---------------------- multipart/alternative attachment In a message dated 9/9/03 5:46:52 PM, john@musselwhite.com writes: > NASA's Chandra X-ray Observatory detected sound waves, > for the first time, from a super-massive black hole. > I'm confused. Sound is created by a disturbance in the AIR which emanates from the source and is detected by our ears, or a microphone, etc. Since there is NO AIR in space, how does this 'sound wave' get to earth, and thus be detected by NASA? Tom Sivak ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/c0/d2/89/ef/attachment.htm ---------------------- multipart/alternative attachment--
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