Physics

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Matter falling into a black hole forms a(n) _______________ disk. Fill in the blank(s) with ... Started by tiara099	3 Replies 119 Views	Jul 27, 2018 by Briannahope
Black hole jets are believed to be focused and confined by the enclosing magnetic _______________. ... Started by Destiiny22	1 Replies 89 Views	Jul 27, 2018 by juliaf
The Doppler effect in the spectra of quasars show very high _______________. Fill in the blank(s) ... Started by Evvie72	1 Replies 105 Views	Jul 27, 2018 by ankilker
Ultraluminous radio sources associated with small visible-light objects are called _______________. ... Started by JMatthes	1 Replies 84 Views	Jul 27, 2018 by Pariscourtney
Matter falling into a black hole converts _______________ energy into thermal energy. Fill in the ... Started by casperchen82	3 Replies 130 Views	Jul 27, 2018 by dreamfighter72
Different types of active galaxies are caused by different orientations of the central black hole's ... Started by SO00	1 Replies 50 Views	Jul 27, 2018 by srodz
Active galaxies are the result of galactic _______________. Fill in the blank(s) with correct ... Started by segrsyd	1 Replies 105 Views	Jul 27, 2018 by covalentbond
What two things are unusual about the luminosity of the core of a Seyfert galaxy? What will be an ... Started by tichca	1 Replies 63 Views	Jul 27, 2018 by Bigfoot1984
What is the cause of the lobes in a double-lobed radio galaxy? What will be an ideal ... Started by Haya94	3 Replies 86 Views	Jul 27, 2018 by jonathanballen97
Why are rapid fluctuations in an active galaxy's luminosity evidence for a supermassive black hole? ... Started by codyclark	1 Replies 72 Views	Jul 27, 2018 by Cnarkel
Why do astronomers conclude that quasars are very far away? What will be an ideal ... Started by MGLQZ	1 Replies 77 Views	Jul 27, 2018 by jjorrostieta
Why are active galaxies assumed to be associated with galactic collisions? What will be an ideal ... Started by RRMR	1 Replies 83 Views	Jul 27, 2018 by deja
Discuss the discovery of Seyfert galaxies and their observable properties. What will be an ideal ... Started by torybrooks	3 Replies 73 Views	Jul 27, 2018 by carolinefletcherr
Explain why the observable properties of quasars imply that they are objects from the early Universe ... Started by bobthebuilder	1 Replies 79 Views	Jul 27, 2018 by ebe
What is the unified model of active galactic nuclei? How does it explain differences in the ... Started by luminitza	1 Replies 93 Views	Jul 27, 2018 by tdewitt
Why do astronomers believe that galactic collisions cause active galactic nuclei? What will be an ... Started by dakota nelson	1 Replies 71 Views	Jul 27, 2018 by shailee
How and when did supermassive black holes form? What will be an ideal ... Started by dmcintosh	3 Replies 98 Views	Jul 27, 2018 by zoeyesther
Olber's paradox is explained by the fact that the Universe is neither static nor infinite in age. ... Started by ericka1	1 Replies 83 Views	Jul 27, 2018 by welcom1000
The big bang was an explosion of material that created galaxies flying away from the center of the ... Started by Diane	1 Replies 45 Views	Jul 27, 2018 by aham8f
Cosmologists cannot begin their history of the big bang at a time of exactly zero because it cannot ... Started by captainjonesify	1 Replies 45 Views	Jul 27, 2018 by shayla
The big bang happened everywhere in the Universe at the same time. a. True b. False Indicate ... Started by kwoodring	3 Replies 82 Views	Jul 27, 2018 by cam1229
Tiny amounts of lithium and beryllium were formed in the big bang. a. True b. False Indicate ... Started by mwit1967	1 Replies 89 Views	Jul 27, 2018 by bassamabas
When matter and antimatter particles combine, the two particles annihilate each other and convert ... Started by Pea0909berry	1 Replies 106 Views	Jul 27, 2018 by Sassygurl126
After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the ... Started by danielfitts88	1 Replies 65 Views	Jul 27, 2018 by cloudre37
The Universe is isotropic, but not homogenous. a. True b. False Indicate whether the statement ... Started by Kthamas	3 Replies 80 Views	Jul 27, 2018 by ebe