(PhysOrg.com) -- Earth usually has more than one moon, according to a team of astronomers from the University of Helsinki, the Paris Observatory and the University of Hawaii at Manoa.
Space Exploration
Apr 4, 2012
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0
Imagine something similar to the Great Depression of 1929 hitting the world, but this time it never ends.
Environment
Aug 15, 2018
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2867
Scientists from Ireland and France today announced a major new finding about how matter behaves in the extreme conditions of the Sun's atmosphere.
Astronomy
May 24, 2019
208
3962
A NASA program that cost $10 million per year to track carbon and methane, key greenhouse gases that contribute to global warming, has been cancelled, a US space agency spokesman said Thursday.
Environment
May 10, 2018
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6477
(Phys.org)—Physicists have found the strongest evidence yet for no violation of Lorentz symmetry, one of the fundamental symmetries of relativity. Lorentz symmetry states that the outcome of an experiment does not depend ...
Climate modeling based upon Earth's current greenhouse gas emissions trajectory predicts a worst-case scenario of 4.3°C warming of the planet by 2100 if sufficient measures are not implemented. While the Paris Climate Agreement ...
Canada's oil sands CO2 emissions are significantly higher than indicated by industry data collected using internationally recommended methods, according to a study published Tuesday.
Environment
Apr 24, 2019
6
1169
A newly discovered comet could be visible to the naked eye as it shoots past Earth and the Sun in the coming weeks for the first time in 50,000 years, astronomers have said.
Space Exploration
Jan 7, 2023
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The Paris climate agreement seeks to limit global warming to 1.5℃ this century. A new report by the World Meteorological Organization warns this limit may be exceeded by 2024—and the risk is growing.
Environment
Sep 9, 2020
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(PhysOrg.com) -- Betelgeuse -- the second brightest star in the constellation of Orion (the Hunter) -- is a red supergiant, one of the biggest stars known, and almost 1000 times larger than our Sun. It is also one of the ...
Astronomy
Jul 29, 2009
78
3
Coordinates: 48°51′24″N 2°21′03″E / 48.856667°N 2.350833°E / 48.856667; 2.350833
Paris (pronounced /ˈpærɪs/; French: [paʁi] ( listen)) is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region (or Paris Region, French: Région parisienne). The city of Paris, within its administrative limits (the 20 arrondissements) largely unchanged since 1860, has an estimated population of 2,211,297 (January 2008), but the Paris metropolitan area has a population of 12,089,098, (January 2008), and is one of the most populated metropolitan areas in Europe. Paris was the largest city in the Western world for about 1,000 years, prior to the 19th century, and the largest in the entire world between the 16th and 19th centuries.
Paris is today one of the world's leading business and cultural centres, and its influences in politics, education, entertainment, media, fashion, science, and the arts all contribute to its status as one of the world's major global cities. It hosts the headquarters of many international organizations such as UNESCO, the OECD, the International Chamber of Commerce or the informal Paris Club. Paris is considered as one of the greenest and most liveable cities in Europe. It is also one of the most expensive.
Paris and the Paris Region, with €552.1 billion (US$768.9 billion) in 2009, produce more than a quarter of the gross domestic product of France. According to 2008 estimates, the Paris agglomeration is Europe's biggest or second biggest city economy and the sixth largest in the world. The Paris Region hosts the headquarters of 33 of the Fortune Global 500 companies, the highest such concentration in Europe, hosted in several business districts, notably La Défense, the largest dedicated business district in Europe. The Paris region has the highest concentration of higher education students in the European Union, is the first in Europe in terms of research and development capability and expenditure and is considered as one of the best cities in the world for innovation. With about 42 million tourists annually in the city and its suburbs, Paris is the most visited city in the world. The city and its region contain 3,800 historical monuments and four UNESCO World Heritage Sites.
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