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Há 2 dias · Learn about the science of astronomy, its history, discoveries, and facts from Britannica. Explore the solar system, stars, galaxies, cosmology, and more with articles, videos, and news.
- The Techniques of Astronomy
Astronomy - Techniques, Observations, Measurements:...
- The Steady-state Challenge
Astronomy - Steady State, Cosmology, Big Bang: In England,...
- Study of the Solar System
Astronomy - Solar System, Planets, Stars: The solar system...
- History of Astronomy
Astronomy - Ancient, Celestial, Observations: Astronomy was...
- The Rise of Astrophysics
Astronomy - Stars, Galaxies, Cosmology: In 1835 the French...
- Herschel and the Milky Way
Astronomy - Herschel, Milky Way, Stars: Although Herschel’s...
- Cosmology
Cosmology, the field of study that brings together the...
- Multi-messenger Astronomy
Astronomy - Multi-Messenger, Gravitational Waves, Neutrinos:...
- The Techniques of Astronomy
Há 2 dias · Significant advances in astronomy came about with the introduction of new technology, including the spectroscope and photography. Joseph von Fraunhofer discovered about 600 bands in the spectrum of the Sun in 1814–15, which, in 1859, Gustav Kirchhoff ascribed to the presence of different elements.
7 de mai. de 2024 · Learn about the origins, milestones, and achievements of astronomy, the oldest of the natural sciences. Explore the stories of great astronomers, space missions, planetariums, and more with Star Walk.
Há 6 dias · Since its founding in 1958, NASA has pushed the boundaries of scientific and technical limits to explore the unknown for all the citizens of our planet. Discover the history of our human spaceflight, science, technology, and aeronautics programs.
Há 3 dias · The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level.
Há 2 dias · Galileo Galilei. Born: February 15, 1564, Pisa [Italy] Died: January 8, 1642, Arcetri, near Florence (aged 77) Inventions: Galilean telescope. hydrostatic balance. thermometer. compass. Notable Works: “Dialogue Concerning the Two Chief World Systems—Ptolemaic and Copernican” “The Sidereal Messenger” (Show more) Notable Family Members:
17 de mai. de 2024 · Edwin Powell Hubble. Born: November 20, 1889, Marshfield, Missouri, U.S. Died: September 28, 1953, San Marino, California (aged 63) Notable Works: “The Hubble Atlas of Galaxies” Subjects Of Study: Cepheid variable. Hubble constant. Hubble’s law. expanding universe. external galaxy. On the Web:
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