2. Initialism. (space US) (initialism of Solar Dynamics Observatory Solar Dynamics Observatory) ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of SDO
SDAs SDBA SDCH SDE SDF SDG SDGs SDH SDHC SDI | SDK SDKs SDL SDLP SDMA SDO (current term) SDP SDR SDRAM SDS | SDSL SDZ 90-215 synthetase SE SEA SEAL SEALs SEAQ SEAT SEATO SEAsianE |