Similar to スニヤエフ・ゼルドビッチ効果
 - Be星Be star
 - BLC-1BLC1
- BOOMERanGBOOMERanG experiment▼-5 trends
 - 利用者:Loopsn/sandbox
- BOSSグレートウォールBOSS Great Wall
 - B型主系列星B-type main-sequence star
 - B型準矮星Subdwarf B star
 - B型小惑星B-type asteroid
 - C/1664 W1
 - C/1910 A1Great January Comet of 1910
 - C/2015 K7 (COIAS)
 - C/2024 G3 (ATLAS)C/2024 G3 (ATLAS)
 - 紫金山・アトラス彗星C/2023 A3 (Tsuchinshan–ATLAS)▲1 trends
 - C/2024 S1 (ATLAS)C/2024 S1 (ATLAS)
 - C/2025 F2 (SWAN)C/2025 F2 (SWAN)
 - CARMACombined Array for Research in Millimeter-wave Astronomy
 - CARMENES
 - CD -38°245
 - CD銀河Type-cD galaxy
 - CERGACERGA Observatory
 - CfA赤方偏移サーベイCfA Redshift Survey
 - CFBDSIR 1458+10CFBDSIR J145829+101343
 - CFBDSIR J214947.2-040308.9CFBDSIR 2149−0403
 - Cha 110913-773444Cha 110913−773444
 - CHIPSatCHIPS (satellite)
 - CHIRON
 - CH星CH star
 - CID-42CID-42