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Space Isn't Empty!

from Dr G Goes To Space! by Dr G

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lyrics

We might think that denser regions of space are where the scientific action is
That the study of galaxies, stars and nebulae would be the most informative
And we might think that interstellar space would be a comparative snooze
But there’s a lot about so-called empty space that is fascinating too


Vera Rubin realized all the mass in the galaxy can’t account for its rotation
There must be many times more mass to have sufficient gravitation
Which means most of the matter in the cosmos is of a type we can’t perceive
Dark matter is the name we give to this cosmic mystery



We might think that interstellar space is as cold as anything can be
But space is slightly warmer than absolute zero by 2.7 degrees
Because of cosmic microwave background radiation left over from the big bang
With patterns that can show us how the early cosmos was arranged

We might also find super-high energy particles called cosmic rays
Released from stars and supernovae, perhaps beyond the Milky Way
And we might find massless bodies such as photons in interstellar space
With light, x-rays, and gamma rays, it can be quite a busy place!


We might find quantum fluctuations in what we think is empty space
Where a particle will appear along with its antiparticle mate
Existing only for a moment, they annihilate, and then are gone
The uncertainty principle predicts this strange phenomenon

credits

from Dr G Goes To Space!, released June 26, 2019
Mixed and mastered by Pete MacDonald
Lyrics and music by Greg Melchin

Dr G: vocals, theremin, bass, arpeggio programming
James Spray: synth programming
Pat Healy: guitar

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Dr G Halifax Regional Municipality, Nova Scotia

Dr G is a theremin-playing space geek on a mission to spread the word about science! Merging hooky new wave beats with lyrics explaining science and the natural universe – think Talking Heads fronted by Bill Nye the Science Guy – Dr G creates a sound that is utterly unique, and as educational as it is infectious. ... more

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