17 July 2020
Solar Orbiter spots country-sized ‘campfires’ on the Sun
... most mysterious phenomena scientists have yet to uncover about the Sun; why the solar corona, the outermost layer of the Sun’s atmosphere, is 300 times hotter than the Sun’s surface. The solar corona extends millions of kilometres into outer space...
25 November 2020
Solar astronomers "listening" to the Sun can now predict future sunspots
... Alexei Pevtsov, Associate Director for NSO’s Integrated Synoptic Program, the program responsible for the prediction. “We can use this technique to identify what is happening on the side of the Sun that faces away from Earth days before we can catch...
31 January 2020
First images of new solar telescope produces most detailed images of the Sun
... a pattern of turbulent "boiling" plasma that covers the entire sun. The cell-like structures - each about the size of Texas - are the signature of violent motions that transport heat from the inside of the sun to its surface. That hot solar plasma...
August 2019
Lessons from the Sun
...-surface solar structures and their associated seismic signatures, which can be traced even while the structures are on the far side of the Sun. When these structures present themselves as ‘delta’ sunspots observers pay keen attention, because they...
14 August 2015
Fun in the sun with Rosetta: comet 67P/Churyumov–Gerasimenko at perihelion
... things – including jets and other outburst events – happen to comets at perihelion (the point in their orbit at which they are closest to the sun), and for the first time ever, humanity has virtually a front row seat. On top of that...
31 May 2017
NASA to 'touch the Sun' with Parker Solar Probe
... and outbursts. “It’s a spacecraft loaded with technological breakthroughs that will solve many of the largest mysteries about our star, including finding out why the sun’s corona is so much hotter than its surface. And we’re very proud to be able...