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The Paris Observatory predates by a few years the Royal Greenwich Observatory in England, which was founded in 1675. The English philosopher John Locke visited the Paris Observatory on 28 August 1677, which he recorded in his journal: "At the Observatory we saw the Moon in a twenty-two foot glass, and Jupiter, with his satellites, in the same ...
The length of polar night varies by latitude from 24 hours just inside the polar circles to 179 days at the poles. As there are various kinds of twilight, there also exist various kinds of polar twilight that progress towards true polar night. Each kind of polar night is defined as when it is darker than the corresponding kind of twilight.
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.
Astronomy Centre: 1982 Todmorden, England Astronomy Tower of the Sorbonne: 1885–1909 (only for amateur use since 1980) Paris, France Astrophysical Institute Potsdam: 1992 Potsdam, Germany Atacama Pathfinder Experiment (APEX) 2003 Llano de Chajnantor Observatory, Chile Australia Telescope Compact Array: 1988 Narrabri, Australia
Sigma Octantis is the closest near naked-eye star to the south celestial pole, but at apparent magnitude 5.47 it is barely visible on a clear night, making it less useful for casual navigational or astronomy alignment purposes. [14] [15] It is a yellow giant 294 light years from Earth. Its angular separation from the pole is about 1° (as of 2000).
Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...
The youtube channel of J.-P. Luminet with more than 300 videos of conferences and interviews. Jean-Pierre Luminet at IMDb; Bringing Black Holes down to Earth, in European Science Awards 2007; Getting to know Jean-Pierre Luminet in European Science and Technology, issue 10 (2011) Inference: The International Review of Science
Star Gazers (formerly known as Jack Horkheimer: Star Hustler and later Jack Horkheimer: Star Gazer) is a short astronomy show on American public television previously hosted by Jack Horkheimer, executive director of the Miami Space Transit Planetarium.