Physics

Replies / Views	Last post
One of the rare galaxies that is isolated in space is likely to be a(n) ____. a. starburst galaxy ... Started by casperchen82	1 Replies 175 Views	Jul 27, 2018 by hramirez205
At the longest look-back times, we see ____. a. redshifted irregular galaxies b. redshifted dwarf ... Started by audragclark	1 Replies 58 Views	Jul 27, 2018 by 31809pancho
S0 galaxies have spiral arms, but little to no gas and dust. This is believed to happen because ... Started by notis	1 Replies 76 Views	Jul 27, 2018 by lou
A galaxy with randomly oriented elongated star orbits and little gas and dust would be a(n) ... Started by ghost!	3 Replies 98 Views	Jul 27, 2018 by cdmart10
_______________ galaxies have star formation, but no clear shape. Fill in the blank(s) with ... Started by CBme	1 Replies 148 Views	Jul 27, 2018 by Kaytorgator
Because the Hubble constant has a value of 70 km/s/Mpc, a galaxy with a recession velocity of 21,000 ... Started by go.lag	1 Replies 177 Views	Jul 27, 2018 by flexer1n1
_______________ are objects of known luminosity used for finding distances. Fill in the blank(s) ... Started by haleyc112	1 Replies 139 Views	Jul 27, 2018 by BUTTHOL369
The _______________ time is the amount of time it took light to travel from a celestial object to ... Started by c0205847	3 Replies 150 Views	Jul 27, 2018 by kthug
The mass of a galaxy can be determined from its _______________ curve. Fill in the blank(s) with ... Started by KimWrice	1 Replies 97 Views	Jul 27, 2018 by nmyers
The mass of a galaxy's central black hole is proportional to the mass of its _______________. ... Started by anjilletteb	1 Replies 74 Views	Jul 27, 2018 by fraziera112
The velocity dispersion method can be used to find the _______________ of a galaxy. Fill in the ... Started by JGIBBSON	1 Replies 47 Views	Jul 27, 2018 by cassie_ragen
Galactic _______________ describes the process of a large galaxy absorbing a smaller one. Fill in ... Started by sheilaspns	3 Replies 84 Views	Jul 27, 2018 by tashiedavis420
Gravitational _______________ can be used to detect dark matter. Fill in the blank(s) with ... Started by DyllonKazuo	1 Replies 70 Views	Jul 27, 2018 by al
A galaxy that has created a large number of young stars all at once is a(n) _______________ galaxy. ... Started by jCorn1234	1 Replies 82 Views	Jul 27, 2018 by Carliemb17
A galaxy that has gone through many collisions and mergers must be a(n) _______________ galaxy. ... Started by viki	1 Replies 58 Views	Jul 27, 2018 by asware1
Gentle tidal interactions are probably necessary to support the formation of _______________ in a ... Started by sc00by25	3 Replies 71 Views	Jul 27, 2018 by isabelt_18
All of the farthest detectable galaxies are _______________ galaxies. Fill in the blank(s) with ... Started by cabate	1 Replies 105 Views	Jul 27, 2018 by lou
Briefly describe the characteristics of an elliptical galaxy. What will be an ideal ... Started by londonang	1 Replies 80 Views	Jul 27, 2018 by amandalm
How are standard candles used to measure distance? What will be an ideal ... Started by tnt_battle	1 Replies 36 Views	Jul 27, 2018 by enass
How does the Milky Way compare to other spiral galaxies in size? What will be an ideal ... Started by kaid0807	3 Replies 106 Views	Jul 27, 2018 by 234sdffa
Is dark matter important in other galaxies and galactic clusters? What will be an ideal ... Started by jazziefee	1 Replies 153 Views	Jul 27, 2018 by cuttiesgirl16
What is galactic cannibalism? What will be an ideal response? ... Started by jake	1 Replies 40 Views	Jul 27, 2018 by Joc
Discuss the discovery of galaxies, and the scientific debate that led astronomers to identify them ... Started by nelaaney	1 Replies 71 Views	Jul 27, 2018 by ebe
Why are methods to determine the distances to galaxies termed the distance ladder? Explain the term ... Started by cmoore54	3 Replies 103 Views	Jul 27, 2018 by SeanoH09
Discuss two ways of detecting dark matter in distant galaxies and clusters. What will be an ideal ... Started by rl	1 Replies 64 Views	Jul 27, 2018 by heyhey123