Sky & Telescope - March 2024 - 27
TRAPPIST-1 The seven worlds in the Trappist-1 system are locked in a resonant chain, with
each planet's orbital period making simple ratios with those of its neighbors. This pattern can be
translated into sound (above). Shifting the periods to frequencies that are in the human hearing
range assigns each planet a pitch, and the resonances among the periods determine the rhythmic
subdivisions - for example, there are three notes of Trappist-1g for every two of Trappist1h.
(Here, each planet's notes have been shifted from the audio version so that the patterns start
at the beginning of a bar.)
languages, making the wonders of the cosmos accessible
by using sound and tactile, 3D models. These efforts are of
interest to general audiences, but they go beyond outreach:
Scientists themselves are using these tools in their own work,
finding novel ways to interact with data that may bring
insights unreachable through visual means.
The Sound of Space
The creators of the Trappist-1 symphony didn't set out to
make sonifications.
Matt Russo, an astrophysicist and musician, and Andrew
Santaguida, a musician, have been friends since high school
and played in a band together for 15 years. Shortly after Russo
completed his PhD, astronomers discovered the seven rocky
Listen to the Trappist-1 system
and learn more about the physics
and music theory behind the
sonification: https://is.gd/
trappist1_music.
planets of the Trappist-1 system (S&T: June 2017, p. 12).
The planets orbit so close together that they gravitationally
tug on one another as they pass by their neighbors, causing
their orbits to be locked in a pattern, or resonance. The
resonance is what inspired Russo and Santaguida to turn the
information into sound.
" We didn't even know really what sonification was at that
time, " says Santaguida. " Matt just saw that the resonances of
the planets made music. "
In 2020, visualization scientist and science communicator
Kimberly Arcand (Center for Astrophysics, Harvard & Smithsonian)
reached out to Russo and Santaguida after meeting
them at a conference. " We started a project on Chandra
sonifications that really tried to bring all that high-energy,
sk yand tele scope .o r g * MARCH 2024 27
https://www.is.gd/
http://skyandtelescope.org
Sky & Telescope - March 2024
Table of Contents for the Digital Edition of Sky & Telescope - March 2024
Contents
Sky & Telescope - March 2024 - Cover1
Sky & Telescope - March 2024 - Cover2
Sky & Telescope - March 2024 - 1
Sky & Telescope - March 2024 - Contents
Sky & Telescope - March 2024 - 3
Sky & Telescope - March 2024 - 4
Sky & Telescope - March 2024 - 5
Sky & Telescope - March 2024 - 6
Sky & Telescope - March 2024 - 7
Sky & Telescope - March 2024 - 8
Sky & Telescope - March 2024 - 9
Sky & Telescope - March 2024 - 10
Sky & Telescope - March 2024 - 11
Sky & Telescope - March 2024 - 12
Sky & Telescope - March 2024 - 13
Sky & Telescope - March 2024 - 14
Sky & Telescope - March 2024 - 15
Sky & Telescope - March 2024 - 16
Sky & Telescope - March 2024 - 17
Sky & Telescope - March 2024 - 18
Sky & Telescope - March 2024 - 19
Sky & Telescope - March 2024 - 20
Sky & Telescope - March 2024 - 21
Sky & Telescope - March 2024 - 22
Sky & Telescope - March 2024 - 23
Sky & Telescope - March 2024 - 24
Sky & Telescope - March 2024 - 25
Sky & Telescope - March 2024 - 26
Sky & Telescope - March 2024 - 27
Sky & Telescope - March 2024 - 28
Sky & Telescope - March 2024 - 29
Sky & Telescope - March 2024 - 30
Sky & Telescope - March 2024 - 31
Sky & Telescope - March 2024 - 32
Sky & Telescope - March 2024 - 33
Sky & Telescope - March 2024 - 34
Sky & Telescope - March 2024 - 35
Sky & Telescope - March 2024 - 36
Sky & Telescope - March 2024 - 37
Sky & Telescope - March 2024 - 38
Sky & Telescope - March 2024 - 39
Sky & Telescope - March 2024 - 40
Sky & Telescope - March 2024 - 41
Sky & Telescope - March 2024 - 42
Sky & Telescope - March 2024 - 43
Sky & Telescope - March 2024 - 44
Sky & Telescope - March 2024 - 45
Sky & Telescope - March 2024 - 46
Sky & Telescope - March 2024 - 47
Sky & Telescope - March 2024 - 48
Sky & Telescope - March 2024 - 49
Sky & Telescope - March 2024 - 50
Sky & Telescope - March 2024 - 51
Sky & Telescope - March 2024 - 52
Sky & Telescope - March 2024 - 53
Sky & Telescope - March 2024 - 54
Sky & Telescope - March 2024 - 55
Sky & Telescope - March 2024 - 56
Sky & Telescope - March 2024 - 57
Sky & Telescope - March 2024 - 58
Sky & Telescope - March 2024 - 59
Sky & Telescope - March 2024 - 60
Sky & Telescope - March 2024 - 61
Sky & Telescope - March 2024 - 62
Sky & Telescope - March 2024 - 63
Sky & Telescope - March 2024 - 64
Sky & Telescope - March 2024 - 65
Sky & Telescope - March 2024 - 66
Sky & Telescope - March 2024 - 67
Sky & Telescope - March 2024 - 68
Sky & Telescope - March 2024 - 69
Sky & Telescope - March 2024 - 70
Sky & Telescope - March 2024 - 71
Sky & Telescope - March 2024 - 72
Sky & Telescope - March 2024 - 73
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Sky & Telescope - March 2024 - 84
Sky & Telescope - March 2024 - Cover3
Sky & Telescope - March 2024 - Cover4
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