Nasa
Soichi Noguchi 野口 聡一
Long duration space flight on ISS! http://goo.gl/qmmf7 http://bit.ly/3ZMbEb http://bit.ly/bXNO6I http://bit.ly/bGfUrB http://linkd.in/ePb57v446,036 followers | Follow
Jose Hernandez
Retired NASA Astronaut and native of Stockton. Running for U.S. Congress in California's 10th District. Devoted husband, loving father, and a proud Democrat.233,803 followers | Follow
NASA Kepler
The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover Earth-size planets in the habitable zone.214,986 followers | Follow
CassiniSaturn
Cruising around Saturn, its moons and the magnificent rings194,242 followers | Follow
Spirit and Oppy
Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.152,833 followers | Follow
NASA Astronauts
Hear from all NASA's astronauts on Twitter, plus updates on astronaut activities here.136,057 followers | Follow
Curiosity Rover
NASA's next mission to Mars. I'm currently en route to the Red Planet. Arrival anticipated Aug. 5, 2012.101,450 followers | Follow
Nicole Stott
NASA Astronaut STS-128, ISS Expeditions 20/21, STS-129, STS-133. Aquanaut NEEMO 9.94,253 followers | Follow
Johnson Space Center
NASA's JSC is the lead center for the International Space Station and the Orion spacecraft, and the home of the Mission Control Center and NASA astronaut corps.65,971 followers | Follow
NASA Goddard
Tweeting the best in NASA astronomy, Earth sciences and robotic exploration for the Goddard Space Flight Center.47,406 followers | Follow
NASA Social
Follow us for announcements on social media @NASA and for info about upcoming NASA Socials39,020 followers | Follow
NASA Webb Telescope
NASA's James Webb Space Telescope will give us an amazing look at the universe! The project is working to a 2018 launch date.26,941 followers | Follow
LCROSS_NASA
NASA mission to explore the Moon to look for water ice at the poles! And I found it! My mission (and my tweets) ended Oct 9, 2009. But, I'm forever on the moon!25,327 followers | Follow
NASA Desert RATS
The NASA Desert RATS consists of multiple groups from NASA centers, universities, and other organizations. Goal: human-robotic systems for space exploration!20,507 followers | Follow
NewHorizons2015
The First Space Mission to Explore Planet Pluto and the Kuiper Belt19,411 followers | Follow
Jeff Williams
19,047 followers | Follow
Robert L. Satcher
Former NASA Astronaut. Comments and views expressed here are my own.15,878 followers | Follow
ESA Planck
A European Space Agency (ESA) spacecraft to understand the origin and evolution of our Universe14,286 followers | Follow
NASA Blueshift
Blueshift: Bringing the Universe down to Earth with podcasts, blogs, and more!13,415 followers | Follow
U.S. HSF Committee
The Committee will conduct an independent review of ongoing U.S. human space flight plans and programs, as well as alternatives.9,546 followers | Follow
Veronica McGregor
NASA-JPL news/social media mgr. Also tweeting as @NASAJPL, @MarsCuriosity & @AsteroidWatch. Creator of the 1st #NASATweetup. Opinions here are my own.8,336 followers | Follow
WISE mission — NASA
NASA's Wide-field Infrared Survey Explorer: Mapping the Sky in Infrared Light. Keywords: NASA WISE spacecraft wide field infrared survey explorer7,717 followers | Follow
Jen Scheer
Former Space Shuttle technician. Artist, photographer, inventor. Space Tweep Society founder, @FragileOasis contributor, and 2010 Shorty Award winner.6,570 followers | Follow
Camilla Corona SDO
I am Camilla SDO, NASA SDO's Mission Mascot. I help with Education & Public Outreach and I train to fly to Space. http://about.me/camillaSDO4,867 followers | Follow
Story Musgrave
thinker, astronaut, poet, landscape architect, doctor, speaker, marine, artist, professor, innovator3,880 followers | Follow
Wayne Hale
Former Space Shuttle Program Manager & Flight Director for 40 missions. Now retired from NASA after 32 years. Currently consults for SAS & a full time grandpa.3,714 followers | Follow
Erika Vick
Experience NASA! Former Space Shuttle engineer. My opinions are my own and do not necessarily reflect those of my employer.3,506 followers | Follow
LunarOrbiter
Providing New Imagery and Data From the 1960's NASA Lunar Orbiter Missions For 21st Century Exploration3,280 followers | Follow
AstrophysEdu@Goddard
We provide NASA education resources about our universe and how we study it.2,959 followers | Follow
LPI_Library
The Library collection is primarily astronomy and geology. STS-133 NASA Tweetup attendee.2,845 followers | Follow
Andy Scheer
Former space shuttle technician now helping retire the program to make way for the future! My tweets are my own and do not reflect those of my employer or NASA.2,264 followers | Follow
NASA Harley Rider
NASA Program Executive & Harley Rider (This is NOT an official NASA or government account. These tweets are my own opinion only.)1,652 followers | Follow
ISS Fan Club
Live Ham Radio reports from the ISS Fan Club website. Follow this feed and when an astronaut/cosmonaut comes on the mic you will be the first to know!1,533 followers | Follow
flymetothemoon
NASA manager for LCROSS–NASA’s 1st mission back to the Moon, MoM/StepMoM, anthropologist, walker, chef, and BookBabe.914 followers | Follow
Gary S. Martin
NASA DFRC Lead Proj Mgr for Reimbursable Projs; husband of 32+ yrs; father of 2; grandfather of 3, St Malachy Church lector; road cyclist, CAP Sq Cmdr; K6AE.285 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

























































