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International Asteroid Day
__NOTOC__ Asteroid Day (also known as International Asteroid Day) is an annual global event which is held on June 30, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about of forest in Siberia, Russia. Asteroid Day was cofounded in 2014 (the year after the 2013 Chelyabinsk meteor air burst) by physicist Stephen Hawking, B612 Foundation president Danica Remy, Apollo 9 astronaut Rusty Schweickart, filmmaker Grigorij Richters, and Brian May (Queen guitarist and astrophysicist). Remy, Schweickart, Richters, and May initiated Asteroid Day in October 2014, which they announced during a press conference. It was launched on December 3, 2014. In 2016, the United Nations proclaimed Asteroid Day be observed globally on June 30 every year in its resolution. The event aims to raise awareness about asteroids and what can be done to protect the Earth, its families, communities, and future generations from a catastrophic event. Legacy On Asteroid Day 2017, mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tunguska Event
The Tunguska event was a large explosion of between 3 and 50 TNT equivalent, megatons that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of 30 June 1908. The explosion over the sparsely populated East Siberian taiga felled an estimated 80 million trees over an area of of forest, and eyewitness accounts suggest up to three people may have died. The explosion is attributed to a meteor air burst, the atmospheric explosion of a stony asteroid about wide. The asteroid approached from the east-south-east, probably with a relatively high speed of about . Though the incident is classified as an impact event, the object is thought to have exploded at an altitude of rather than hitting the Earth's surface, leaving no impact crater. The Tunguska event is the largest impact event on Earth in recorded history, though List of impact craters on Earth, much larger impacts are believed to have occurred in prehistoric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earth
Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering Water distribution on Earth, 70.8% of Earth's crust. The remaining 29.2% of Earth's crust is land, most of which is located in the form of continental landmasses within Earth's land hemisphere. Most of Earth's land is at least somewhat humid and covered by vegetation, while large Ice sheet, sheets of ice at Polar regions of Earth, Earth's polar polar desert, deserts retain more water than Earth's groundwater, lakes, rivers, and Water vapor#In Earth's atmosphere, atmospheric water combined. Earth's crust consists of slowly moving tectonic plates, which interact to produce mountain ranges, volcanoes, and earthquakes. Earth's outer core, Earth has a liquid outer core that generates a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United Nations Committee On The Peaceful Uses Of Outer Space
The United Nations Committee on the Peaceful Uses of Outer Space (COPUOS) is a United Nations committee whose main task is to review and foster international cooperation in the peaceful uses of outer space, as well as to consider legal issues arising from the exploration of outer space. The committee currently has 102 members who meet annually in Vienna, Austria at the Vienna International Centre in June. Additionally, the Scientific and Technical Subcommittee tends to meet in February, while the Legal Subcommittee usually meets in April. History The UN's interest in the peaceful uses of outer space was first expressed in 1957, soon after the launching of the first Sputnik. Its main concern was that space should be used for peaceful purposes and that the benefits from space activities be shared by all nations. Thus, on 13 December 1958, the General Assembly created an ''ad hoc'' Committee on the Peaceful Uses of Outer Space composed of 18 members who were tasked with repo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Association Of Space Explorers
Association may refer to: *Club (organization), an association of two or more people united by a common interest or goal *Trade association, an organization founded and funded by businesses that operate in a specific industry *Voluntary association, a body formed by individuals to accomplish a purpose, usually as volunteers * Non profit association, a body formed by individuals to accomplish a purpose without any profit interest * Collaboration, the act of working together Association in various fields of study *Association (archaeology), the close relationship between objects or contexts. * Association (astronomy), combined or co-added group of astronomical exposures * Association (chemistry) * Association (ecology), a type of ecological community * Genetic association, when one or more genotypes within a population co-occur * Association (object-oriented programming), defines a relationship between classes of objects * Association (psychology), a connection between two or more ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumitru Prunariu
Dumitru-Dorin Prunariu (; born 27 September 1952) is a Romanian cosmonaut. He flew in space aboard Soyuz 40 spacecraft and Salyut 6 space laboratory. He teamed with the Soviet cosmonaut Leonid Popov. The backup crew was made of Romanian candidate cosmonaut Dumitru Dediu and Soviet cosmonaut Yuri Romanenko. Biography Early life and career Born on 27 September 1952 in Brașov (at the time, Orașul Stalin), Romania, Prunariu graduated in 1971 from the Physics and Mathematics high school in Brașov and in 1976 from the Politehnica University of Bucharest, obtaining a degree in Aerospace engineering, Aerospace Engineering. After graduation, Prunariu started working as a licensed engineer for Industria Aeronautică Română at an aircraft assembly facility. He enrolled in the Romanian Air Force Officers Training School the following year, 1977. Intercosmos program He was selected for spaceflight training in 1978 as a part of the Intercosmos Program. Having obtained the highest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UK Space Agency
The United Kingdom Space Agency (UKSA) is an executive agency of the Government of the United Kingdom, responsible for the United Kingdom's British space programme, civil space programme. It was established on 1 April 2010 to replace the British National Space Centre (BNSC) and took over responsibility for government policy and key budgets for space exploration; it represents the United Kingdom in all negotiations on space matters. The Agency "[brings] together all UK civil space activities under one single management". It is based at the Harwell Science and Innovation Campus near Didcot, England. History and aims The creation of the UK Space Agency was first publicly announced by UK Minister of State for Science and Innovation, Paul Drayson, Baron Drayson, Lord Drayson, on 10 December 2009 during a speech at the Rutherford Appleton Lab (RAL) space conference. As the UK Space Agency neared its opening day, Peter Mandelson, Lord Mandelson, Lord Drayson and astronaut Timothy Pea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Space Agency
The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 in the context of European integration. Its 2025 annual budget was €7.7 billion. The ESA Human and Robotic Exploration programme includes human spaceflight (mainly through participation in the International Space Station programme); as well as the launch and operation of missions to Mars and Moon. Further activities include science missions to Jupiter, Mercury, the Sun, Earth observation, Asteroid impact avoidance and Telecommunications missions, designing launch vehicles; and maintaining Europe's Spaceport, the Guiana Space Centre at Kourou (French Guiana). Further programmes include space safety, satellite navigation, applications and commercialisation. The main European launch vehicle Ariane 6 is operated through Arianespace ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
YouTube
YouTube is an American social media and online video sharing platform owned by Google. YouTube was founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim who were three former employees of PayPal. Headquartered in San Bruno, California, it is the second-most-visited website in the world, after Google Search. In January 2024, YouTube had more than 2.7billion monthly active users, who collectively watched more than one billion hours of videos every day. , videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and , there were approximately 14.8billion videos in total. On November 13, 2006, YouTube was purchased by Google for $1.65 billion (equivalent to $ billion in ). Google expanded YouTube's business model of generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by and for YouTube. It also offers YouTube Premium, a paid subs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SETI Institute
The SETI Institute is a not-for-profit research organization incorporated in 1984 whose mission is to explore, understand, and explain the origin and nature of life in the universe, and to use this knowledge to inspire and guide present and future generations, sharing knowledge with the public, the press, and the government. SETI stands for the "search for extraterrestrial intelligence". The institute consists of three primary centers: The Carl Sagan Center, devoted to the study of life in the universe; the Center for Education, focused on astronomy, astrobiology and space science for students and educators; and the Center for Public Outreach, which produced a general science radio show and podcast, " Big Picture Science", until 2025 when the show became independent, and "SETI Talks", its weekly colloquium series. History The SETI Institute was incorporated as a 501(c)(3) California nonprofit organization in 1984 by Thomas Pierson (former CEO), and Dr. Jill Tarter. Financial a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Science Museum, London
The Science Museum is a major museum on Exhibition Road in South Kensington, London. It was founded in 1857 and is one of the city's major tourist attractions, attracting 3.3 million visitors annually in 2019. Like other publicly funded national museums in the United Kingdom, the Science Museum does not charge visitors for admission, although visitors are requested to make a donation if they are able. Temporary exhibitions may incur an admission fee. It is one of the five museums in the Science Museum Group. Founding and history The museum was founded in 1857 under Bennet Woodcroft from the collection of the Royal Society of Arts and surplus items from the Great Exhibition as part of the South Kensington Museum, together with what is now the Victoria and Albert Museum. It included a collection of machinery which became the ''Museum of Patents'' in 1858, and the ''Patent Office Museum'' in 1863. This collection contained many of the most famous exhibits of what is now th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Academy Of Sciences
The California Academy of Sciences is a research institute and natural history museum in San Francisco, San Francisco, California, that is among the largest List of natural history museums, museums of natural history in the world, housing over 46 million specimens. The academy began in 1853 as a learned society and still carries out a large amount of original research. The institution is located in Golden Gate Park on the West Side (San Francisco), West Side of San Francisco. Completely rebuilt in 2008, the academy's primary building in Golden Gate Park covers . In early 2020, before the COVID-19 pandemic, the California Academy of Sciences had around 500 employees and an annual revenue of about $33 million. Governance The California Academy of Sciences, California's oldest operating museum and research institution for the natural sciences, is governed by a 41-member board of trustees who are nominated and chosen by the California Academy of Sciences Fellows. The Academy Fello ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Natural History Museum
The American Museum of Natural History (AMNH) is a natural history museum on the Upper West Side of Manhattan in New York City. Located in Theodore Roosevelt Park, across the street from Central Park, the museum complex comprises 21 interconnected buildings housing 45 permanent exhibition halls, in addition to a planetarium and a library. The museum collections contain about 32 million specimens of plants, animals, fungi, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts, as well as specialized collections for frozen tissue and genomic and astrophysical data, of which only a small fraction can be displayed at any given time. The museum occupies more than . AMNH has a full-time scientific staff of 225, sponsors over 120 special field expeditions each year, and averages about five million visits annually. The AMNH is a private 501(c)(3) organization. The naturalist Albert S. Bickmore devised the idea for the American Museum of Natural History in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
