Some of the greatest cosmic mysteries are closer to home than you may think.
You can say what you like about our nearest star, but as this latest solar eruption proves, it certainly has impeccable timing.
It would be the end of the world, as we know it, and we would not feel fine. If we got hit with the business end of a gigantic coronal mass ejection, our power grid could be cooked and we'd literally go dark. Can we do anything about it?
Such an event could wreak havoc on Earth's technology-dependent society.
While monitoring our sun's extreme environment, the veteran Solar and Heliospheric Observatory has seen some weird and sometimes unexpected things.
We could find small planets close to Earth using a new technique being tested on our own sun.
NASA has released 30 minutes of the most amazing, high-resolution video footage of the sun ever. DNews points out some key events visible on our gassy friend in the sky.
Although technically you can't "weigh" a star, since it will change relative to gravitation, astronomers CAN work out just how much matter is inside the bright bulbs in our sky and beyond.
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