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A multiple star system consists of two or more stars that appear from Earth to be close to one another in the sky. [dubious – discuss] This may result from the stars actually being physically close and gravitationally bound to each other, in which case it is a physical multiple star, or this closeness may be merely apparent, in which case it is an optical multiple star [a] Physical multiple ...
Screen capture from Windows on Earth showing the coast of Peru with three marked targets, orbital track, and the 10-minute look-ahead. Windows on Earth provides the user a view of Earth from an astronaut's viewpoint, with interactive photorealistic views of Earth as if seen from an altitude of 360 km. [5] The program uses GeoFusion's digital Earth visualization system, which renders accurate ...
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Star Maps from Ian Ridpath's Star Tales website. The Mag-7 Star Atlas Project; Historical Celestial Atlases on the Web; Felice Stoppa's ATLAS COELESTIS, an extensive collection of 51 star maps and other astronomy related books stored as a multitude of images. Monthly star maps for every location on Earth Archived 2007-09-13 at the Wayback Machine
[7] [8] The app was updated with new features in Windows Phone 8.1 where the Maps app took on a Purple paper map-looking logo. [2] [3] Bing Maps at the time was powered by Nokia's data, which later became HERE Maps. [9] Windows Maps on Windows 10 Mobile then changed the layout of the Maps app, including the logo. Since coming out of preview ...
A celestial map by the Dutch cartographer Frederik de Wit, 1670. A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [1] They have been used for human navigation since time immemorial. [2]
Kepler-11e, which formed within the first few million years of the star system's formation, [9] has a mass 8.4 times that of Earth's, and radius 4.52 times that of Earth's. With a density of 0.5 grams/cm 3 , Kepler-11e has a density that is half of that of pure water at standard temperature and pressure and slightly less than the density of ...
Botanical illustration of a pōhutukawa sprig by Ellen Cheeseman. Pōhutukawa (Metrosideros excelsa), [2] also known as the New Zealand Christmas tree, [3] [4] or iron tree, [5] is a coastal evergreen tree in the myrtle family, Myrtaceae, that produces a brilliant display of red (or occasionally orange, yellow [6] or white [7]) flowers, each consisting of a mass of stamens.