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Find out who's who in Space Exploration. Discover the social media influencers among us.

Each week The Space Exploration Power 100 recognises the most inspiring social media accounts so you can follow them, join the community and learn more.

We use Kred scores to rank influencers. Kred takes into account social media activity and engagement across many social networks including Twitter, Facebook, Youtube, LinkedIn and Instagram.

Rank			Power Score	Kred Influence	Kred Outreach
1.	(1)	Player X	100	999	9
2.	(2)	Player X Director General, European Space Agency @ESA. Tweets by my team (T) and me.	100	998	9
3.	(3)	Player X Former Boeing intern. Current Boeing CEO. Lifelong aerospace enthusiast. Proud Iowan. Avid cyclist. For information about my career: https://t.co/afDE3H7V9I	99	997	9
4.	(4)	Player X Official Twitter account of the Commander of U.S. Air Force Space Command. * Retweets, likes and follows do not imply endorsement.	99	996	9
5.	(5)	Player X Astrophysicist	98	995	9
6.	(6)	Player X Amazon. Blue Origin. Washington Post. Bezos Earth Fund. Bezos Academy.	98	994	9
7.	(7)	Player X Exponential Entrepreneur\| Best-Selling Author \| Commercial Space Enthusiast \| Abundance Curator \|@Xprize Founder	97	993	9
8.	(8)	Player X Tie-loathing adventurer, philanthropist & troublemaker, who believes in turning ideas into reality. Astronaut 001, otherwise known as Dr Yes at @virgin!	96	992	9
9.	(9)	Player X 88 yrs young. Gemini 12 & Apollo 11 Astronaut & Moonwalker; West Point to USAF Colonel, Korean War veteran; Doctorate, MIT Founder, Human SpaceFlight Institute	88	983	7
10.	(10)	Player X Генеральный директор Государственной корпорации РОСКОСМОС, доктор технических наук, доктор философских н�...	87	982	7
11.	(11)	Player X (a.k.a. Dr Katherine J Mack) astrophysicist/cosmologist, occasional freelance science writer, connoisseur of airplane food	87	965	8
12.	(12)	Player X Astronaut, Fly to ISS 2019-2020. President, Association of Space Explorers of Asia https://t.co/PoUD1aWWmZ https://t.co/ULPxVjHjgZ	87	978	7
13.	(13)	Player X Director General, UAE Space Agency	85	965	7
14.	(14)	André Kuipers European Space Agency astronaut, 204 days in space for mission DELTA (2004) & Expedition 30/31 (2011/12)	83	961	8
15.	(15)	Player X Canadian Astronaut, back on Earth after 3 spaceflights. For events and media, please write to info@chrishadfield.ca.	83	964	7
16.	(16)	Player X NASA Astronaut/Aquanaut	83	993	6
17.	(17)	Player X European of Italian nationality. @ESA astronaut. ISS Exp 42/43. Book out Oct 4 (proceeds to @UNICEF_Italia) https://t.co/2Jw0oLcabp In English in 2019!	82	963	7
18.	(18)	Player X @ESA astronaut of #Italian nationality. Italian Air Force test pilot. I flew on the #ISS with #Exp36 #Exp37 #Volare. I was Commander of #CAVES14 and #NEEMO20.	82	962	7
19.	(19)	Mike Massimino Former @NASA astronaut, Professor at Columbia @CUSEAS, Sr. Advisor for Space Programs @IntrepidMuseum, Author of #Spaceman	81	961	7
20.	(20)	Alexander Gerst European of German nationality, @ESA astronaut, geophysicist, volcanologist, explorer. One of six humans currently in space, serving as Commander of ISS Exp57	81	989	6
21.	(21)	Player X https://t.co/zl81o1KrUc	81	988	6
22.	(22)	Player X Asst Prof of Planetary Sci @JohnsHopkins and Titan evangelist. “I try not to hope and fail utterly” -@nkjemisin. she/her https://t.co/KTdjavkCds	81	896	9
23.	(23)	Player X Cassini imaging lead. Visiting Scholar UC Berkeley. National Geographic Eliza Scidmore awardee. I think. I speak. I write. Opinions are my own.	80	930	8
24.	(24)	Player X Européen Français, pilote de vaisseau spatial à l'ESA de retour de 6 mois de mission sur l'ISS / ESA Euro-French spacecraft pilot, back from 6-month ISS mission	80	944	7
25.	(25)	Player X Theoretical Physicist, Cosmologist, Best-Selling Author, Producer, Actor, Science and Public Policy Advocate	79	943	7
26.	(26)	Player X ESA astronaut & test pilot back on Earth after 6 months in space. New book out now (proceeds to Prince's Trust): https://t.co/VN6VuYbGiH Tweets are my own	78	971	6
27.	(27)	Dr. Phil Metzger Planetary scientist at @UCF. CoFounder NASA KSC SwampWorks. Space Mining. Space Settlement. Science.	78	914	8
28.	(28)	Player X JAXA宇宙飛行士 JAXA Astronaut	78	969	6
29.	(29)	Player X In God I trust. All others must bring data. Father, Speaker, Photographer, Astronaut, Author of "View From Above": https://t.co/5XQ7BtJsM4	77	965	6
30.	(30)	Player X Astronaut, Scientist, Explorer	72	887	7
31.	(31)	Player X Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad. Dangerous secularist.	71	867	7
32.	(32)	Player X Космонавт-испытатель Роскосмоса Россия. Бортинженер МКС - Test Cosmonaut Roscosmos, Russia. Flight Engineer ISS Exp39/40 Exp40, Exp55/56	70	921	6
33.	(33)	Karen L. Nyberg Wife & Mother, NASA Astronaut. Flew on Space Shuttle Discovery in 2008. Lived on Space Station for 6 mths in 2013. https://t.co/VCUJ47MxOH	69	976	5
34.	(34)	Player X Canadian Space Agency Astronaut since 2009. Ontario-native and former CF-18 fighter pilot.	68	904	6
35.	(35)	Player X Ingeniero Aeronáutico de @La_UPM. Astronauta @ESA desde 1992. Ministro de Ciencia, Innovación y Universidades de España. Science Minister - Spain @cienciagob	67	897	6
36.	(36)	Player X Orphan of Apollo. A Founder of the International Space University, Singularity University, SEDS, Space Generation, Odyssey Moon & Moon Express (CEO).	66	796	7
37.	(37)	Koichi Wakata JAXA Astronaut & VP. Flew on Shuttle Endeavour & Discovery, ISS, Soyuz TMA-14 & TMA-11M. Time in space 347 days.	66	964	5
38.	(38)	Player X Retired Astronaut, Husband, Father, Christian, USAF Col (Ret), Texas A&M, Eagle Scout, Scoutmaster, Grandfather. Former Commander of Expedition 29.	66	889	6
39.	(39)	Player X President and CEO United Launch Alliance @ULAlaunch, ...Rocket Scientist, Horseman, proud @calpoly alum	64	786	7
40.	(40)	Player X Canadian Space Agency astronaut. Flew to space on December 3, 2018. Astronaute de l’Agence spatiale canadienne. S’est envolé dans l’espace le 3 déc. 2018.	63	862	6
41.	(41)	Player X ESA astronaut from Denmark. Visited the International Space Station in September 2015. Aerospace engineer. Rugby, adventure sports enthusiast. #Longhorns	62	856	6
42.	(42)	Player X Astronaut (STS-119, NEEMO 13, #CAVES2016, Expedition 55/56 on ISS) & Educator. Tweets are my own. IG:@astro_ricky	59	798	6
43.	(43)	Player X A USAF Officer, former test pilot & astronaut--hoping to pass along my passion for space & the Air Force I love--I dare you to dream! Views are my own	58	795	6
44.	(44)	Player X Лётчик-Космонавт	58	902	5
45.	(45)	Player X NASA Astronaut, Expedition 37/38 Flight Engineer	56	948	4
46.	(46)	Player X Russian cosmonaut. Former Colonel of the Russian Air Force, fighter pilot. International Space Station Exp 29/30 and 42/43, 54/55	55	888	5
47.	(47)	Player X Physicist, Author, Co-founder @WorldSciFest	55	940	4
48.	(48)	Player X Father, Husband, NASA Astronaut, USAF Col, @Caltech and @WUSTL graduate. Crew for @NASA's @Commercial_Crew, flying @SpaceX's 1st Human mission next!	55	782	6
49.	(49)	Player X NASA Astronaut; STS-127, Exp 34/35	54	939	4
50.	(50)	Ellen Stofan John and Adrienne Mars Director of National Air and Space Museum, Planetary geologist, STEM advocate, former Chief Scientist of NASA. My tweets are my own.	54	779	6
51.	(51)	Player X NASA Astronaut, ISS Expedition 47 Commander.	54	862	5
52.	(52)	Player X Astronaut @esa- Flight Engineer Exp.52/53 (Jul - Dec 2017), the 3rd @ASI_spazio (Italian Space Agency) long duration mission to the ISS	52	915	4
53.	(53)	Player X CEO Coalition Deep Space Exploration; @NASA advisor; @NASciences Space Studies Board; Nat. Space Council Users' Advisory Grp; @FAANews COMSTAC; #WomanInSTEM	52	744	7
54.	(54)	Player X CEO of Virgin Galactic and The Spaceship Company; Board, Virgin Orbit. Husband of Loretta and dad to two great kids. Mountain biker. Its all coming together!	49	763	6
55.	(55)	Player X Husband, Dad, @USNavy Commander and @NASA Astronaut https://t.co/0itlNRflfs	48	760	6
56.	(56)	Capt. Mike Foreman Believer. Former NASA Astronaut, Test Pilot. Naval Aviator. Space Shuttle missions: STS-123, STS-129. Mayor of Friendswood, TX. Mayor@Friendswood.com	47	786	5
57.	(57)	Player X Space nerd in paradise. Back on Earth after 141 days on the International Space Station. What a ride!	45	850	4
58.	(58)	Player X Just your typical story about a kid who grew up in New Jersey and studied hard, got good grades and somehow became a NASA Astronaut.	44	742	6
59.	(59)	Player X 2015年7月～１２月ＩＳＳ長期滞在。JAXA宇宙飛行士グループ長 In 2011 became a JAXA astronaut, Кимия Юи；В 2011 году стал астронавтом JAXA 過去の...	42	919	3
60=	(60)	Player X NASA Astronaut. Comparative physiologist. Explorer. Nature lover.	42	770	5
60=	(60)	Player X Astronaut and more...	42	770	5
62.	(62)	Player X @BoeingSpace Astronaut Naval Aviator, TOPGUN & Drexel Grad. Flew to space 3x & commanded the last shuttle, returning on the Starliner. Go Birds! Views are mine.	41	793	4
63.	(63)	Player X @NASA Administrator. Husband. Father. Veteran. https://t.co/zjlQuVy4s1	39	784	4
64.	(64)	Player X Co-Founder & CEO of Planet Labs -- building little spaceships to help us to take care of our favourite spaceship, the Earth :)	39	762	5
65.	(65)	Player X Current resident of the International Space Station. Expeditions 58/59, December 2018 - June 2019.	37	755	5
66.	(66)	Player X @MIT Apollo Professor of Astronautics. Explorer-Engineer-Educator-Advocate #STEAMD science, tech, engineering, arts, math, design. Former @NASA Deputy Admin.	37	778	4
67.	(67)	Player X NASA Astronaut, Flight Engineer for International Space Station Expeditions 53 & 54, Flight Engineer 1 for Союз МС-06, and retired US Army Colonel	36	776	4
68.	(68)	Player X 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.	34	768	4
69.	(69)	Jeff Williams NASA Astronaut, US Army Colonel, experimental test pilot, husband, father, grandfather. Bringing the International Space Station to you.	34	829	3
70.	(70)	Player X NASA Astronaut, Aquanaut and Ph.D in Aerospace.	34	767	4
71.	(71)	Player X Karen's husband. Father. NASA Astronaut. Pilot of shuttle missions STS-127 and STS-135. Now training to fly Space X DM-2 crewed test flight.	33	764	4
72.	(72)	Player X Doctorate in Biochemistry, Former NASA Astronaut, 1st female Space Station Commander. Do your best, be positive, and dream BIG!	33	799	3
73.	(73)	Player X ISS Commander Expedition 33; Exp. 32/33; Exp. 14/15	32	889	2
74.	(74)	Player X Canadian Space Agency Astronaut. #Energy and #Combustion researcher.	32	711	5
75.	(75)	Player X NASA Astronaut, US Army Colonel, AH-64 Apache pilot, husband, father, Christian. Excited to share NASA and the International Space Station with you!	30	790	3
76.	(76)	Player X NASA Astronaut, former virus hunter	30	754	4
77.	(77)	Player X Colonel, USAF and NASA Astronaut	30	789	3
78.	(78)	Player X Founder of Ad Astra Rocket Company \|\| NASA Astronaut for a record 7 space missions	29	748	4
79.	(79)	Player X President & CEO of Made In Space	29	650	5
80.	(80)	Player X Director General, Space Exploration \|\| Canadian Space Agency Directeur général, Exploration spatiale \|\| Agence spatiale canadienne @csa_asc // Partum Futurum	28	622	5
81.	(81)	Player X Marine Fighter Pilot, Test Pilot, @NASA Astronaut, Citadel Grad, but most important: incredibly blessed to be a Husband and Father.	27	781	3
82.	(82)	Player X Planetary Resources, Space Adventures, Intentional Software, Booster Fuels.	27	732	4
83.	(83)	Player X NASA astronaut on my 3rd spaceflight. US Marine Corps, Reserve -hydro geologist -peace corps volunteer -and my favorite job, math and science teacher.	26	802	2
84.	(84)	Ellen Ochoa Veteran astronaut. First Hispanic woman in space. 11th director of @NASA_Johnson. Mom. #STEM advocate. Football fan. Classical music fan.	26	715	4
85.	(85)	Player X Co-Founder @MarsOneProject \| Co-Founder @AmpyxPower \| Public Speaker \| Engineer \| Espresso lover \| Optimist	25	714	4
86.	(86)	Player X NASA Astronaut, Physician, Engineer, Aquanaut, proud wife and mother. Currently in Low Earth Orbit for Exp 57	25	774	3
87.	(87)	Player X I am an engineer by schooling, a scientist by profession, and an explorer by heart. I train to fly in space and on occasion, find myself in orbit.	25	823	0
88.	(88)	Player X German ESA Astronaut. In training. Also: Scouting new technologies for ESA astronauts; ISS operations; preparing new space analogues; material science	24	706	4
89.	(89)	Player X Astrophysicist at Princeton University and Flatiron Institute	24	704	4
90.	(90)	Player X Exoplaneteer and Professor of Astronomy at Harvard. Girl Scout leader, hockey coach, and proud father of four daughters and future presidents.	23	667	4
91.	(91)	Player X Husband, father, NASA astronaut, US Coast Guard helicopter pilot (ret.), musician, amateur astronomer	23	764	3
92.	(92)	Player X Président du @CNES, Président du Conseil de l'@ESA et Président de l'@IAFastro	21	636	4
93.	(93)	Player X 宇宙飛行士。約半年にわたる国際宇宙ステーション長期滞在を終え、2018年6月3日に地上に帰還しました。宇宙開発は、未来を作る仕事です。フォ�...	20	757	3
94.	(94)	Player X Prof. Seager is an astrophysicist and planetary scientist at MIT. A pioneer in the vast world of exoplanets, she's on a quest for the holy grail: another Earth.	17	738	3
95.	(95)	Player X Rocket Lab	16	719	3
96.	(96)	Player X President @Airbus Commercial Aircraft	12	657	3
97.	(97)	Player X Космонавт Роскосмоса. Участник космических экспедиций: МКС-17, 28/29 и 45/46. // Roscosmos cosmonaut. A member of 3 missions to the ISS: Exp17, 2...	11	751	1
98.	(98)	Player X CEO @OrionSpan. Building the world’s first luxury space hotel, Aurora Station.	10	559	3
99.	(99)	Player X Honorary Distinguished Advisor DOS/ISRO; Former Chairman, Space Commission/Secretary, Department of Space / Chairman, ISRO (2009-14)	9	529	3
100.	(100)	Player X Former astronaut and current Center Director of Kennedy Space Center.	5	679	1

Bulletin name:

Week 48
Bulletin published at:

8:25pm - 4th Dec 2018
Score Period:

27th Nov - 4th Dec 2018
Previous Bulletin name:

Week 48
Previous Bulletin published at:

7:35pm - 4th Dec 2018
Data Sources:

Kred

The 100 Most Influential Leaders in Space-Exploration Week 48

Leaderboard