Astronomical Instrument

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Universe Astronomical Instrument
Galaxy Milky Way, Andromeda
Planetary System Star, Brown Dwarf, Planet, Moon

Solar System Sun
Terrestrial Planet Mercury, Venus, Earth (Moon), Mars
Asteroid Belt Ceres, Vesta
Jovian Planet Jupiter, Saturn, Uranus, Neptune
Trans-Neptunian Object
Kuiper Belt Pluto, Haumea, Makemake
Scattered Disc Eris, Sedna, Planet X
Oort Cloud Etc. Scholz’s Star
Small Body Comet, Centaur, Asteroid

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These are organized by a classification scheme developed exclusively for Cosma. More…

General

Encyclopedia

Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, in contrast with theoretical astronomy, which is mainly concerned with calculating the measurable implications of physical models. It is the practice and study of observing celestial objects with the use of telescopes and other astronomical instruments.

Galileo Galilei turned a telescope to the heavens and recorded what he saw. Since that time, observational astronomy has made steady advances with each improvement in a variety astronomical instruments and related methods. — Wikipedia

Observational Astronomy (Eric Weisstein’s World of Astronomy, Wolfram Research)
Observatories & Telescopes (Wolfram Alpha)
Encyclopædia Britannica

Astronomical Instruments, Category (Wikipedia)
Astronomical Instruments, List (Wikipedia)

Introduction



Australian Astronomical Observatory (AAO)

Preservation

History




Galileo and the telescope (The Science Geek)
The History of Astronomy (Ask an Astronomer, Cornell University)

Museum


Smithsonian National Air and Space Museum

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

Participation

Education

Telescopes (NASA.Gov)
Observational Astronomy (Ask an Astronomer, Cornell University)
Telescopes (Ask an Astronomer, Cornell University)
Telescopes (Cosmos4Kids)

Course



Crash Course Astronomy (YouTube)

OER Commons: Open Educational Resources

Community

Occupation


Careers in Astronomy (Ask an Astronomer, Cornell University)

News

Sky & Telescope, ScienceDaily, Phys.org, NPR Archives

Book

ISBNdb

Government

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USA.gov

Expression



Acapella Science (YouTube Channel)

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Celestial News & Events – Sky & Telescope The essential guide to astronomy

  • The Pleiades Welcome Venus
    by Bob King on March 31, 2020 at 4:28 pm

    You can renew your own cosmic connection on Friday night, April 3rd. That's when the planet Venus will skirt the Pleiades star cluster in a spectacular dusk conjunction visible across much of the planet. The post The Pleiades Welcome Venus appeared first on Sky & Telescope.

  • Comet ATLAS: Will it Become a Naked-Eye Object?
    by Bob King on March 25, 2020 at 6:57 pm

    Is our bright comet drought drawing to a close? Comet ATLAS (C/2019 Y4) might become a naked-eye object some time this spring. Read on to find out when and where to look for it. The post Comet ATLAS: Will it Become a Naked-Eye Object? appeared first on Sky & Telescope.

  • Earth Has A Mini-Moon — But Not for Long!
    by Bob King on March 2, 2020 at 5:33 pm

    Two astronomers discovered a temporary mini-moon captured by Earth — but it's about to win its freedom. The post Earth Has A Mini-Moon — But Not for Long! appeared first on Sky & Telescope.

  • New Horizons Recruits Amateurs to Sight Stars
    by David Dickinson on February 28, 2020 at 4:19 pm

    The New Horizons team wants you to help measure the distance to two stars, yielding the longest-ever baseline measurement of a key cosmic yardstick. The post New Horizons Recruits Amateurs to Sight Stars appeared first on Sky & Telescope.

  • March 2020: A Planet Trio and More!
    by Kelly Beatty on February 28, 2020 at 3:17 pm

    During March, the cosmos offers a lot to see both before sunrise and after sunset. To get a guided tour of the month's highlights, play or download this month's Sky Tour episode. The post March 2020: A Planet Trio and More! appeared first on Sky & Telescope.


Space Telescopes News -- ScienceDaily Space Telescopes. Astronomy articles and pictures from NASA's Hubble Space Telescope and Chandra X-Ray Telescope and many other leading astronomy institutes from around the world.

  • Hubble finds best evidence for elusive mid-sized...
    on March 31, 2020 at 8:22 pm

    Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as 'intermediate-mass,' which betrayed its existence by tearing apart a wayward star that passed too close.

  • ALMA resolves gas impacted by young jets from...
    on March 27, 2020 at 3:37 pm

    Astronomers obtained the first resolved image of disturbed gaseous clouds in a galaxy 11 billion light-years away by using the Atacama Large Millimeter/submillimeter Array (ALMA). The team found that the disruption is caused by young powerful jets ejected from a supermassive black hole residing at the center of the host galaxy. This result will cast light on the mystery of the evolutionary process of galaxies in the early Universe.

  • Paired with super telescopes, model Earths guide...
    on March 26, 2020 at 6:44 pm

    Astronomers have created five models representing key points from our planet's evolution, like chemical snapshots through Earth's own geologic epochs. The models will be spectral templates for astronomers to use in the approaching new era of powerful telescopes, and in the hunt for Earth-like planets in distant solar systems.

  • Looking for dark matter close to home
    on March 26, 2020 at 6:44 pm

    Eighty-five percent of the universe is composed of dark matter, but we don't know what, exactly, it is.

  • Astronomers use slime mould to map the universe's...
    on March 26, 2020 at 4:41 pm

    The behaviour of one of nature's humblest creatures and archival data from the NASA/ESA Hubble Space Telescope are helping astronomers probe the largest structures in the Universe.


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • NASA's James Webb Space Telescope full mirror...
    on March 31, 2020 at 8:28 pm

    In a recent test, NASA's James Webb Space Telescope fully deployed its primary mirror into the same configuration it will have when in space.

  • Hubble finds best evidence for elusive mid-sized...
    on March 31, 2020 at 6:23 pm

    Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as "intermediate-mass," which betrayed its existence by tearing apart a wayward star that passed too close.

  • Optical telescopes obtain long-term monitoring...
    on March 31, 2020 at 1:54 pm

    Blazars are a special kind of rare active galactic nuclei. They are currently the most likely candidates for high-energy neutrinos. Their relativistic jets may be the origin area of super-high-energy cosmic rays and neutrinos.

  • How will clouds obscure the view of exoplanet...
    on March 30, 2020 at 2:20 pm

    In 2021, NASA's next-generation observatory, the James Webb Space Telescope (JWST), will take to space. Once operational, this flagship mission will pick up where other space telescopes—like Hubble, Kepler and Spitzer—left off. This means that in addition to investigating some of the greatest cosmic mysteries, it will also search for potentially habitable exoplanets and attempt to characterize their atmospheres.

  • ALMA resolves gas impacted by young jets from...
    on March 27, 2020 at 4:04 pm

    Astronomers obtained the first resolved image of disturbed gaseous clouds in a galaxy 11 billion light-years away by using the Atacama Large Millimeter/submillimeter Array (ALMA). The team found that the disruption is caused by young powerful jets ejected from a supermassive black hole residing at the center of the host galaxy. This result will cast light on the mystery of the evolutionary process of galaxies in the early Universe.