I am a Senior Astrophysicist at the Smithsonian Astrophysical Observatory of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, USA. I study the high energy aspects of stellar physics and how they impact star and planet formation, stellar evolution, and planetary radiation environments.
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Where to move this page to?I have not posted anything here for some time. Old Google sites is going kaput, and the new google sites, so far at least, is horrendous and unusable for what ...
Posted Feb 28, 2021, 7:20 PM by Jeremy Drake
Six of one, half a dozen of the otherA couple of earlier postings have discussed the stellar phenomenon known as "coronal mass ejections" (CMEs). CMEs are the result of the sudden release of magnetic energy in the outer ...
Posted Mar 16, 2020, 7:22 PM by Jeremy Drake
Fugitive Plasma Caught Speeding on Yellow Giant StarCoronal mass ejections on the Sun are the result of the release of stored magnetic energy that flings out up to 100 billion tonnes of hot plasma at speeds of ...
Posted Mar 16, 2020, 7:01 PM by Jeremy Drake
Breezing through the Space Environment of Barnard’s Star bThe discovery of a planet orbiting the nearby - at 6 light years - red dwarf called Barnard's Star was a major step in our growing understanding that planetary systems around ...
Posted Apr 22, 2020, 11:51 AM by Jeremy Drake
Proton Beams of DeathThe most numerous stars in the Universe are those of the lowest masses - the M dwarfs. They are so dim compared with stars like our own Sun that their so ...
Posted Apr 24, 2020, 6:29 AM by Jeremy Drake
The Optics of SuperflaresStellar flares are explosive events in the outer atmospheres of stars powered by the sudden release of stored magnetic energy generated in the interior. The analogy of suddenly releasing a ...
Posted Mar 4, 2020, 8:21 AM by Jeremy Drake
