Physics

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What is the origin of short gamma ray bursts? A) the collision of stars in the dense nuclei of ... Started by dbose	3 Replies 78 Views	Jul 27, 2018 by lou
Which two factors are most important to the existence of plate tectonics on Earth? A) oxygen in ... Started by HCHenry	1 Replies 79 Views	Jul 27, 2018 by mceravolo
In Hubble's tuning fork, spirals are on the parallel branches. Indicate whether the statement is ... Started by bcretired	1 Replies 79 Views	Jul 27, 2018 by Hdosisshsbshs
What evidence suggests that long gamma ray bursts originate from supernovae of stars massive enough ... Started by nmorano1	1 Replies 71 Views	Jul 27, 2018 by Moriaki
As a rotating gas cloud contracts, it spins A) at a constant rate. B) faster due to an increase ... Started by dmcintosh	3 Replies 89 Views	Jul 27, 2018 by blakcmamba
If the Earth's rotation axis were tilted by 45 degrees instead of 23.5 degrees, what are some of the ... Started by Mr3Hunna	1 Replies 122 Views	Jul 27, 2018 by Alyson.hiatt@yahoo.com
The mass enclosed in any orbit can be estimated from the equation M( Started by KWilfred	1 Replies 73 Views	Jul 27, 2018 by Athena23
Why does Earth have so little carbon dioxide in its atmosphere compared to Venus? A) Earth once ... Started by Mr3Hunna	1 Replies 109 Views	Jul 27, 2018 by shewald78
If you were to come back to our Solar System in 6 billion years, what might you expect to find? ... Started by vicotolentino	3 Replies 167 Views	Jul 27, 2018 by lcapri7
Suppose the surface temperature of the Sun were about 18,000 K, rather than 6,000 K. How would the ... Started by Lobcity	1 Replies 50 Views	Jul 27, 2018 by fauacakatahaias
The larger terrestrial planets have surface features that tend to be A) more cratered. B) older. ... Started by dollx	1 Replies 70 Views	Jul 27, 2018 by kaillie
The Huygens probe of the ESA made a successful landing on A) Mars. B) Saturn. C) Europa. D) ... Started by haleyc112	1 Replies 107 Views	Jul 27, 2018 by emsimon14
According to modern science, approximately how old is the Sun? A) 25 million years B) 10,000 ... Started by drink	3 Replies 38 Views	Jul 27, 2018 by milbourne11
One of the requirements of the Scientific Method is that an experiment must be ________. Fill in ... Started by savannahhooper	1 Replies 50 Views	Jul 27, 2018 by britb2u
Tonight, your telescope shows you RXJ1800, a galaxy, very near in the sky to the bright star Vega. ... Started by abern	1 Replies 69 Views	Jul 27, 2018 by cswans24
If the Sun passes almost in front of the center of our Milky Way Galaxy, it does so A) once a ... Started by segrsyd	1 Replies 101 Views	Jul 27, 2018 by livaneabi
What is one of the alternatives to the hypothesized existence of dark matter? A) The astronomers ... Started by lb_gilbert	3 Replies 97 Views	Jul 27, 2018 by yasmina
What do both latitude on Earth and declination in the sky measure? What will be an ideal ... Started by acc299	1 Replies 67 Views	Jul 27, 2018 by lorealeza
Most of the extrasolar planets found so far were detected by A) receiving radio transmissions ... Started by clippers!	1 Replies 66 Views	Jul 27, 2018 by mcinincha279
The grooves and ridges on Ganymede are thought to A) be due to the moon's rapid rotation. B) ... Started by cherise1989	1 Replies 58 Views	Jul 27, 2018 by hollysheppard095
The maximum mass for a white dwarf is 1.4 solar masses. Indicate whether the statement is true or ... Started by Zoey63294	3 Replies 108 Views	Jul 27, 2018 by nital
Supergiant stars are burning different fuels in several shells around the core. Indicate whether ... Started by OSWALD	1 Replies 42 Views	Jul 27, 2018 by katieost
The Greeks rejected the notion that the Earth orbits the Sun. Why? A) They could not measure how ... Started by ARLKQ	1 Replies 95 Views	Jul 27, 2018 by Cheesycrackers
A Type Sa galaxy is a spiral with a large bulge and tightly wound arms. Indicate whether the ... Started by hubes95	1 Replies 63 Views	Jul 27, 2018 by britb2u
Which statement about extrasolar planets found to date is true? A) All are terrestrials, ... Started by khang	3 Replies 74 Views	Jul 27, 2018 by guyanai