Have you ever stared directly at the sun? ☀️
Launched on February 10 of 2020, SolO is a joint collaboration between the ESA and NASA, designed to better understand the Sun and its solar winds. As the orbiter approaches the center of our solar system, it will also observe the polar regions of the burning star, a difficult thing to do from Earth.
Earlier this month, the orbiter reached a distance of 46.6 million miles from the solar body, from roughly half the distance between the average orbit of Earth and its star, capturing the images at an incredibly high resolution. The image was taken by the Extreme Ultraviolet Imager of the orbiter, technology that requires the image be spread out over multiple frames. All told, SolO took 25 shots to capture the complete disc of the Sun.
These images were put together as a mosaic and managed to capture different gases at different temperature ranges. The purple image corresponds to hydrogen gas at temperatures of about 10,000°C, the blue image to carbon at 32,000°C, while green corresponds to oxygen at 320,000°C, and yellow to neon at 630,000°C.
By tracing these gases and their temperatures, astronomers hope to better understand how solar storms erupt as well as why the Sun's corona is hotter than the Sun itself.The orbiter marked another milestone after entering Mercury's orbit over the weekend and will soon send us images of that planet at a much higher resolution than ever seen before.
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