搜尋結果
Earth at night as imaged by VIIRS. The Visible Infrared Imaging Radiometer Suite ( VIIRS) is a sensor designed and manufactured by the Raytheon Company on board the polar-orbiting Suomi National Polar-orbiting Partnership (Suomi NPP), NOAA-20, and NOAA-21 weather satellites. [1] VIIRS is one of five key instruments onboard Suomi NPP, launched ...
Fourier-transform infrared spectroscopy ( FTIR) [1] is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas. An FTIR spectrometer simultaneously collects high-resolution spectral data over a wide spectral range.
Infrared thermometer. An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured. They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns ...
The Rockwell B-1 Lancer[b] is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It has been nicknamed the "Bone" (from "B-One").[2][3] It is one of the Air Force's three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress, as of 2024[update]. Its 75,000-pound (34,000 kg) payload is the ...
December 23, 2016. The Kent State shootings (also known as the Kent State massacre or May 4 massacre [3] [4] [5]) were the killing of four and wounding of nine unarmed college students by the Ohio National Guard on the Kent State University campus. The shootings took place on May 4, 1970, during a rally opposing the expanding involvement of the ...
Republic of Korea Air Force. The KAI KF-21 Boramae (formerly known as KF-X) is a South Korean-led fighter aircraft development program with the goal of producing an advanced multirole fighter for the South Korean and Indonesian air forces. [1] [3] The airframe has a reduced RCS, but at present, it does not have internal bays like fifth ...
