Physics

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Which statement about Saturn's rings is not true? A) The large gap known as the Cassini Division ... Started by kfurse	3 Replies 112 Views	Jul 27, 2018 by marict
What did Galileo discover when looking at the Sun with his telescope, and how did this support ... Started by rl	1 Replies 86 Views	Jul 27, 2018 by dellikani2015
The Pioneer and Voyager spacecraft carry a message from Earth, just in case an alien civilization ... Started by xclash	1 Replies 79 Views	Jul 27, 2018 by billybob123
According to current understanding, which of the following is required in order for a planet to have ... Started by brutforce	1 Replies 40 Views	Jul 27, 2018 by chloejackso
We have already launched a spacecraft bound for Alpha Centauri. Indicate whether the statement is ... Started by urbanoutfitters	3 Replies 136 Views	Jul 27, 2018 by Kaytorgator
In the Hubble Classification scheme, the three main types of galaxies are ________, ________, and ... Started by serike	1 Replies 116 Views	Jul 27, 2018 by lkanara2
Which of the following is the origin of almost all the large moons around the jovian planets? A) ... Started by karlynnae	1 Replies 214 Views	Jul 27, 2018 by stanleka1
The Moon's surface gravity is only half the Earth's. Indicate whether the statement is true or ... Started by jake	1 Replies 64 Views	Jul 27, 2018 by Carliemb17
Rigel, a blue supergiant, is 17 times more massive than the Sun and, therefore, is likely ________ ... Started by dmcintosh	3 Replies 36 Views	Jul 27, 2018 by abctaiwan
Which of the following statements about comets and asteroids is true? A) All asteroids lie in the ... Started by jake	1 Replies 96 Views	Jul 27, 2018 by emily12345
The largest nearby cluster of galaxies lies about 17 Mpc distant in A) Sagittarius. B) Sculptor. ... Started by stephzh	1 Replies 81 Views	Jul 27, 2018 by Alyson.hiatt@yahoo.com
Type I supernovae result from white dwarf stars that have reached a mass of ________ solar masses ... Started by ec501234	1 Replies 102 Views	Jul 27, 2018 by lucas dlamini
How do the two factors (mass and distance) in Newton's law of gravitation each affect the force on ... Started by j.rubin	3 Replies 77 Views	Jul 27, 2018 by akudia
The brightest main-sequence star in a cluster has a temperature of 10,000 K and a luminosity about ... Started by fagboi	1 Replies 107 Views	Jul 27, 2018 by billybob123
The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the ... Started by fahad	1 Replies 106 Views	Jul 27, 2018 by johnpizzaz
How do low mass stars transport newly formed elements into the interstellar medium? A) stellar ... Started by gonzo233	1 Replies 129 Views	Jul 27, 2018 by pangili4
Massive stars form cores of ________ before exploding as Type II supernovae. Fill in the blank(s) ... Started by Beheh	3 Replies 139 Views	Jul 27, 2018 by Moriaki
The thickness of the photosphere is about 100 times the diameter of the Earth, and large sunspots ... Started by notis	1 Replies 64 Views	Jul 27, 2018 by jliusyl
The Earth's inner core is about the same temperature as the surface of the Sun. Indicate whether ... Started by dbose	1 Replies 50 Views	Jul 27, 2018 by sokh
Why was Copernicus' model much simpler than Ptolemy's? What will be an ideal ... Started by Beheh	1 Replies 84 Views	Jul 27, 2018 by k2629
A recurring nova might eventually build up enough mass to become a Type ________ supernova. Fill ... Started by BRWH	3 Replies 92 Views	Jul 27, 2018 by nathang24
How do high mass stars transport newly formed elements into the interstellar medium? A) supernova ... Started by Davideckstein7	1 Replies 103 Views	Jul 27, 2018 by InfiniteSteez
The Sun's structure is uniform throughout its interior, with no evidence of different layers. ... Started by WWatsford	1 Replies 73 Views	Jul 27, 2018 by tjayeee
The apparent brightness of a star depends only on its luminosity. Indicate whether the statement ... Started by laurencescou	1 Replies 76 Views	Jul 27, 2018 by wfdfwc23
Elliptical galaxies contain only Population ________ stars and little gas and dust. Fill in the ... Started by Collmarie	3 Replies 137 Views	Jul 27, 2018 by marict