IFLScience on MSN
Only two spacecraft have breached the solar system’s edge – now we're about to find out its true shape
The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...
Morning Overview on MSN
What Voyager 1 and 2 found beyond the solar system stunned scientists
When NASA’s twin Voyager probes left Earth in 1977, they carried computers weaker than a hand calculator and a modest goal of touring the outer planets. No one seriously expected them to redraw the ...
Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...
Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.
"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." When you purchase through links on our site, we may earn an affiliate ...
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