Astronomy
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Neil deGrasse Tyson 14,710,393
Science Channel 3,252,155
NASA Webb Telescope 2,989,023
Chris Hadfield 2,310,402
Dr. Buzz Aldrin 1,565,008
Astronomy Picture Of the Day 1,477,581
Universal-Sci 877,334
Dr. Michio Kaku 872,686
NASA Voyager 857,089
大江麻理子 Mariko Oe 750,038
NOGUCHI, Soichi 野口 聡一（公式） 728,215
The SETI Institute 724,157
ISRO's Mars Orbiter 598,307
NSFVoyager2 509,621
André Kuipers 444,376
ESA Science 430,911
Katie Mack 417,566
ESA Operations 337,630
VirtualAstro 233,410
Nicole Stott 163,715
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Doug Wheelock 
Ron Garan 
MAVEN Mission to Mars 
⋆ 
ESA France 
Mark Thompson 
Jon Culshaw 
NASA_TESS 
ExoMars orbiter 
Fraser Cain 
ARSAT 
chrislintott 
Frank Garza.eth 
Remco Timmermans 
Hubble Daily Image 
Matthew R Francis 
BlackPhysicists 
maximum_Q™ 
TESS at MIT 
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