Author Archives: drgrundstrom

Planet Nine!

Caltech Researchers Find Evidence of a Real Ninth Planet This is legit folks!  For those who are at a university (like Vanderbilt), this press release has a link to the actual research article in the Astronomical Journal.  It’s a bit heavy at times but well done. There’s also a pretty good article on Wired: This […] Continue reading

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For my 2016 class…

If you’re in my 2016 Solar System class, please put a comment here showing that you’ve found my blog and that you’re following it :)  Please include your first name and last name initial.  Note that you MUST be logged in to your own WordPress blog when commenting or else you’re doing it wrong! Also […] Continue reading

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Saturn’s Titan doesn’t have it’s own magnetosphere!

So whilst finding out some information about Saturn’s orbiter Cassini, I came across this story: Cassini Catches Titan Naked in the Solar Wind.  We’ve been talking a lot about magnetospheres when we discuss the giant worlds so this whole thing is really interesting! The space probe Cassini was going by Titan in 2013 when a big […] Continue reading

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My favorite tides

DIFFERENTIALS!! :) During class today, I talked about tides and how there is a great deal of misinformation out there. My favorite websites for the astronomical explanation of tides are: A rigorously correct but a tiny bit snarky treatment – it’s my favorite: Tidal Misconceptions by Dr. Donald E. Simanek One of the links from […] Continue reading

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My favorite tides

DIFFERENTIALS!! :) During class today, I talked about tides and how there is a great deal of misinformation out there. My favorite websites for the astronomical explanation of tides are: A rigorously correct but a tiny bit snarky treatment – it’s my favorite: Tidal Misconceptions by Dr. Donald E. Simanek One of the links from […] Continue reading

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For my 2015 class…

If you’re in my 2015 Solar System class, please put a comment here showing that you’ve found my blog and that you’re following it :)  Please include your first name and last name initial.  Note that you MUST be logged in to your own WordPress blog when commenting or else you’re doing it wrong! Also […] Continue reading

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For my 2015 class…

If you’re in my 2015 Solar System class, please put a comment here showing that you’ve found my blog and that you’re following it :)  Please include your first name and last name initial.  Note that you MUST be logged in to your own WordPress blog when commenting or else you’re doing it wrong! Also […] Continue reading

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The 2017 Nashville Eclipse!

In class yesterday we talked about eclipses and so here’s the post about it! The totally awesome (and very dedicated) Mr. Eclipse (i.e., The Ultimate Resource for Eclipse Photography) is a favorite of NASA so they use his diagrams on their eclipse website. The foremost resource for the 2017 eclipse is eclipse2017.org.  The Interactive Google […] Continue reading

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For my 2014 class…

If you’re in my 2014 Solar System class, please put a comment here showing that you’ve found my blog and that you’re following it :)  Please include your first name and last name initial.  Note that you MUST be logged in to your own WordPress blog when commenting! Also make sure you have bookmarked the […] Continue reading

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The whole asteroid thing!

There have been some pretty amazing things going on with asteroids the past couple of days, namely the passing of Asteroid 2012 DA14 and the Russian Meteor Event.   But they were completely unrelated!  Here is an excellent infographic for you (click to make bigger): We weren’t going to be seeing that little 50-foot asteroid […] Continue reading

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