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Astronomers find youngest known magnetar

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Astronomers find youngest known magnetar

Astronomers find youngest known magnetar

Astronomers at NASA and the ESA have discovered a star in the constellation Sagittarius that is the youngest known magnetar ever recorded.

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RESTRICTIONS: Broadcast: NO USE JAPAN, NO USE TAIWAN Digital: NO USE JAPAN, NO USE TAIWAN Astronomers at NASA and the ESA have discovered a neutron star that is the youngest known magnetar ever recorded.

Swift J1818.0−1607 was born in a supernova that would have been visible from Earth 240 years ago.

A magnetar is a kind of highly magnetized neutron star, the most powerful magnetic objects in the universe.

Only 30 magnetars in the Milky Way have been found.

The star is located 16,000 light-years away from Earth in the constellation Sagittarius and is 16,240 years old.

RUNDOWN SHOWS: 1.

Supernova that birthed the magnetar Swift J1818.0−1607 visible from Earth 240 years ago 2.

Depiction of a supernova 3.

Depiction of a magnetar 3.

Location of the Solar System and Swift J1818.0−1607 in the Milky Way 4.

Size and mass of Swift J1818.0−1607 compared to Sun and Manhattan 5.

Swift J1818.0−1607 is a radio pulsar VOICEOVER (in English): "Astronomers at NASA and the ESA have discovered a neutron star called Swift J1818.0−1607.

The star was born in a supernova that would have been visible from Earth 240 years ago." "A supernova occurs when a star runs out of nuclear fuel and can no longer support itself against the inward pull of gravity." "Not only is it a neutron star, but it's a rare kind of neutron star known as a magnetar, the most powerful magnetic objects in the universe." "This magnetar is located 16,000 light-years away from Earth in the constellation Sagittarius.

Since its supernova was visible 240 years ago, the star is 16,240 years old." "As a neutron star, it packs twice the mass of the Sun into a body just 25 kilometers, or 15 miles, in diameter." "A magnetar is a kind of spinning neutron star known as a pulsar." "According to NASA, a pulsar is a neutron star that emits beams of radiation that sweep through Earth's line of sight." "The 'pulses' of high-energy radiation we see from a pulsar are due to a misalignment of the neutron star's rotation axis and its magnetic axis." SOURCES: Science Magazine, The Astrophysical Journal Letters, ESA, NASA https://www.sciencemag.org/news/2020/06/galactic-flash-points-long-sought-source-enigmatic-radio-bursts https://iopscience.iop.org/article/10.3847/2041-8213/ab9742 http://www.esa.int/ESA_Multimedia/Images/2020/06/XMM-Newton_observes_baby_magnetar https://imagine.gsfc.nasa.gov/science/objects/pulsars2.html.old *** For story suggestions please contact tips@nextanimation.com.tw For technical and editorial support, please contact: Asia: +61 2 93 73 1841 Europe: +44 20 7542 7599 Americas and Latam: +1 800 738 8377




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SAN BASILIO, ITALY — Astronomers at NASA and the ESA have discovered a neutron star that is the youngest known magnetar ever recorded. Swift J1818.0−1607 was born in a supernova that would have..

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