#1

twisst Twisst ISS alerts 25,409 followers (2 on this list)
Bio Get alerts from this twitter account when international space station (ISS) will be passing over your exact location. Astronomy, science, @tjaap.
Location Netherlands
Web http://www.twisst.nl
Other lists:  science, space-astronautics

#2

BadAstronomer Phil Plait 23,357 followers (4 on this list)
Bio Astronomer, author, skeptic, funny guy, writer
Location Boulder
Web http://www.badastrono...
Other lists:  nasa, science

#3

M3VOY M3VOY 20,882 followers
Bio Amateur Radio Operator since 2005.Echolink node 407991 and HF standby on 14.1700 MHz USB Space/Astronomy Nerd. 73's
Location Tarleton Nr Preston Lancs UK
Web http://twylah.com/M3V...
Other lists:  amateurradio, autofollow, hamradio, horology, militaryaircraft, movies, photography, radioastronomy, swisswatches

#4

johnculberson johnculberson 12,924 followers
Bio John Culberson: Proud father, happy husband. TX Congressman-Jeffersonian Republican. Let Texans Run Texas. Amateur astronomer
Location Houston TX/Washington DC

Other lists:  amateur-astronomers, congress, science

#5

MartinOrton Martin Orton 12,292 followers (1 on this list)
Bio I'm a Webmaster. I like IT, History, Music, Cars, Architecture, Property, Photography, Interior Design, Gaming, Astronomy, Geography, Geology, Science, Nature.
Location Planet Earth
Web http://martinorton.ca...
Other lists:  geography, geology, graphic-design, music, nature, science, socialmedia, web-design, web-development

#6

articlemastery Article Mastery 10,607 followers (2 on this list)
Bio Article Marketer, Direct Networker, Writer Hunter, Historian, Copywriter, NLP, Distance Persuader, Amateur Astronomer
Location San Diego

Other lists:  amateur-astronomers, science

#7

BusinessInvest Mili Ponce 9,627 followers
Bio IT technician, Amateur Astronomer, Internet Marketer, Traffic generation expert, Mentor
Location UK
Web http://bit.ly/ckqN5
Other lists:  affiliate, amateur-astronomers, internetmarketing, onlinemarketing

#8

ProfBrianCox Brian Cox 9,568 followers (4 on this list)
Bio Filming Seven Wonders of the Solar System for the BBC.
Location London
Web http://www.apolloschi...
Other lists:  solar

#9

JEBloem Janet Bloem 8,233 followers (2 on this list)
Bio Stay Positive - Do Good! Love the Arts, technology, celeb news, photography, fashion, music, astronomy, reading, movies, biking.
Location The Caribbean
Web http://www.redux.com/...
Other lists:  bodybuilding, moon, music, nasa, quotes, redux

#10

sciencebase David Bradley 7,779 followers (3 on this list)
Bio Science Writer David Bradley. Cambridge, UK. Physical and life sciences news and views + tech, internet, web commentary. (Loves: family, guitar, singing, dog)
Location Cambridge, UK
Web http://sciencebase.co...
Other lists:  biology, chemistry, physics, science

#11

NextwaveRay Raymond Alvarez 7,246 followers
Bio Nextwave Communications: a different PR company. Other aliases: Teddy_Salad, Water2World, RaymondAlvarez
Location Denver Metro
Web http://www.google.com...
Other lists:  biology, biotechnology, editors, pr-companies

#12

georgeartz George Artz 6,495 followers
Bio Personal development, Mentoring for Free, http://gaartz.successin10steps.com/?mad=35669 Vitamark http://georgeartz.vitamark.com
Location Lismore, Australia (near east
Web http://2009workathome...
Other lists:  archaeology, holiday, space-astronautics

#13

NASAJPL NASA JPL 6,061 followers (3 on this list)
Bio NASA Jet Propulsion Laboratory manages many of NASA's robotic missions exploring Earth, the solar system and our universe. Tweets from JPL's News Office.
Location Pasadena, Calif.
Web http://www.jpl.nasa.g...
Other lists:  aerospace-aviation, nasa

#14

fitascanbe99 fitascanbe99 5,922 followers
Bio I have a Passion for health and fitness,and self development and helping other people do the same,vegetarian,Enviroment!
Location United Kingdom
Web http://www.fitascanbe...
Other lists:  aerobics, aspiration, badminton

#15

glxp Google Lunar X PRIZE 4,487 followers (1 on this list)
Bio The official Google Lunar X PRIZE Twitter account. Going back to the moon, and taking you with us.
Location 
Web http://www.googleluna...
Other lists:  prizes, space

#16

susandelaney Susan Delaney 4,321 followers (2 on this list)
Bio explorer, stargazer, poetic dreamer, speculative theory wanderer, DBA/Dev
Location Noösphere
Web http://xplor.posterou...
Other lists:  art, computers, poetry, poets, research, science, technology, writers

#17

apod Astro Pic Of The Day 4,231 followers (2 on this list)
Bio Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Location Goddard Space Flight Center
Web http://apod.nasa.gov/...
Other lists:  space-astronautics

#18

ebonstorm Thaddeus Howze 2,826 followers
Bio Speculative fiction | epic fantasy author, consultant, polymath, autistic, iconoclast, humanist and creator of worlds. http://myonepage.com/ebonstorm
Location Hayward, CA
Web http://ebonstorm.word...
Other lists:  fantasy, horror, politics, science, scifi, spaceopera, technology, writing

#19

unfolding Metaconscious 2,323 followers (1 on this list)
Bio Reality hacker in search of modern day shamans.
Location Milwaukee, ♁
Web http://metaconscious....
Other lists:  art, design, music, philosophy, photography, psychology, science, space, spirituality

#20

ARtNmOLD arnold tamayo moran 1,548 followers
Bio Filipino//Roman Catholic//16 years oldLike astronomy//technology//history//languages//Internet//Site making etc... c:
Location Tiwi, Albay, Philippines
Web http://facebook.com/n...
Other lists:  autofollow, wattpad