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NASA-ESA Solar Orbiter mission spots ‘campfires’ in closest images of the Sun ever captured- Technology News, Firstpost

NASA-ESA Solar Orbiter mission spots ‘campfires’ in closest images of the Sun ever captured- Technology News, Firstpost
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NASA-ESA Solar Orbiter mission spots ‘campfires’ in closest images of the Sun ever captured- Technology News, Firstpost

NASA-ESA Solar Orbiter mission spots ‘campfires’ in closest images of the Sun ever captured- Technology News, Firstpost

To fill the massive gaps in our understanding of the Sun, the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) launched the Solar Orbiter mission on 9 February 2020.

The spacecraft completed its first close pass of the Sun in mid-June and the first images from it have now been released, including the closest pictures ever taken of the closest star to Earth, the Sun.

“These amazing images will help scientists piece together the Sun’s atmospheric layers, which is important for understanding how it drives space weather near the Earth and throughout the solar system,” said Holly Gilbert, NASA project scientist for the mission at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

 NASA-ESA Solar Orbiter mission spots campfires in closest images of the Sun ever captured

‘Campfires’ spotted by the Solar Orbiter are annotated with white arrows. Image: NASA/ESA

At the time the images were captured, the spacecraft was just 77 million km away from the Sun, Science Daily reported.

An instrument called the Extreme Ultraviolet Imager (EUI) on the Solar Orbiter captured this first image, showing “campfires” during its first perihelion – the position of the spacecraft in its elliptical orbit where it makes its closest approach to the Sun.

“The campfires are little relatives of solar flares that we can observe from Earth, million or billion times smaller,” Science Daily quoted David Berghmans of the Royal Observatory of Belgium (ROB), Principal Investigator of the EUI instrument, as saying.

Berghmans also said that the Sun might look quiet at first glance, but those miniature flares can be observed everywhere “when we look in detail.”

The Solar Orbiter is returning its first science data, including images of the Sun taken from closer than any spacecraft in history. Image: NASA/ESA

The Solar Orbiter is returning its first science data, including images of the Sun taken from closer than any spacecraft in history. Image: NASA/ESA

Scientists are unsure if these campfires are just tiny versions of big flares or they are generated due to an entirely different mechanism that isn’t yet known.

ESA’s Solar Orbiter project scientist Daniel Müller said that they did not expect these results so early, adding that the photos show the spacecraft is “off to an excellent start.”

According to EurekAlertthe coronavirus pandemic threw multiple challenges to the mission. It led to the shut down of mission control at the European Space Operations Center in Darmstadt, Germany, for over a week. Owing to the COVID-19 situation, teams involved in the mission also had to perform some critical operations remotely.

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