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Keyword: stellar

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  • ‘World Wire’: IBM Launches Stellar-Based Blockchain Payments Platform (Global banking breakthrough)

    09/19/2018 11:16:21 AM PDT · by MarchonDC09122009 · 43 replies
    Yahoo Finance ^ | 9/05/2018 | David Hundeyin
    ‘World Wire’: IBM Launches Stellar-Based Blockchain Payments Platform (Global banking) https://finance.yahoo.com/news/world-wire-ibm-launches-stellar-224015555.html September 5, 2018 David Hundeyin Computing giant IBM has launched a blockchain-based financial solution that it says has the potential to completely upend the existing status quo in global payments and remittances. The new solution called ‘IBM Blockchain World Wire‘ combines the Stellar blockchain with digital assets to make instant money transfers possible of a guaranteed value possible. In July, CCN reported that IBM backed a dollar-pegged stablecoin issued by Stronghold on the Stellar network.  In the same month, IBM announced that it was involved in an environmentally friendly crypto project also built on...
  • Diet of a dying star

    03/06/2012 1:06:23 AM PST · by U-238 · 11 replies
    Science News ^ | 2/11/2012 | Nadia Drake
    Scientists are beginning to sort out the stellar ingredients that produce a type 1a supernova, a type of cosmic explosion that has been used to measure the universe’s accelerating expansion. Two teams of researchers presented new data about these supernovas at the American Astronomical Society meeting on January 11. One team confirmed a long-held suspicion about the kind of star that explodes, and the second provided new evidence for what feeds that star until it bursts. “This is a confirmation of a decades-old belief, namely that a type 1a supernova comes from the explosion of a carbon-oxygen white dwarf,” said...
  • Stellar Birth in the Galactic Wilderness

    04/20/2008 12:03:10 PM PDT · by LibWhacker · 6 replies · 71+ views
    Caltech ^ | 4/16/08
    A new image from NASA's Galaxy Evolution Explorer shows baby stars sprouting in the backwoods of a galaxy -- a relatively desolate region of space more than 100,000 light-years from the galaxy's bustling center. The striking image, a composite of ultraviolet data from the Galaxy Evolution Explorer and radio data from the National Science Foundation's Very Large Array in New Mexico, shows the Southern Pinwheel galaxy, also known simply as M83. In the new view, the main spiral, or stellar, disk of M83 looks like a pink and blue pinwheel, while its outer arms appear to flap away from the...
  • Stellar Students Learn About National Security Careers

    10/05/2007 6:23:14 PM PDT · by SandRat · 171+ views
    WASHINGTON, Oct. 5, 2007 – About 40 exceptional students from high schools nationwide assembled at the Pentagon yesterday to learn about national security careers. The students are participants in the National Youth Leadership Forum’s career-preparation program, said Glen O. Hawkins, a faculty advisor for the tuition-based educational organization. Hawkins said the forum helps young people explore careers in the fields of national security, diplomacy, law, medicine and other professions. Program participants are high achievers with grade-point averages of 3.7 or above, he said. “The one we’re participating in now deals with national security,” Hawkins explained at the Pentagon. The...
  • Astronomy Picture of the Day 04-18-04

    04/18/2004 12:20:31 PM PDT · by petuniasevan · 4 replies · 269+ views
    NASA ^ | 04-18-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 April 18 Stellar Spectral Types: OBAFGKM Credit & Copyright: KPNO 0.9-m Telescope, AURA, NOAO, NSF Explanation: Astronomers divide stars into different spectral types. First started in the 1800s, the spectral type was originally meant to classify the strength of hydrogen absorption lines. A few types that best describe the temperature of the star remain in use today. The seven main spectral types OBAFGKM are shown above with...
  • Hubble Watches Light From Mysterious Star Reverberate

    03/28/2003 5:54:16 PM PST · by vannrox · 13 replies · 419+ views
    SpaceDaily ^ | Baltimore - Mar 28, 2003 | Editorial Staff
    In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our Sun, temporarily making it the brightest star in our Milky Way galaxy.The mysterious star has long since faded back to obscurity, but observations by NASA's Hubble Space Telescope of a phenomenon called a "light echo" have uncovered remarkable new features. These details promise to provide astronomers with a CAT-scan-like probe of the three-dimensional structure of shells of dust surrounding an aging star. The results appear this week in the journal Nature. "Like some past celebrities, this star had its 15 minutes of...
  • Astronomy Picture of the Day 2-25-03

    02/25/2003 5:42:49 AM PST · by petuniasevan · 21 replies · 476+ views
    NASA ^ | 2-25-03 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 February 25 M42: Wisps of the Orion Nebula Credit & Copyright: John P. Gleason (Celestial Images) Explanation: The Great Nebula in Orion, an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away. In the above deep image, faint wisps and sheets of dust...
  • Astronomy Picture of the Day 10-14-02

    10/13/2002 10:41:13 PM PDT · by petuniasevan · 3 replies · 263+ views
    NASA ^ | 10-14-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 October 14 IC 5146: The Cocoon Nebula Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT Explanation: How did this nebula get created? The Cocoon Nebula, cataloged as IC 5146, is a strikingly beautiful nebula located about 4,000 light years away toward the constellation of Cygnus. Inside the Cocoon is a newly developing open cluster of stars. Like other stellar nurseries, the Cocoon Nebula is, at the...
  • Astronomy Picture of the Day 7-03-02

    07/03/2002 12:40:09 PM PDT · by petuniasevan · 13 replies · 232+ views
    NASA ^ | 7-03-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 July 3 Interstellar Dust Bunnies of NGC 891 Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT Explanation: What is going on in NGC 891? This galaxy appeared previously to be very similar to our own Milky Way Galaxy: a spiral galaxy seen nearly edge-on. However, recent high-resolution images of NGC 891's dust show unusual filamentary patterns extending well away from its Galactic disk. This interstellar dust...
  • Astronomy Picture of the Day 4-28-02

    04/28/2002 12:43:06 AM PDT · by petuniasevan · 9 replies · 268+ views
    NASA ^ | 4-28-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 April 28 Doomed Star Eta Carinae Credit: J. Morse (U. Colorado), K. Davidson (U. Minnesota) et al., WFPC2, HST, NASA Explanation: Eta Carinae may be about to explode. But no one knows when - it may be next year, it may be one million years from now. Eta Carinae's mass - about 100 times greater than our Sun - makes it an excellent candidate for a full...
  • Astronomy Picture of the Day 4-14-02

    04/14/2002 8:32:36 AM PDT · by petuniasevan · 9 replies · 272+ views
    NASA ^ | 4-14-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 April 14 RX J185635-375: Candidate Quark Star Picture Credit: M. van Kerkwijk (Institute of Astronomy, Utrecht), S. Kulkarni (Caltech), VLT Kueyen, ESO Explanation: Why is RJX J185635-375 so cool and so dim? Previously, this compact star held claim to being the closest neutron star -- only 150 light-years away. Now new observations and analysis indicate not only a cool temperature for RXJ J185635-375, pictured above, but also...
  • Astronomy Picture of the Day 3-24-02

    03/23/2002 8:20:32 PM PST · by petuniasevan · 12 replies · 351+ views
    NASA ^ | 3-24-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 March 24 The Cat's Eye Nebula Credit: J.P. Harrington and K.J. Borkowski (U. Maryland), HST, NASA Explanation: Three thousand light-years away, a dying star throws off shells of glowing gas. This image from the Hubble Space Telescope reveals the Cat's Eye Nebula to be one of the most complex planetary nebulae known. In fact, the features seen in the Cat's Eye are so complex that astronomers suspect...
  • Astronomy Picture of the Day 3-21-02

    03/21/2002 1:02:01 PM PST · by petuniasevan · 14 replies · 419+ views
    NASA ^ | 3-21-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 March 21 S is for Sun Credit: SOHO - EIT Consortium, ESA, NASA Explanation: Taken yesterday from the SOHO spacecraft, this false-color image shows the active Sun near the March Equinox, the beginning of Fall in the south and Spring in the northern hemisphere. Recorded in a band of extreme ultraviolet light emitted by highly ionized iron atoms, the Sun's upper atmosphere or solar corona shines with...