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Hace 2 días · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the application of physical and chemical knowledge to an understanding of the nature of celestial objects.
- The Techniques of Astronomy
Astronomy - Techniques, Observations, Measurements:...
- History of Astronomy
Astronomy - Ancient, Celestial, Observations: Astronomy was...
- The Rise of Astrophysics
Astronomy - Stars, Galaxies, Cosmology: In 1835 the French...
- 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...
- Cosmology
Cosmology, the field of study that brings together the...
- The Techniques of Astronomy
Hace 3 días · Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.
6 de may. de 2024 · Astronomy is the scientific study of everything in outer space. Astronomers and other scientists study stars and galaxies, most of which are many light-years away from Earth. Studying the scientific properties of these objects in space helps us to understand how the universe was made, what else is out there, and how we fit in.
10 de may. de 2024 · Astronomy coverage from Scientific American, featuring news and articles about advances in the field.
22 de may. de 2024 · A History of Innovation. NASA Today. For more than 50 years, NASA has been breaking barriers to achieve the seemingly impossible. At its 20 centers and facilities across the country – and the only National Laboratory in space – NASA studies Earth, including its climate, our Sun, and our solar system and beyond.
Hace 2 días · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2024 June 1. Stereo Helene. Image Credit: Cassini Imaging Team , ISS , JPL , ESA , NASA ; Stereo Image by Roberto Beltramini. Explanation: Get out your red/blue ...
Hace 6 días · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
