雅虎香港 搜尋

搜尋結果

  1. The Observatory was established on 2 March 1883 as the Hong Kong Observatory by Sir George Bowen, the 9th Governor of Hong Kong, with William Doberck [ sv ] (1852–1941) as its first director. Early operations included meteorological and magnetic observations, a time service based on astronomical observations and a tropical cyclone warning ...

  2. en.wikipedia.org › wiki › ObservatoryObservatory - Wikipedia

    Space-based observatories are telescopes or other instruments that are located in outer space, many in orbit around the Earth. Space telescopes can be used to observe astronomical objects at wavelengths of the electromagnetic spectrum that cannot penetrate the Earth's atmosphere and are thus impossible to observe using ground-based telescopes.

  3. List of astronomical observatories. This is a partial list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and location. The list also includes a final year of operation for many observatories that are no longer in operation.

  4. The Herschel Space Observatory was a space observatory built and operated by the European Space Agency (ESA). It was active from 2009 to 2013, and was the largest infrared telescope ever launched until the launch of the James Webb Space Telescope in 2021. [5] .

  5. IceCube Neutrino Observatory. /  89.99000°S 63.45306°W  / -89.99000; -63.45306. The IceCube Neutrino Observatory (or simply IceCube) is a neutrino observatory developed by the University of Wisconsin–Madison and constructed at the Amundsen–Scott South Pole Station in Antarctica. [1] The project is a recognized CERN experiment (RE10).

  6. Spitzer →. The Chandra X-ray Observatory ( CXO ), previously known as the Advanced X-ray Astrophysics Facility ( AXAF ), is a Flagship-class space telescope launched aboard the Space Shuttle Columbia during STS-93 by NASA on July 23, 1999. Chandra was sensitive to X-ray sources 100 times fainter than any previous X-ray telescope, enabled by ...

  7. en.wikipedia.org › wiki › AstronomyAstronomy - Wikipedia

    Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.

  1. 其他人也搜尋了