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Of these objects, one turned out to be a Galactic variable star not associatedwith
an extragalactic nebula, and seven, including Ritchey's 1917 nova, Z Cen, and
SAnd, are now recognized as supernovae. The remaining three were in factbona
...
Michael F. Bode, Aneurin Evans, 2008
Horn, peering overside, spotted thelights ofa cityto the east, which he couldnot
identify: a patch of misty brilliance likean extragalactic nebula viewed through a
giant telescope, dotted with occasional brighter points like novae.He commented
...
3
The Expanding Universe: Astronomy's "Great Debate," 1900-1931
8 In what follows, 'nebula' implies 'extragalactic nebula' unless otherwise
indicated. 9 Hubble (19266) 324. 10 The possible exception to this was M 87:
see Hubble (1923) . 11 Hubble (1929a) 149. 12 Ibid. By 1936 he was writing that
his ...
Robert William Smith, 1982
4
Cosmic Discoveries: The Wonders of Astronomy
extragalactic nebula a large distance from the Milky Way. In February 1924 he
wrote Shapley that he had found a Cepheid in the Andromeda Nebula, and that
using Shapley's own scale, he had determined that the distance to the nebula
must ...
David H. Levy, Wendee Wallach-Levy, 2001
His paper dealt with the distance an extragalactic nebula was from a. Find the
linear regression model for these data. the Milky Way galaxy and the nebula's
velocity with respect to the Milky Way. The data are given in the following table. b.
Richard Aufmann, Vernon C. Barker, Richard Nation, 2010
6
The God Problem: How a Godless Cosmos Creates
Two images of aquasar eight billionlightyears away. How veryEddington. The
teamhypothesized that the doubleimage was the product of justthe sort oflens
that Zwicky, Eddington, and Einstein had foreseen, an “extragalactic nebula,” a
galaxy ...
7
A Century of Science 1851-1951
The first measurement of the lineofsight velocityof an extragalactic nebula
wasmade in1912 by V. M. Slipher (b.1875) atthe Lowell Observatory.By the year
1925 hehaddetermined thelineofsight velocities of fortyone systems. Forthe
distant and ...
8
A Dictionary of Astronomy
The term extragalactic nebula, originally used for galaxies, is now obsolete.
There are three broad types of gaseous nebula: *emission nebulae, which shine
by their own light; *reflection nebulae, which reflect light from nearby bright
sources ...
9
Deep Sky Objects: The Best and Brightest from Four Decades ...
... anyone caught uttering the words Andromeda Nebula would have to put 25¢
into the observatory's piggy bank. The term extragalactic nebula, also popular at
the time, has thankfully now been replaced by “galaxy.” Nebulae exist in galaxies
.
10
CS12-1 Natural Alchemy: Evolution of Life:
C. C. Zain. Illustrations: FrontView ExtraGalactic Nebula EdgeView ExtraGalactic
Nebula.
