secret life science.pdf

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T
HE
S
ECRET
L
IFE OF
S
CIENCE
H
OW
I
T
R
EALLY
W
ORKS AND
W
HY
I
T
M
ATTERS
B
Y
J
EREMY
J. B
AUMBERG
Contents
Figure 1.1
Figure 2.1
Figure 2.2
Figure 2.3
Figure 2.4
Figure 2.5
Figure 2.6
Figure 2.7
Figure 2.8
Figure 2.9
Figure 3.1
Figure 3.2
Figure 3.3
Figure 3.4
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6
Figure 4.7
Figure 4.8
Figure 4.9
Figure 4.10
Figure 5.1
Figure 5.2
Figure 5.3
Figure 5.4
Figure 6.1
Figure 7.1
Figure 7.2
Figure 7.3
Figure 7.4
Figure 7.5
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Figure 8.1
Figure 8.2
Figure 9.1
Figure 9.2
Figure 9.3
Figure 9.4
Figure 10.1
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Technology
Training
Us
PUBLIC
Society
Curiosity
Support
Companies
Government
Charities
SCIENCE
Figure 1.1: The bargain of science.
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Luminosity (compared to the sun)
10
6
SUPERGIANTS
10
3
MAIN
SEQUENCE
GIANTS
1
SUN
WHITE DWARFS
10
–3
30,000
Surface temperature (°)
10,000 6,000
3,000
Figure 2.1: Ways of inspiring.
Left:
The ruby- hued Trifid nebula several light years in diameter.
The hydrogen gas core is heated by hundreds of brilliant young stars causing it to emit red
light (just as hot neon gas glows red- orange in illuminated signs). Image credit: R. Jay GaBany,
Cosmotography.com.
Right:
The evolution of stars can be tracked as they cool (from blue-hot
on the left, to red-hot on the right) and fade in luminosity. Image credit: © 2017 ESO.
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