Physics

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Shapley used the distribution of globular clusters in our galaxy to determine that the Sun was not ... Started by nummyann	1 Replies 84 Views	Jul 27, 2018 by kishoreddi
The Solar Neutrino Problem is that we observe more neutrinos than predicted. Indicate whether the ... Started by burton19126	1 Replies 99 Views	Jul 27, 2018 by nital
Two stars, Fred and Barney, are of the same size. Fred has spectral type F, while Barney has ... Started by corkyiscool3328	3 Replies 221 Views	Jul 27, 2018 by jliusyl
All heavy elements are made during supernova explosions. Indicate whether the statement is true ... Started by soccerdreamer_17	1 Replies 85 Views	Jul 27, 2018 by reelove4eva
Which of the following is not key evidence in support of the idea that all life today shares a ... Started by Chloeellawright	1 Replies 73 Views	Jul 27, 2018 by zenzy
How many moons is Pluto known to have? A) none B) three C) one D) four E) ... Started by shenderson6	1 Replies 55 Views	Jul 27, 2018 by phuda
You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop ... Started by dbose	3 Replies 108 Views	Jul 27, 2018 by Dinolord
The minimum period of light variations are used to find the ________ of the central engine in ... Started by gbarreiro	1 Replies 72 Views	Jul 27, 2018 by mochi09
The major presence of water detected on the Moon is in A) the puffs of steam seen coming from ... Started by awywial	1 Replies 72 Views	Jul 27, 2018 by janieazgirl
The star-gas-star cycle will continue forever because stars are continually recycling gas. ... Started by jho37	1 Replies 66 Views	Jul 27, 2018 by meryzewe
List at least three of the notable exceptions to the general patterns of the solar system. What ... Started by kellyjaisingh	3 Replies 84 Views	Jul 27, 2018 by steff9894
According to current science, why didn't oxygen begin to accumulate in the atmosphere for more than ... Started by corkyiscool3328	1 Replies 73 Views	Jul 27, 2018 by reversalruiz
The central engine for active galaxies is believed to be a(n) ________. Fill in the blank(s) with ... Started by jilianpiloj	1 Replies 123 Views	Jul 27, 2018 by trog
Scientific thinking is ________. A) completely different from any other type of thinking B) ... Started by Engineer	1 Replies 181 Views	Jul 27, 2018 by trog
Why do blue stragglers stand out in globular clusters? What will be an ideal ... Started by dejastew	3 Replies 78 Views	Jul 27, 2018 by wuly
In the Doppler effect, a redshift of spectral lines shows us the source is receding from us. ... Started by Chloeellawright	1 Replies 96 Views	Jul 27, 2018 by Danny Ewald
Which of the following stars has a spectrum that peaks at the shortest wavelength? A) a blue star ... Started by lbcchick	1 Replies 92 Views	Jul 27, 2018 by aburgess
When we analyze whether a world is a possible home to life, the key thing we look for is ________. ... Started by APUS57	1 Replies 43 Views	Jul 27, 2018 by FergA
The names of the seven days of the week are based on ________. A) the names of prophets in the ... Started by HCHenry	3 Replies 96 Views	Jul 27, 2018 by Melissahxx
A scientist claims that all red main-sequence stars are 1 billion years old. Which of the following, ... Started by appyboo	1 Replies 80 Views	Jul 27, 2018 by matt
The temperature of the photosphere is about A) 3,200 K. B) 5,800 K. C) 11,000 K. D) one ... Started by fbq8i	1 Replies 34 Views	Jul 27, 2018 by Ashley I
The atmospheric gases primarily responsible for our greenhouse effect are A) carbon monoxide and ... Started by anshika	1 Replies 100 Views	Jul 27, 2018 by shailee
The youngest star cluster is the one where the brightest main-sequence stars are A) O stars. B) G ... Started by bobbie	3 Replies 124 Views	Jul 27, 2018 by ttt030911
Like Herbig-Haro objects associated with protostars, the lobes around radio galaxies are the result ... Started by ENagel	1 Replies 71 Views	Jul 27, 2018 by qytan
Stars of less than 8 solar masses will not go supernova. Indicate whether the statement is true ... Started by Caiter2013	1 Replies 58 Views	Jul 27, 2018 by Harbringer