The Sounds of the Universe - Professor Carolin Crawford
Μεταφορτώθηκε στις 15 Δεκ 2011
In space no-one can hear you
scream... but it is still a noisy Universe. We are familiar with the
many stunning images of space, but these are only part of the whole
human experience. This lecture takes a new approach to appreciating the
Universe, through the vehicle of sound. Once we understand how sound is
propagated, we can look at the how and where it can exist in space. We
examine how sound can be a diagnostic of cosmic phenomena (such as the
song of the Sun and distant stars), the way it can carry energy across
vast volumes of space (away from a black hole humming in B♭), how it can
be a useful way to illustrate processes in astronomy (such as the rapid
spin of pulsars, and other more local radio emissions) and how it is
ultimately responsible for the growth of all structure we see today in
the cosmos.
The transcript and downloadable versions of the lecture are available from the Gresham College website:
http://www.gresham.ac.uk/lectures-and...
Gresham
College has been giving free public lectures since 1597. This tradition
continues today with all of our five or so public lectures a week being
made available for free download from our website.
http://www.gresham.ac.uk
scream... but it is still a noisy Universe. We are familiar with the
many stunning images of space, but these are only part of the whole
human experience. This lecture takes a new approach to appreciating the
Universe, through the vehicle of sound. Once we understand how sound is
propagated, we can look at the how and where it can exist in space. We
examine how sound can be a diagnostic of cosmic phenomena (such as the
song of the Sun and distant stars), the way it can carry energy across
vast volumes of space (away from a black hole humming in B♭), how it can
be a useful way to illustrate processes in astronomy (such as the rapid
spin of pulsars, and other more local radio emissions) and how it is
ultimately responsible for the growth of all structure we see today in
the cosmos.
The transcript and downloadable versions of the lecture are available from the Gresham College website:
http://www.gresham.ac.uk/lectures-and...
Gresham
College has been giving free public lectures since 1597. This tradition
continues today with all of our five or so public lectures a week being
made available for free download from our website.
http://www.gresham.ac.uk
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