evolution elliptical

I need help with my homework in astronomy?

1.Compared to spiral galaxies, elliptical galaxies a.have more stars red and are flatter. B.have more blue stars are more round and flat. c.have more red stars and the AER. d.have more stars blue and are more round. 2.A standard candle is a spiral galaxy a.barred b.light known source of light. c.7cm candle wax. G2 star d.pulsating. 3.The mass of a single galaxy could be found by the method a.the rotation curve. bA double galaxy method. c.the cluster method. d.none these classification methods galaxies. 4.Edwin Hubble a.is convenient for astronomers to use. b.suggests the existence of black holes. c.accurately describes the evolution of galaxies. d.explains active galactic nuclei.

CBAA

Evolution of Dance 2

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Mysteries of Galaxy Formation (Springer Praxis Books / Popular Astronomy) $24.96 The mystery of how the galaxies formed is a complex and intriguing subject, involving several different theories and an understanding of many different phenomena. Françoise Combes outlines the context in which the Big Bang and the expansion of the universe occurred and the first ‘inhomogeneities’ from which arose the early structures of the universe. The author describes how, contrary to our…

Black hole found a little off-center: displacement could provide clue to history of galaxy M87.(Atom & Cosmos): An article from: Science News $9.95 This digital document is an article from Science News, published by Science Service, Inc. on June 19, 2010. The length of the article is 500 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.Citation DetailsTitle: Black hole found a little off-center: disp…

Hot Interstellar Matter in Elliptical Galaxies (Astrophysics and Space Science Library) $100.00 Based on a number of new discoveries resulting from 10 years of Chandra and XMM-Newton observations and corresponding theoretical works, this is the first book to address significant progress in the research of the Hot Interstellar Matter in Elliptical Galaxies. A fundamental understanding of the physical properties of the hot ISM in elliptical galaxies is critical, because they are directly relat…

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