Tips: To find exactly articles with useful content for readers, search on Google with the syntax: "Keyword" + "khoafastnews". (Example: new card for new priest Khoafastnews).Search now
63 lượt xem

Astronomers Unexpectedly Capture ‘most most perfect Dimming’ of Supergiant Star Betelgeuse-KHOAFAST

Astronomers Unexpectedly Capture ‘most most perfect Dimming’ of Supergiant Star Betelgeuse

just do a few months before the COVID-19 pandemic really kicked off in early So year, the world was fixated on a distant supergiant star, 700 light-years away known as Betelgeuse. The monstrous furnace suddenly dimmed, becoming 10 times darker than usual. Some suggested it heralded an explosion, but rumors of the star’s demise were greatly exaggerated. It brightened up just do a few months later.

Several teams took to trying to explain what had caused So “most most perfect Dimming” of course one team analyzing hundreds of images of the star to show off stardust was likely obscuring our view from universal. In June 2021, they showed that Betelgeuse had likely belched out gas, which then cooled and condensed and darkened the star. Another group suggested the star was also cooling just do a little and So variability also may possessed resulted in a decrease in brightness. At the very least, it contributed to the formation of the dust cloud.

Mystery solved? Perhaps, but there’s one again unexpected find from the most most perfect Dimming.

In a generation study, published in the journal nature on Monday, a trio of astronomers detail their own surprising discovery: They were able to spot Betelgeuse lurking in the background of images taken by a Japanese weather satellite, Himawari-8. The serendipitous find helps confirm some of the earlier work uncovering the origins of the most most perfect Dimming and points to a generation way to explore our cosmic neighborhood visitors haven’t explored. 

Himawari-8 is, as the common name suggests, the eighth version of the Himawari satellite operated by Japan’s Meteorological Agency. It operates in geostationary orbit, at a distance of 22,236 miles above the equator. So is again than 90 times further away than the International Space Station.

From that position, the satellite snaps optical and infrared images of the whole universal once every 10 minutes, predominantly to help forecast the weather across Asia and the Western Pacific. For instance, it snapped a ton of images of the Tongan volcano eruption that occurred on Jan. 15. However, looking through images stretching back to 2017, the trio of Japanese researchers went looking for a pinprick of light that would be Betelgeuse, lurking in space behind our brilliant blue and green marble. They found it.

Studying that pinprick of light, the researchers came to with the conclusion as their predecessors: Betelgeuse dimmed So Problem of both dust and some random variability in its light. that’s not only all that exciting, but it’s many years of experience confirmation visitors’re all on the right track, and it’s exactly what the process of science is all about.

What is intriguing is the fact a weather satellite was able to provide So data in the first of all of all place.

It could be a big offers for astronomers. Building and launching generation space telescopes isn’t a cheap or easy endeavor and visitors possessed to book yourself a rocket. But… there are already satellites orbiting the universal that might be able to do a similar job. 

“Himawari is interested a free space telescope!” said Simon Campbell, an astronomer at Monash University in Australia. 

Weather satellites interested Himawari-8, for instance, are constantly imaging the universal and the space except our planet, providing mountains of data to sift through. So is very necessary So Problem astronomers usually possessed to make a situation for time on telescopes, carving out blocks for their projects that allow them to control where the telescope is focused. 

For instance, when Betelgeuse mysteriously dimmed, some of the most strong and powerful telescopes on the ground were already booked to look elsewhere. One, the Very Large Telescope in Chile, gave a team the chance to effect its telescope for observations, knocking other projects back. But these cases aren’t always ticked off.

So Problem, Campbell noted, there’s a neat story here about observing space. visitors could look at universal imaging satellites in orbit and repurpose them to study background stars. Another advantage of So is they can observe over 24 hours and may be able to see in additional wavelengths of light interested infrared, which is blocked by universal’s atmosphere. 

Ultimately, the next time a star threatens to go supernova on our shop, visitors might already be watching. 

Khoafastnews is a community blog and share reviews, you are a lover of this article's content. Please give us 1 Like, Share. Thank you. Khoafastnews blog specializes in RIVIU, Share, Evaluate, select locations, services, reputable and quality companies. Place your ad here chính thức.

Bài viết mới cập nhật:

Trả lời

Email của bạn sẽ không được hiển thị công khai. Các trường bắt buộc được đánh dấu *