Monthly Archives: January 2016

Information About Eclipses

Here are some of my favorite sites for learning about eclipses (including the upcoming Great American Eclipse!):

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“Moon Slide (slim)” from Astronomy Picture of the Day. This “Moon-trail” by Stefan Siep was created by just opening the shutter and keeping it open for about 3 hours. Note the brightness difference between full and eclipsed :)

For the Pedagogy course

We should have a great time blogging! :)

2016 Planetary Alignment!

As described in class, here are my two favorite articles about this alignment:

Get Up Early, See Five Planets at Once! from Sky and Telescope

How to View Five Planets Aligning in a Celestial Spectacle from The New York Times

I happen to adore the NYT diagram because it shows the Solar System view as well as the view from Earth:

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View of planetary positioning from “above” the Solar System as well as the view from Earth (from the New York Times)

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 Isn’t the First Time Astronomers Have “Found” a Planet Nine

P9_KBO_orbits_labeled-NEWS-WEB

(from the press release) The six most distant known objects in the solar system with orbits exclusively beyond Neptune (magenta) all mysteriously line up in a single direction. Also, when viewed in three dimensions, they tilt nearly identically away from the plane of the solar system. Batygin and Brown show that a planet with 10 times the mass of the earth in a distant eccentric orbit anti-aligned with the other six objects (orange) is required to maintain this configuration.

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 make sure you have bookmarked the big class blog aggregator: Astro201 – The Solar System.  From there, you can follow everyone or specific classmates if you like (when I post them).

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