Astronomy
Neil deGrasse Tyson
Astrophysicist, American Museum of Natural History. Author: Space Chronicle, The Pluto Files,. Host: StarTalk Radio http://StarTalkRadio.net492,022 followers | Follow
Astro Pic Of The Day
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.412,540 followers | Follow
Virtual Astronomer
The Basil Fawlty of Astronomy, Science, Nature and more. Making Stargazing fun and accessible to all. Not your typical astronomer. Loves cycling & baking too.36,225 followers | Follow
Universe Today
The official feed for Universe Today. You'll read our stories, and links to the best space news, photos and videos we can find.15,151 followers | Follow
WI Astronomy
A Wisconsin based Space and Astronomy News public outreach website.11,156 followers | Follow
Daniel Fischer
All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)4,826 followers | Follow
Skymaps.com
Quality sky maps and star charts for skywatchers, educators and publishers.4,735 followers | Follow
AstroSpaceNow.com
We obsessively track breaking news and interesting content about astronomy and space exploration over the blogosphere and Twitter so you don't have to.3,882 followers | Follow
Stuart Clark
Astronomer, journalist, author and speaker. Author of The Sun Kings and The Sky's Dark Labyrinth trilogy, the history of astronomy – dramatised!3,777 followers | Follow
Nick Howes
Astronomy Consultant, Science Writer for @esa . FRAS, @faulkestel Program Manager, Visiting Lecturer UCGLAM, STEM ambassador,Used to work with Ultravox.3,447 followers | Follow
Colin Stuart
Freelance science communicator, writer & broadcaster. Freelance astronomer for Royal Observatory, Greenwich (views mine).3,412 followers | Follow
Astronomy.FM
Broadcasting astronomy and science radio to listeners all across the world!3,375 followers | Follow
Newbury Astro Soc
Newbury Astronomical Society are a bunch of people doing all sorts of interesting astro stuff. Geek comes as standard. Tweets by @Steve_P_Knight3,148 followers | Follow
The Jodcast
An astronomy podcast from the University of Manchester's Jodrell Bank Observatory.3,019 followers | Follow
David Dickinson
Science writer, teacher, and stargazer...chronicler of the technocene and budding Scifi deity. Looking forward to seeing the 2084 transit of Earth from Mars.2,475 followers | Follow
Alice Sheppard
MSc Astrophysics mature student, Galaxy Zoo mod, co-founder of Cardiff and Hackney Skeptics in the Pub, citizen science maniac, and general dazed waffler2,354 followers | Follow
SkyShare Network
Small field astronomy: planets, double stars, variables, exoplanets, planetary nebulae ... Love'em all2,288 followers | Follow
Portal to Universe
Keep up to date with latest cutting-edge astronomy and space science breakthroughs via Portal To The Universe. (An original IYA2009 Project)2,250 followers | Follow
Debra L Davis
WomanAstronomer.com promotes astronomy as a hobby and science & encourages women and girls interested in the science.2,125 followers | Follow
Astronomy Telescopes
All about astronomy, telescopes, the universe and orion!2,015 followers | Follow
Tony Hoffman
PCMag.com printers, scanners & projectors analyst; writer; amateur astronomer; photographer; radio amateur (AA2TH)1,992 followers | Follow
Bill Cooke
1,855 followers | Follow
Lowell Observatory
A private, non-profit institution dedicated to astronomical research and outreach.1,696 followers | Follow
CPRE Shropshire
A worldwide celebration of dark skies on from 20 March to 10 April 2010. Say no to light pollution. Be inspired by starlit skies. Hashtag #darkskies20101,692 followers | Follow
Patrick M.
There is simply nothing better than looking into deep space to soothe the mind and put things into perspective. IT & Content Geek. Spaceflight. Tech Rocks!1,652 followers | Follow
streamertyer
Devils fan, streamer fly tyer& fisher, accomplished Wine & Beer drinker, stiff-necked Stargazer, stumbling Geocacher, Ham, Dad, Hubby & Ne'er-Do-Well1,518 followers | Follow
Deirdre Kelleghan
Am an amateur astronomer, I paint and enjoy writing. Informal Educational Outreach for children http://www.deirdrekelleghan.net/blog.html1,388 followers | Follow
Rebecca Setzer
A star loving bird watching nature enthusiast with a knack for the knotting. I guess that makes me an AstroBirdKnitologist1,306 followers | Follow
Stephen Braham
Quantum Cosmologist turned Arctic-going IT-exploring Rocket Scientist1,296 followers | Follow
Scott Northcutt
Professional geek. Ham radio nut. Aviation fanatic. Astronomy aficionado.1,279 followers | Follow
John Brady
Creator of Astronomy Central, space news, the night sky, online community & more. Tweeter of anything interesting beyond Earth, general banter, Atheist1,249 followers | Follow
Peter Newbury
astronomy, science education w Carl Wieman Science Education Initiative in Physics & Astronomy at UBC, science writer, dad, @scioVan1,206 followers | Follow
Wynyard Planetarium
Astronomy based education and entertainment resources of Stockton-on-Tees Borough Council; supported by CaDAS & DAS. Tweets by Ed Restall (Director)1,189 followers | Follow
Hanny van Arkel
Guitar playin' biology teacher by day, discoverer (of @HannysVoorwerp) by night, science ambassador in between and lover of life 24/7.1,153 followers | Follow
Catherine Baker
chemist, artist, dreamer, maker of things. Science, space, photography, aviation... http://www.flickr.com/photos/cmilesbaker http://cmilesbaker.wordpress.com1,144 followers | Follow
Richie Jarvis
UK Astronomer, Astrophotographer, and presenter of Under British Skies on http://astronomy.fm each month...1,116 followers | Follow
Ewan Bryce
Astro junkie, weekday road warrior, quasi malt head, gamer & temporal trekker. Laying down a rubber road to freedom two wheels at a time.1,078 followers | Follow
Betsy McCall
mathematician, linguist, astronomy student, author, teacher, atheist, intellectual1,009 followers | Follow
Elias Jordan
Astronomer/Astrophysicist, Journalist, Photographer, DJ, Student, mentally unstable....1,007 followers | Follow
Mike Simonsen
Astronomer, variable star junkie, writer, blogger, gardener, musician, madman902 followers | Follow
Stephen Serjeant
Astronomer at the Open University, roped into various OU/BBC things too. The views here do not necessarily blah blah.870 followers | Follow
Nick Soden
Studying electromechanics; into amateur astronomy, beatboxing, skiing, photography, CG, and pasta801 followers | Follow
Brenda Freedman
Glamorous Geek:Social Media Innovator; Solar System Ambassador Public Outreach Program JPL, Keeper of archives; http://www.sambushman.org787 followers | Follow
IYA2009-Ireland
Updates about astronomy-related events happening this year in Ireland773 followers | Follow
David Evans
I have discovered 19 sungrazing comets with the SOHO Space Telescope. Main interest: h-alpha solar photography.762 followers | Follow
Young Astronomers
Official Twitter account of the Young Astronomers! A website and community of young people interested in Astronomy.754 followers | Follow
Rachana Bhatawdekar
NASA Deep Impact Mission Ex-Team Member, Budding Astrophysicist, Science Geek, Daydreamer..713 followers | Follow
Astronomer
Astronomer, Communication Scientist, Planetarium Director http://facebook.com/arif19679 followers | Follow
Chris Kirkland
I love to do science and find out how things work. I also enjoy helping other people to find things out for themselves.657 followers | Follow
Under British Skies
Under British Skies is an Astronomy Radio program going out every third Sunday of the month at 20:00GMT until 22:00GMT638 followers | Follow
John Pasco
Student of life, coding, web dev, astronomy and Buddhism. Wants to know why we can't all just get along and am doing my bit to help that637 followers | Follow
Richard Fleet
Interested in astronomy and atmospheric optics. Current vice-chairman of Newbury Astronomical Society620 followers | Follow
Jenni Ewart
Ducati-riding SciFi-lovin' Aussie mum of 2 kids & 2 Basenjis. I'm an airline Flight Dispatcher interested in Aviation, Space, Astronomy, MotoGP & #CSIROtweetup611 followers | Follow
Kopernik Astro-Soc
The official Twitter Feed of the Kopernik Astronomical Society. The Universe's Splendor is within your reach. Tweets by @kreegan99591 followers | Follow
Extreme Astronomy
A passion for astronomy, astrophotography and space exploration. The universe has a multitude of secrets to unlock.588 followers | Follow
OneMoonOneSky
One Moon – One Sky is a global competition inviting students to participate in research, artistic and cultural activities.560 followers | Follow
Amy Fredericks
Astronomer-educator, amateur photographer, web geek. Basically a big dork.548 followers | Follow
Jeff Burton
An observational astronomer forced to make a living as a system architect.543 followers | Follow
Hubble Top Stars
Opportunity for formal and informal educators who use Hubble Space Telescope for STEM education.494 followers | Follow
Davin Flateau
Astrophysics researcher, exoplanet scientist in training, writer, broadcaster, I play my music in the sun.492 followers | Follow
Ernesto Guido
Italian amateur astronomer whose main interests lie in the astrometry and physical properties of comets448 followers | Follow
Peter Riesett
Sofware Developer, self taught mandolinist, photographer, and astronomer418 followers | Follow
Peter Sherman
My main Interests are astronomy and Rugby. Here I will be twittering about all things astronomical along with a bit of rugger banter.417 followers | Follow
Lawrence Bilton
21. Astronomy lover! Scope: Meade LX90 f/10. BAA & SPA Member. The Cepheid Variables are my standard candles. A lefty labourite free-thinker and humanist!405 followers | Follow
North American Skies
Cosmic Awareness Facilitator: astronomy, physics, clouds & more. For info only - don't be offended if I don't follow back. BTW, I never follow protected Tweets.393 followers | Follow
Alan Pickup
Once of Royal Observatory Edinburgh, and UK Infrared Telescope, Hawaii. Long-time writer on space and astronomy for The Guardian, Scotsman and Sunday Times382 followers | Follow
Harold Geller
Observatory Director, George Mason University. Teach astronomy, astrobiology, general science. NASA/JPL Solar System Ambassador. Opinions are my own.380 followers | Follow
Jeff Setzer
Technical Services Manager at Graphics Systems Corporation. Love to do volunteer astronomy education and outreach through Northern Cross Science Foundation.377 followers | Follow
Meteorwatch USA
Back Up account, for when we reach our API limit during Meteorwatch! (@Ksastro, @VirtualAstro, @Zarquil)338 followers | Follow
Paczynski_Scope
Utilizing gravitational microlensing to explore our Galaxy and beyond. Established in memory of astronomer Bohdan Paczynski (1940-2007).319 followers | Follow
Charles Bell
IAU MPC Observatory code H47 Vicksburg; Comet and Minor Planet Astrometry, Observation and Study301 followers | Follow
Rocket Scientista
Female graduate student in astrophysics, apprentice rocket scientist, rebel without a solution set.297 followers | Follow
IceInSpace
IceInSpace is dedicated to promoting amateur astronomy. We aim to help stargazers from around the world discover, discuss and enjoy the beauty of our night sky.258 followers | Follow
Robbie Gonyea
The dreamer of impossible dreams, and the sculptor of realities. Gay and Proud!! #Atheist249 followers | Follow
Sara Howard
AerospaceEngineer on Saturn V, Something Funny Happened on the Way to the Moon. For sale on Amazon, Kindle, Barnes & Noble online, Alibris.241 followers | Follow
Mike Salway
Amateur Astronomer, Amateur Photography, Amateur Karate-Ka, Professional in IT231 followers | Follow
Andy Smith
Meteor and aurora spotting via radio! Works for BBC but all views are my own etc.199 followers | Follow
James Cook
Those people the Army rounded up in 'Close Encounters' who DIDN'T make it to the top? I'm with them.199 followers | Follow
Clay Davis
Amateur astronomer astrophotographer. All statements are my own and do not represent Bechtel, US Government, NNSA, DOE or any other entity.192 followers | Follow
Douglas Pierre
Retired, Interests: Gardening, photography, classical music, Astronomy, bicycling, Politics176 followers | Follow
Codename Sunshine
Pharmacy Technician by day. Out-of-work video editor by night. Space nerd. News junkie. Loves U2 and Christian Bale. Too much free time on her hands.172 followers | Follow
kyle bennett
Astronomer,writer/poet,motoring enthusiast, Gamer, funny man, musician and geek163 followers | Follow
Liam O'Hara
Aussie in London; dad; lover of cricket, science, space, gadgets and all things technical; work in the media; aspiring writer.156 followers | Follow
AstronomyFMRadio
Up-to-the-minute radio schedule for Astronomy.FM, broadcasting live and pre-recorded programs on Astronomy & Space Science 24 hours each day.149 followers | Follow
WarrenAstro
One of Michigan's finest astronomy clubs. 2011 is our 50th anniversary!149 followers | Follow
Astro Word
133 followers | Follow
Jake Christensen
Upon his 36th year, Childe Jake begrudgingly incorporates tweeting into his blogging, reading, and studying of humanity and the cosmos.130 followers | Follow
Brandon Rangel
Budding astronomer and interdisciplinary scientist stuck in the body of a not-so-understood high school genius112 followers | Follow
Radio Astronomy Obs.
112 followers | Follow
Astro Book Drive
The purpose of Astro Book Drive (ABD) is to improve astronomy education by donating astronomy materials to groups in developing countries.104 followers | Follow
CSimmerman
93 followers | Follow
Ritesh Pokar
93 followers | Follow
Cosmic Diary
The Cosmic Diary is not just about astronomy. It's more about what it is like to be an astronomer.88 followers | Follow
Randy Griffin
Astronomer (VP - Sheboygan Astronomical Society), golfer, fisherman, rocketeer (the photo isn't me - her name is Foxy)76 followers | Follow
Paul Thompson
64 followers | Follow
Andrew Lowe
I'm a Canadian geophysicist and amateur astronomer. I have discovered 600 asteroids. I also enjoy golf and wine.53 followers | Follow
Astronomer Royal
45 followers | Follow
Lori Lynn Anderson
I'm a Canadian lost in Spain. I am a professor of classical guitar and love astronomy!!!!!!!39 followers | Follow
Sam Harrold
Weird Austin enthusiast. Fest fanatic. Food trailer aficionado. Local business champion. Crazed cyclist. Music bug. UT astronomy PhD student.39 followers | Follow
Wally Anglesea
Worked in I.T. since before it was I.T. First love is Astronomy.35 followers | Follow
Planetary Nebula
18 followers | Follow
R_Ficarelli
16 followers | Follow
Al Lannigan
80 yrs old like astronomy and also ham ke8dw radio control aeroplanes12 followers | Follow
Dougal Syers
soon to be a professional astronomer, also a naturalist and a dancer ... and more!11 followers | Follow
