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第62节(第3051-3100行) (62/3207)

can

hold

something

in

theregion

of

500,000,000,000

of

them,

rather

more

than

the

number

of

seconds

contained

in

halfa

million

years.

so

protons

are

exceedingly

microscopic,

to

say

the

very

least.

now

imagine

if

you

can

(and

of

course

you

can’t)

shrinking

one

of

those

protons

down

to

abillionth

of