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2019年4月3日星期三

歐洲南方天文台就事件視界望遠鏡的突破性結果計劃巨大公佈: 黑洞圖片?

歐洲南方天文台就事件視界望遠鏡的突破性結果計劃巨大公佈: 黑洞圖片?

ESO Planning Huge Announcement Around Event Horizon Telescope's 'Groundbreaking' Results: Black Hole Picture?


ESO Planning Huge Announcement Around Event Horizon Telescope's 'Groundbreaking' Results: Black Hole Picture?
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Pixabay
The European Southern Observatory is planning a major announcement next week to "present a groundbreaking result from the EHT (Event Horizon Telescope)," according to a media advisory released today. The announcement has many in the scientific community anticipating the release of an image or images of a black hole's event horizon: the only part – if you want to think of it that way – of a black hole that may be theoretically detectable. 

The EHT – which is actually an array of linked radio telescopes located around the world – has been aimed at Sagittarius A*, a supermassive black hole housed in the Milky Way galaxy, and M87, housed in the Virgo A galaxy, since 2017. Representatives from the EHY project hosted a Q&A panel at the 2019 SXSW festival in Austin, Texas last month.

The SXSW takeaways, which the EHT teased on its website, were as follows:

• Black holes can be seen even though light cannot escape them. Surrounding matter illuminates the hole's "shadow", revealing the shape of spacetime.

• The EHT is a global experiment linking telescopes across Earth and resulting in the first-ever "photographs" of our own Galaxy's central black hole.

• The act of seeing an object for the first time-like the actual event horizon of a black hole-plays a key role in the development of science.
https://youtu.be/bbOS3pKtg_A

Credit: ESO, ESA/Hubble, M. Kornmesser/N. Bartmann

The event will be live-streamed on YouTube on April 10, 2019, beginning at 0900 Eastern Time. If you're anxious, you may want to set a reminder below.


https://youtu.be/Dr20f19czeE

https://www.outerplaces.com/science/item/19313-event-horizon-telescope



https://youtu.be/_GsTBTenBZY






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