The Indianapolis times. [volume] (Indianapolis [Ind.]) 1922-1965, 1933-04-19
-Dietz on Science
SAvANT AYERS
THAT UNIVERSE
is EXPANDING
Theory Is Advanced by
Leading Authority on
Relatively.
BY DAVID DIETZ
SerippS Howard Science Editor

No reader may pride himself up
on q knowledge of the latest trends
in astronmy, cosmogony and rel
ativity, until he has read Sir
Arthur Eddington's The Expanding
Universe" You must read it, if you
would be up TO date in the latest
scientific theories and their philo-
sophical implications.
The task is not as difficult as the
reader might at first suppose. The
book is small one of 1870 pages
and Sir Arthur. who is past mas
ter in the art of popularizing science,
bears in mind at all times that he
is addressing the layman
Even so, you can't read the book
in an evening as you would the lat
est mystery thriller But you can
read it in two or three evenings.
Given in Lecture
At times, you will have to give it
pretty close concentration. 1t isn't
one of those books you can read
while the radio is going But in the
end, you will agree that it has been
more fascinating thar a great many
mystery thrillers, and certainly far
more instructive.
The book represents an amplified
version Of public lecture which Sir
Arthur delivered at Cambridge,
Mass, in September. 1882, during
the meeting of the International AS
Economical Union. He also spoke
upon the same subject in three
radio addresses during the weeks
following the meeting of the union.
Friend of EinStein
Sir Arthur is a close friend of
Professor Albert Einstein, and one
of the worlds leading authorities
upon relatively. In 1919, he headed
one of the expeditions which Certi-
fled the displacement of star images
during an eclipse of the sun, and
thus helped bring the Einstein
theory its first worldwide atten-
tion.
AS the title of the book indicates.
Edu.ngton believes that the universe
is g.O1lng larger and larger, that
tn component paris Of the universe
are scaOCering through space so as
to occupy an ever-increaSlng volume
of space.
Turns TO Atom
This notion of al expanding uni
ve-se nrst grew OUT Of certain con-
slGe.aCionS Of the Einstein equations
by the Dutch astronomer, De Sitter,
and the Belgian mathematician. Lee
ma re.
That all the distant spiral nebu-
lac actually were receding from the
earth, as required by the theory,
was verified by the American as
tronomers, Slipher, Hubble and HUI
mason.
Eddington undertakes to arrive at
the dimensions and rate of eXpan-
sion of the universe. To do this,
he vurns, not to the distant spiral
rebI-ae. but to the atom and its
yet timer component, the electron.
Provides New Theory
The theory OF the expanding uni
ve.Se first came into existence as an
a.t~mpt to explain a term in one
of the Einstein equations. This was
represented by the Greek letter,
lambda" and came to be known
as the "cosmical constant"
To Eddington. the cosmical con-
stanc is one Of the most fundamen-
tai things in the universe. 1t de-
termlnes the size Of the universe
and the size OF the atom.
Tcus. he provides a common
meeting ground for astronomy, rela-
tiy.y. and the newest theory of
at structure, namely, wave me-
G.
Expanding Universe" is pub
lis by the Macmillan Company
at