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The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. [1]
The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO and Virgo collaborations on 11 February 2016. [3] [4] [5] Previously, gravitational waves had been inferred only indirectly, via their effect on the timing of pulsars in binary star systems.
Currently, the most sensitive ground-based laser interferometer is LIGO – the Laser Interferometer Gravitational Wave Observatory. LIGO is famous as the site of the first confirmed detections of gravitational waves in 2015. LIGO has two detectors: one in Livingston, Louisiana; the other at the Hanford site in Richland, Washington.
Solar and Heliospheric Observatory (SOHO) 1996 Earth–Sun L1 point: Solar Space Telescope: 2009 709 km SSO; life: 3 years Sommers–Bausch Observatory: 1949 Boulder, Colorado, US Sonnenborgh Observatory: 1853 Utrecht, Netherlands Sonoma State Observatory: 1976 Rohnert Park, California, US South African Astronomical Observatory. Cape Town ...
Stargazing Live is a British live television programme on astronomy that was broadcast yearly on BBC Two over three nights every winter from 2011 to 2017. The series was primarily presented by scientist Brian Cox and comedian and amateur astronomer Dara Ó Briain with support from TV presenter and biochemist Liz Bonnin and astronomer Mark Thompson.
Number 3.Utah potash mining ponds. Vast expanses of the valuable potassium-rich mineral, which is often used to fertilize crops, are drawn from the Earth at this site.
An automatic computer search of the LIGO-Hanford datastream triggered an alert to the LIGO team about 6 minutes after the event. The gamma-ray alert had already been issued at this point (16 seconds post-event), [21] so the timing near-coincidence was automatically flagged. The LIGO/Virgo team issued a preliminary alert (with only the crude ...
Here are all the best films you can stream on Freevee, Amazon's free, ad-supported TV service. ... and is loosely based on the life of, comedian Pete Davidson as he matures, explores mental health ...