Get short, timely messages from Geert Barentsen.

Twitter is a rich source of instantly updated information. It's easy to stay updated on an incredibly wide variety of topics. Join today and follow @GeertMcTwit.

Get updates via SMS by texting follow GeertMcTwit to 40404 in the United States
Codes for other countries

Country	Code	For customers of
Two-way (sending and receiving) short codes:
Australia	0198089488 Telstra
Canada	21212 (any)
United Kingdom	86444 Vodafone, Orange, 3, O2
Indonesia	89887 AXIS, 3, Telkomsel
Ireland	51210 O2
India	53000 Bharti Airtel, Videocon
Jordan	90903 Zain
New Zealand	8987 Vodafone, Telecom NZ
United States	40404 (any)

GeertMcTwit

politic_animal 1 point from Belgium. That whole 1914-18 thing sort of paid off, then. #eurovision about 18 hours ago via web Retweeted by GeertMcTwit and 28 others
@vrooje Congrats!!! 4:03 PM May 22nd via web in reply to vrooje
@augustmuench But then think about all the data that went into Minard's map! Great example of reducing data but keeping information entropy? 4:10 PM May 21st via Twitter for Android in reply to augustmuench
"Highcharts" is a Javascript graph-drawing library which the BBC news website appears to be using. Looks nice! highcharts.com 9:37 AM May 20th via web
@mrtommyb Real men take twilight flats. 4:10 AM May 20th via web in reply to mrtommyb
@mrtommyb Between publishing new papers every day, how do you find the time to go to Kitt Peak? (I know things!) 11:51 AM May 19th via web
@HeadsUpULose I wish I understood exactly! Must be due to Sun+Jupiter. Ephemerides are taken from JPL/Horizons (ssd.jpl.nasa.gov/horizons.cgi). 10:40 AM May 19th via web in reply to HeadsUpULose
@AntonSherwood Yes, I wish I understood why! Must be due to Sun+Jupiter. Ephemerides are taken from JPL/Horizons (ssd.jpl.nasa.gov/horizons.cgi). 10:39 AM May 19th via web in reply to AntonSherwood
BadAstronomer Via @GeertMcTwit, a cool graph showing the Earth-Moon distance in 2012 versus times of full Moon: is.gd/IcPQm2 9:04 AM May 19th via TweetDeck Retweeted by GeertMcTwit and 8 others
@BadAstronomer I was suspecting Earth's orbit around the Earth-Moon barycentre might play a role, but the Sun's tides sound sensible too! 9:06 AM May 19th via web in reply to BadAstronomer
@BadAstronomer I plotted the ephemerides as given by JPL/Horizons. I wonder why the apogee/perigee distance varies over time, any thoughts? 9:02 AM May 19th via web in reply to BadAstronomer
@BadAstronomer A little graph of the Earth-Moon distance in 2012: twitter.com/#!/GeertMcTwit… 8:52 AM May 19th via web in reply to BadAstronomer
Belfast toilet art. instagr.am/p/K0E0gCC5Sq/ 8:44 AM May 19th via Instagram
@sarahkendrew Will you show your Twitter followers the before-vs-after pictures of said gardening effort? #tweetyourgarden 6:44 AM May 19th via Twitter for Android in reply to sarahkendrew
Two astronomy lectureships available at @AstroQUB (in the vibrant and rejuvenated Victorian city that is Belfast): habu.pst.qub.ac.uk/groups/arcrese… 8:52 AM May 18th via web
@vrooje Ohhh, all the best of luck with yours! 3:22 PM May 17th via web in reply to vrooje
@sarahkendrew Whenever people ask me what I'm doing after the PhD, I reply exactly those two things :-) 2:02 PM May 17th via web in reply to sarahkendrew
@sarahkendrew Dropbox is still syncing, but yes, thanks for the crucial reminder :-) 1:59 PM May 17th via web in reply to sarahkendrew
@sarahkendrew Yes, there's a lot of staring going on here. 1:56 PM May 17th via web in reply to sarahkendrew
I think I might just have ... finished writing my PhD a few seconds ago. #surreal 1:51 PM May 17th via web

Name Geert Barentsen
Location North of the Emerald Isle
Web http://www.arm.ac...
Bio Computer scientist & Astrophysics PhD student. Views expressed are mine, not Justin Biebers.