Here's something you never saw before: The Sun's North Pole



We humans are very curious about the nuclear furnace that lives on earth. We've looked at the sun in so many different ways, both earth-based and spot-based. After we have a really hard time to get a look from its poles.

Now a solar mission has directed us, in the form of a picture psest, together with data gathered by the European Space Agency Proba-2 (Project for Onboard Autonomy 2) satellite in orbit around the earth.

Our home planet – and most of the stuff in the solar system – the sun's orbits in a more or less flat plane, close to the star's equator. This is called the Ecliptic Plane, and it's the result of the flat disc of dust and gas that whirled around the Baby Sun from which the planets were formed.

We also launch spacecraft on the ecliptic plane, for a practical reason. The spin of Earth on its axis gives a rocket a bit of a boost, meaning it takes less effort to get it in place. The closer the cutter is to the equator, the higher the boost. It would be much harder to launch a rocket from land Polar regions.

So rockets launched from land are already traveling in the eclectic plane and therefore normally are not in a position to peek at the Sun's Poles. It Is Possible to get out of this plane, but it is quite difficult and time-consuming.

There was actually a probe that looked at the Poles though. NASA, ESA, and Canadian National Science Council, collabored on Ulysses, looming over the top of the Sun's Polish at a distance of nearly 322 million kilometers (200 million miles). That's over the average distance between earth and the sun.

It is an absolute camera of a feat. They have to send the probe all the way out to Jupiter. Therefore, once it got it, they had to slow it down to almost nothing, then use Jupiter's gravity to fly out of the ecliptic plane.

It then made only three huge sunsets for over 15 years, from 1994 to 2009. And we learned a lot of Ulysses – but none of his instruments was a camera.

All this is the reason that we have never been able to see or see from the sun's poles directly with our eyes.

This time, we're looking at a photograph, strictly speaking – but it's probably very close.

"While the Poles can not be seen straight, when Spacecraft sees the solar atmosphere, they collect data on everything along their line of sight, also shows the atmosphere extending around the disc of the sun," explains the Esa.

"Scientists can use this to import the appearance of the polar regions."

Slice through tiny slice, as the sun rotates, Proba-2 receives readings of the elements in extreme ultraviolet wavelengths, then combines them into a reconstruction of the solar poles.

You can see the lines between the individual slices, and the line through the device is created because of small changes in the solar atmosphere over the timeframe in which the data is collected.

ESA scientists have built the pictures since June of this year, uploading them into a database so they can observe how the Sun's poles change over time.

This is how they can build the knowledge globally by Ulysses, and try to learn more about the dynamics of solar phenomena in the polar regions – such as coronal holes, alphanumeric waves and Rossi waves.

NASA's Parker Solar Probe, launched earlier this year, has gotten closer to the sun than any spacecraft before. But it's not going to leave the ecliptic plane.

For real photos, we may have to wait for ESA's solar orbit, scheduled for launch in 2020. It's not going to be the Orbit of the Poles, but it's going to zoom around high enough lattices that it will be able to picture The mysterious and elusive regions.


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