Physics

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Compared to its size, the Milky Way is very far away from all other galaxies. Indicate whether ... Started by vHAUNG6011	1 Replies 71 Views	Jul 27, 2018 by samiel-sayed
The transit method of planet detection works best for A) big planets in face-on orbits around ... Started by corkyiscool3328	3 Replies 104 Views	Jul 27, 2018 by ky860224
The depth of the dip in a star's brightness due to the transit of a planet depends most directly on ... Started by iveyjurea	1 Replies 80 Views	Jul 27, 2018 by mk6555
Helium fusion results in the production of A) iron. B) nitrogen. C) carbon. D) oxygen. E) ... Started by PhilipSeeMore	1 Replies 84 Views	Jul 27, 2018 by Gabe
What happens after the helium flash? A) The core suddenly contracts. B) The star breaks apart in ... Started by justinmsk	1 Replies 109 Views	Jul 27, 2018 by HandsomeMarc
Which planet search technique is currently best suited to finding Earth-like planets? A) transit ... Started by mspears3	3 Replies 81 Views	Jul 27, 2018 by Loise Hard
What direct evidence do we have that the weak and electromagnetic forces were once unified as a ... Started by laurencescou	1 Replies 72 Views	Jul 27, 2018 by braelync
Which two quantities need to be measured in order to determine the density of a planet? A) mass ... Started by misspop	1 Replies 105 Views	Jul 27, 2018 by mcarey591
A Life Calendar: Make a life calendar for hypothetical person. Assume that this person lived 80 ... Started by cnetterville	1 Replies 215 Views	Jul 27, 2018 by ryhom
Which of the following sequences correctly describes the stages of life for a low-mass star? A) ... Started by Themember4	3 Replies 144 Views	Jul 27, 2018 by LVPMS
What type of observation can astronomers use to measure the composition of extrasolar planet ... Started by Ebrown	1 Replies 72 Views	Jul 27, 2018 by Swizqar
Stellar and galactic crowding: The comparison of objects' sizes to the distance between them gives a ... Started by tsand2	1 Replies 46 Views	Jul 27, 2018 by hanadaa
How can astronomers currently determine the temperature of an extrasolar planet? A) estimate the ... Started by fahad	1 Replies 85 Views	Jul 27, 2018 by Cheesycrackers
How is the atmosphere of a planet affected by the rotation rate? A) Faster rotation rates raise ... Started by cdr_15	3 Replies 264 Views	Jul 27, 2018 by ryansturges
Suppose it takes 6 seconds for a watermelon to fall to the ground after being dropped from a tall ... Started by burton19126	1 Replies 123 Views	Jul 27, 2018 by owenfalvey
What kinds of atomic nuclei formed during the nucleosynthesis era? A) only hydrogen B) ... Started by anjilletteb	1 Replies 86 Views	Jul 27, 2018 by mcinincha279
Why did the era of nucleosynthesis end? A) Too many heavy elements were produced. B) Neutrinos ... Started by danielfitts88	1 Replies 98 Views	Jul 27, 2018 by ttt030911
Give an example in which kinetic energy can be converted to thermal energy. What will be an ideal ... Started by burchfield96	3 Replies 95 Views	Jul 27, 2018 by Tabitha_2016
In what ways is Earth different from the other terrestrial planets? A) Most of its surface is ... Started by Zoey63294	1 Replies 67 Views	Jul 27, 2018 by kjo;oj
Briefly explain why an expanding universe implies a beginning (called a Big Bang). What will be ... Started by daltonest1984	1 Replies 48 Views	Jul 27, 2018 by 234sdffa
Why did the era of nuclei end when the universe was about 380,000 years old? A) The ... Started by tiara099	1 Replies 39 Views	Jul 27, 2018 by brbarasa
Briefly explain why Earth feels a greater tidal force from the Moon than from the Sun, even though ... Started by Davideckstein7	3 Replies 109 Views	Jul 27, 2018 by Ahnyah
Evidence that the cosmic background radiation is the remnant of a Big Bang comes from predicting ... Started by Lisaclaire	1 Replies 70 Views	Jul 27, 2018 by Chocorrol77
The reason that most extrasolar planets discovered by the transit technique are found close to their ... Started by joe	1 Replies 64 Views	Jul 27, 2018 by ryrychapman11
At least ________ of stars host at least one planet. A) 70 B) 1 C) 10 D) ... Started by CQXA	1 Replies 87 Views	Jul 27, 2018 by s.meritte