The term interstellar medium is identified in base64 scheme by the sequence aW50ZXJzdGVsbGFyIG1lZGl1bQ==, while the MD5 signature is equal to 3d73c2d357b9975b2872d1d0f5297413. The ASCII encoding of interstellar medium in hexadecimal notation is 696e7465727374656c6c6172206d656469756d.