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Lidar ( / ˈlaɪdɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
A telescope in the Very Large Telescope system producing four orange laser guide stars A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.The word laser is an anacronym that originated as an acronym for light amplification by stimulated emission of radiation.
The Tre Cime di Lavaredo ( Italian for 'Three Peaks of Lavaredo'; pronounced [ˌtre tˈtʃiːme di lavaˈreːdo] ), also called the Drei Zinnen ( German for 'Three Merlons '); pronounced [ˌdʁaɪ ˈtsɪnən] ⓘ ), are three distinctive battlement -like peaks, in the Sexten Dolomites of northeastern Italy. They are one of the best-known ...
Leonardo di ser Piero da Vinci [b] (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. [3] While his fame initially rested on his achievements as a painter, he has also become known for his notebooks, in which he made ...
It was established as a National Park in 1959. Torres del Paine National Park is part of the Sistema Nacional de Áreas Silvestres Protegidas del Estado de Chile (National System of Protected Forested Areas of Chile). In 2013, it measured approximately 181,414 hectares (700 sq mi). [1] It is one of the largest and most visited parks in Chile.
Lightning is a natural phenomenon formed by electrostatic discharges through the atmosphere between two electrically charged regions, either both in the atmosphere or one in the atmosphere and one on the ground, temporarily neutralizing these in a near-instantaneous release of an average of between 200 megajoules and 7 gigajoules of energy ...
The Starry Night is an oil-on-canvas painting by the Dutch Post-Impressionist painter Vincent van Gogh, painted in June 1889. It depicts the view from the east-facing window of his asylum room at Saint-Rémy-de-Provence, just before sunrise, with the addition of an imaginary village.
