Physics

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_____ is the site of most of the star formation in the Milky Way Galaxy. A) The disk component ... Started by amal	3 Replies 84 Views	Jul 27, 2018 by johnharpe
The center of the Milky Way is in _____. A) Sagittarius B) Aquarius C) Perseus D) ... Started by laurencescou	1 Replies 56 Views	Jul 27, 2018 by mariahkathleeen
To _____ is to make observations of reference objects, checks on instrument performance, and ... Started by Pea0909berry	1 Replies 75 Views	Jul 27, 2018 by LP
Identify a true statement about Population II stars. A) Most of them are post-main sequence ... Started by luminitza	1 Replies 68 Views	Jul 27, 2018 by IAPPLET
In astronomical usage, all atoms heavier than helium are referred to as__________. A) metals B) ... Started by panfilo	3 Replies 55 Views	Jul 27, 2018 by Cnarkel
Which of the following is true of Population I stars? A) They are usually found in the halo of ... Started by chads108	1 Replies 34 Views	Jul 27, 2018 by amynguyen1221
The bright O and B tracers make the spiral arms of galaxies, including ours, appear to be _____. ... Started by TFauchery	1 Replies 60 Views	Jul 27, 2018 by frejo
Population II stars contain about _____ atoms heavier than helium. A) 0.1 percent B) 0.5 ... Started by rmenurse	1 Replies 60 Views	Jul 27, 2018 by kishoreddi
Which of the following is true of O and B stars? A) Their parallax is too small to measure. B) ... Started by asan beg	3 Replies 85 Views	Jul 27, 2018 by yasmin
Briefly describe Sagittarius A. What will be an ideal response? ... Started by Mr. Wonderful	1 Replies 81 Views	Jul 27, 2018 by stano32
Give a brief account of the abundance of chemical elements in the Universe. What will be an ideal ... Started by renzo156	1 Replies 53 Views	Jul 27, 2018 by phuda
Once black holes become dormant, they cannot become active galactic nuclei (AGN) again. Indicate ... Started by penza	1 Replies 71 Views	Jul 27, 2018 by mistyjohnson
A few collisions and mergers could leave a galaxy with no gas and dust from which to make new stars. ... Started by Kikoku	3 Replies 81 Views	Jul 27, 2018 by trog
Starburst galaxies are invisible in the infrared range. Indicate whether the statement is true or ... Started by Mollykgkg	1 Replies 60 Views	Jul 27, 2018 by Ahernandez18
Spiral Seyfert galaxies are very similar to the giant elliptical galaxies that have double radio ... Started by Metfan725	1 Replies 96 Views	Jul 27, 2018 by ynlevi
In double-lobed radio sources, active galactic nuclei (AGN) jets seem to be related to matter ... Started by Garrulous	1 Replies 74 Views	Jul 27, 2018 by TheNamesImani
Some Seyfert nuclei emit more energy than the energy emitted by the entire Milky Way Galaxy. ... Started by EAugust	3 Replies 98 Views	Jul 27, 2018 by blazinlyss
The radio lobes of double-lobed radio sources are inflated by jets of excited gas emerging in two ... Started by Zulu123	1 Replies 117 Views	Jul 27, 2018 by at
A__________is an otherwise normal spiral galaxy with an unusually bright, small core that fluctuates ... Started by casperchen82	1 Replies 51 Views	Jul 27, 2018 by ambernicolefink
According to the Hubble law, the relationship between the distances to galaxies and the apparent ... Started by Mimi	1 Replies 64 Views	Jul 27, 2018 by kbennett34
Which of the following is the most precise method for measuring the mass of a galaxy? A) The ... Started by HudsonKB16	3 Replies 33 Views	Jul 27, 2018 by olivia_paige29
The _____ of active galactic nuclei (AGN) is an attempt to explain the different types of AGN using ... Started by Kthamas	1 Replies 37 Views	Jul 27, 2018 by heinisk01
The look-back time to the Sun is _____. A) 1.3 minutes B) 8 minutes C) 16.2 minutes D) 20 ... Started by dejastew	1 Replies 178 Views	Jul 27, 2018 by kingfahad97
Which of the following is true of supermassive black holes? A) They are found only in elliptical ... Started by ghost!	1 Replies 111 Views	Jul 27, 2018 by Pswine
Which of the following information is required to compute the mass of a galaxy using the rotation ... Started by BRWH	3 Replies 92 Views	Jul 27, 2018 by nicoleclaire22