From space, the Hinode satellite was also able to witness the solar eclipse that occurred on June 10, 2021. The observatory immortalized the event in the field of X-rays.
You’ve probably come across some of the most stunning photos of the June 10, 2021 solar eclipse. But have you ever seen what a solar eclipse looks like in the x-ray realm? Jaxa Institute for Space and Astronautical Sciences, Japan Aerospace Exploration Agency, presented via Twitter on June 21, 2021, images of this astronomical event obtained using the Hinode satellite.
« This film shows the view captured by the X-ray telescope on board Hinode », Indicates the space agency. X-ray astronomy necessarily requires that observatories be installed outside the Earth’s atmosphere, because it is too complicated to capture X-rays from the earth’s soil. The Hinode satellite, launched in 2006, is a collaboration between Jaxa, Nasa, ESA and the UK Space Agency. NASA has also published the images on Youtube June 15.
What we can see here – in addition to the Sun partially eclipsed by the Moon – is the solar corona, a plasma whose temperature exceeds 1 million degrees Celsius. As NASA explains on this page consecrated to the instruments of Hinode, the solar corona is ” the cradle of solar flares and coronal mass ejections that dominate the space between the Sun and the Earth “. Thanks to observations from the satellite, scientists can study how the star’s magnetic field is at the origin of these explosive events.
Hinode has a “season of eclipses” every summer
From the Hinode satellite, it is also possible to see a solar eclipse occur every six months. The satellite has already made it possible to observe total and annular eclipses from Earth orbit. ” This time we almost had an annular eclipse twice in a row, describes Toshifumi Shimizu, member of Jaxa, quoted by the agency in a tweet. In fact, it was the first time that there was such a deep solar eclipse in June, when the Sun is eclipsed by Earth for a maximum duration in each orbit.. »
Hinode has been installed in a sun-synchronous orbit, around the Earth: this means that it passes over the same area of the Earth at about the same time every day. This choice has two advantages: the satellite instruments can observe the Sun at any time, and the downloading of data is made easier. Around the summer solstice period in the northern hemisphere, Hinode experiences a “season of eclipses”: the Sun appears to him to be eclipsed by our planet. for a maximum of 20 minutes in each orbit (total duration 98 minutes).
You can follow the position of the Hinode satellite in real time thanks to to this site.
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Source: Numerama by www.numerama.com.
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