Physics

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What two physical processes balance each other to create the condition known as gravitational ... Started by DelorasTo	1 Replies 36 Views	Jul 27, 2018 by stallen
Which galaxy rotation curve, based on hydrogen gas speeds and locations, would indicate an unusually ... Started by waynest	1 Replies 50 Views	Jul 27, 2018 by amcvicar
There is no upper limit to the mass of a neutron star. Indicate whether the statement is true or ... Started by michelleunicorn	1 Replies 39 Views	Jul 27, 2018 by fromAlphatoOmega22
Suppose an astronomer proposed to build a major observatory on the campus of your school. Would it ... Started by natalie2426	3 Replies 50 Views	Jul 27, 2018 by Pariscourtney
The source of energy that keeps the Sun shining today is ________. A) gravitational contraction ... Started by CharlieWard	1 Replies 83 Views	Jul 27, 2018 by soda0602
Define the celestial sphere. What will be an ideal response? ... Started by TVarnum	1 Replies 54 Views	Jul 27, 2018 by vboyd24
The erupting geysers of nitrogen gas on Triton A) are caused by a not yet determined internal ... Started by bio_gurl	1 Replies 69 Views	Jul 27, 2018 by joneynes
A star system can become a Type I supernova several times. Indicate whether the statement is true ... Started by WWatsford	3 Replies 66 Views	Jul 27, 2018 by snackralk
Which of the following would not be considered evidence for dark matter in clusters of galaxies? ... Started by magmichele12	1 Replies 113 Views	Jul 27, 2018 by bitingbit
The Local Group of galaxies spans about 30 million light-years in diameter. Indicate whether the ... Started by bobbie	1 Replies 143 Views	Jul 27, 2018 by mfedorka
Which statement correctly describes the role of gravity in galaxy formation? A) Gravity makes the ... Started by crobinson2013	1 Replies 121 Views	Jul 27, 2018 by micaelaswann
What are the minimum and maximum values for right ascension in the sky? What will be an ideal ... Started by melly21297	3 Replies 92 Views	Jul 27, 2018 by shewald78
Our Sun will likely undergo a nova event in about 5 billion years. Indicate whether the statement ... Started by stephzh	1 Replies 61 Views	Jul 27, 2018 by momolu
As with our own Sun among the neighboring stars, most galaxies in the Local Group are smaller and ... Started by mrsjacobs44	1 Replies 66 Views	Jul 27, 2018 by xoxo123
Exoplanets known as super-Earths A) orbit extremely massive stars. B) have masses comparable to ... Started by mckennatimberlake	1 Replies 59 Views	Jul 27, 2018 by lcapri7
The helium flash is followed within a few million years by the Type II supernova. Indicate ... Started by burton19126	3 Replies 76 Views	Jul 27, 2018 by shewald78
What's the fundamental reason that Mars, unlike the Earth, has become virtually geologically dead? ... Started by jasdeep_brar	1 Replies 57 Views	Jul 27, 2018 by mmpiza
When we say that the Sun is a ball of plasma, we mean that ________. A) the Sun is made of ... Started by xclash	1 Replies 44 Views	Jul 27, 2018 by yeungji
Considering only the role of dark energy and keeping all other factors the same, which hypothetical ... Started by lindiwe	1 Replies 58 Views	Jul 27, 2018 by Danny Ewald
Supernova 1987A was the first supernova observed by astronomers since Galileo first turned a ... Started by Yi-Chen	3 Replies 90 Views	Jul 27, 2018 by kiamars2010
Which Jovian moon shows the most diverse terrain, suggesting a violent impact broke it into many ... Started by maychende	1 Replies 85 Views	Jul 27, 2018 by kswal303
Neutron stars are the densest objects that we can directly observe in the universe. Indicate ... Started by jho37	1 Replies 54 Views	Jul 27, 2018 by cuttiesgirl16
From center outward, which of the following lists the layers of the Sun in the correct order? A) ... Started by acc299	1 Replies 127 Views	Jul 27, 2018 by nmyers
Except for the Local Group, galaxies seem to be isolated and randomly in space. Indicate whether ... Started by yoroshambo	3 Replies 98 Views	Jul 27, 2018 by recede
A rocky body between the orbits of Mars and Jupiter is a(n) A) meteorite. B) comet. C) asteroid. ... Started by HCHenry	1 Replies 64 Views	Jul 27, 2018 by izzat