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Thread: Astronomy

  1. #1381
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    https://www.universetoday.com/137872...nd-quiet-star/

    There are lots of these near our solar system. Still a long way away, though...

  2. #1382
    On the road, but not! Danik 2016's Avatar
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    "CLOSEST POTENTIALLY-HABITABLE WORLD FOUND AROUND “QUIET” STAR

    Astronomers also anticipate that more temperature exoplanets will be discovered in the coming years, and that future surveys will be able to determine a great deal more about their atmospheres, composition and chemistry."
    https://www.universetoday.com/137872...nd-quiet-star/


    Maybe not so long, DW. They won´t rest as long as they haven´t found something habitable more or less around the corner.
    "You can always find something better than death."
    Jacob and Wilhelm Grimm, The Bremen Town Musicians

  3. #1383
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    So you think the search for a "habitable" planet will continue until they find one? It is likely to be a long drawn out search, as the only space telescope actually in space and operable we have is Hubble, which is old and venerable. The Spitzer will be a while yet before it ready and launched.

  4. #1384
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    There are a lot of space-based telescopes up there. See https://en.wikipedia.org/wiki/List_of_space_telescopes. But with differing capabilities, and orbits. I had no idea there were so many!

  5. #1385
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    I know too little about astronomy to be able to judge. But see https://www.space.com/6716-major-space-telescopes.html

  6. #1386
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    Truly this is the golden age of astronomy!

  7. #1387
    On the road, but not! Danik 2016's Avatar
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    Just having a look, before breakfast. My only readings about astronomy are these articles we most. But I noticed this urge to dominate the stellar world. I think the search for habitable worlds is the most important part of it. And again, it reminds me strongly of the Renaissance when the domain to be explored was the ocean and its hitherto unknown continents.
    "You can always find something better than death."
    Jacob and Wilhelm Grimm, The Bremen Town Musicians

  8. #1388
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    Very true, Danik. I also like to understand the present interest in astronomy in relation to past examples of the search for habitable worlds. Love it!

  9. #1389
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    This article in Universe Today: https://www.universetoday.com/137884...heet-unstable/ may contribute to our understanding of what is happening in Antarctica.

  10. #1390
    On the road, but not! Danik 2016's Avatar
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    A new form of registering telescopic images. Meet the Zwicky Transient Facility (ZTF).

    "Sky-sweeping Telescope Sees First Light

    The Zwicky Transient Facility has taken its first image, covering an area equivalent to 247 full Moons in a single shot. This beginning is part of an ongoing sea change in astronomy.

    Pictures have long served as a foundation of astronomy. But very soon astronomers will be turning to videos. Humans have always known that the seemingly eternal sky changes from night to night — Aborigines even incorporated such changes into their mythology — but for the most part studying celestial transience has required a great deal of patience or a willingness to trawl the archives. Only in the 21st century, in the era of Big Data, has astronomy had the capability to truly step into the time domain.

    The Zwicky Transient Facility (ZTF) is a part of that sea change: It just took the first image of many, a 47-degree field of view equivalent to the area of 247 full Moons, captured in 24,000 by 24,000 pixels. The scene holds a chunk of Orion, showing the Orion, Flame, and Horsehead nebulae. This image precedes the facility’s science phase, which is set to begin in February 2018 and complete by 2020."
    http://www.skyandtelescope.com/astro...s-first-light/
    "You can always find something better than death."
    Jacob and Wilhelm Grimm, The Bremen Town Musicians

  11. #1391
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    Yes, I'm sure this will be an important change, when it happens. No doubt we will see...

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