofonde en 1975, avec Bill Gates, la société Microsoft.Il est aussi patron …

WebThe Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope, surpassing the Effelsberg 100-m Radio Telescope in Germany. The Green Bank site was part of the National Radio Astronomy Observatory (NRAO) until September 30, 2016. Since October 1, 2016, the telescope …

WebPaul Gardner Allen (January 21, 1953 – October 15, 2018) was an American business magnate, computer programmer, researcher, investor, and philanthropist.He co-founded Microsoft Corporation with childhood friend Bill Gates in 1975, which helped spark the microcomputer revolution of the 1970s and 1980s. Microsoft became the world's largest …

WebThe world's largest filled-aperture (i.e. full dish) radio telescope is the Five-hundred-meter Aperture Spherical Telescope (FAST) completed in 2016 by China. The 500-meter-diameter (1,600 ft) dish with an area as large as 30 football fields is built into a natural karst depression in the landscape in Guizhou province and cannot move; the feed antenna is in …