Physics

Replies / Views	Last post
Which planet is moving most slowly around the Sun? A) Venus B) Jupiter C) Earth D) They are ... Started by crazycityslicker	1 Replies 191 Views	Jul 27, 2018 by annierak
While luminous enough to be seen with the naked eye, Supernova 1987A was, in fact, in our companion ... Started by sdfghj	1 Replies 91 Views	Jul 27, 2018 by ebe
Imagine that the sun ceased emitting light at wavelengths from about 600 to 700 nm. How would this ... Started by penza	3 Replies 72 Views	Jul 27, 2018 by lkanara2
How far above or below the ecliptic can the Sun move? What will be an ideal ... Started by SAVANNAHHOOPER23	1 Replies 52 Views	Jul 27, 2018 by TDubDCFL
Considering only the role of dark matter and keeping all other factors the same, which hypothetical ... Started by arivle123	1 Replies 35 Views	Jul 27, 2018 by peilian
How do the size and mass of Jupiter's core compare to the size and mass of Earth? A) It is the ... Started by haleyc112	1 Replies 107 Views	Jul 27, 2018 by amit
Gold is rare since the only time it can be formed is during a supernova. Indicate whether the ... Started by lilldybug07	3 Replies 83 Views	Jul 27, 2018 by cassie_ragen
Which of these (hypothetical) modifications would cause lunar eclipses to happen once per month? ... Started by kellyjaisingh	1 Replies 80 Views	Jul 27, 2018 by tanna.moeller
While Kuiper Belt bodies are often larger than any asteroid, we think their density will be lower ... Started by evelyn o bentley	1 Replies 57 Views	Jul 27, 2018 by k.lashomb
For a moon the same density as its planet, the Roche limit lies at ________ times the radius of its ... Started by Deast7027	1 Replies 103 Views	Jul 27, 2018 by joewallace
Which star shows the least motion in the northern sky over the course of an hour? What will be an ... Started by darbym82	3 Replies 96 Views	Jul 27, 2018 by johnpizzaz
Why is Jupiter denser than Saturn? A) The extra mass of Jupiter compresses its interior to a ... Started by cmoore54	1 Replies 111 Views	Jul 27, 2018 by tofugiraffe
If a hydrogen emission line appears at 656.2 nm in the laboratory, what can we say about a cloud of ... Started by fagboi	1 Replies 184 Views	Jul 27, 2018 by adammoses97
The Sun's surface, as we see it with our eyes, is called the ________. A) corona B) chromosphere ... Started by awywial	1 Replies 56 Views	Jul 27, 2018 by Tonny
The second most abundant element in the solar system is A) silicon. B) helium. C) oxygen. D) ... Started by Themember4	3 Replies 81 Views	Jul 27, 2018 by ktidd
The coolest white-dwarf: Surveys have been carried out to identify isolated white-dwarfs throughout ... Started by geoffrey	1 Replies 76 Views	Jul 27, 2018 by Zack0mack0101@yahoo.com
Gibbous means a nearly full moon. If I see a waxing gibbous moon tonight, what moon phase will I see ... Started by Kikoku	1 Replies 138 Views	Jul 27, 2018 by canderson530
Because they all involve formation of iron in the cores of massive stars, all Type II supernovae are ... Started by big1devin	1 Replies 87 Views	Jul 27, 2018 by AngeliqueG
In the Local Group, most members are either dwarf ellipticals or spirals. Indicate whether the ... Started by jace	3 Replies 94 Views	Jul 27, 2018 by bookworm410
Which statement about Jupiter's rings is true? A) They lie inside Jupiter's Roche Limit. B) They ... Started by mrsjacobs44	1 Replies 144 Views	Jul 27, 2018 by nicoleclaire22
Because they all involve the detonation of a carbon-rich white dwarf at the Chandrasekhar limit, all ... Started by chandani	1 Replies 67 Views	Jul 27, 2018 by GCabra
Why is the Earth's daytime sky blue? A) Molecules scatter blue light more than red light. B) The ... Started by fnuegbu	1 Replies 130 Views	Jul 27, 2018 by hugthug12
The number of Type I and Type II supernovae observed are approximately equal. Indicate whether ... Started by Collmarie	3 Replies 89 Views	Jul 27, 2018 by adammoses97
When Saturn is at Equinox, its rings will A) double the planet's brightness. B) appear face-on ... Started by shofmannx20	1 Replies 87 Views	Jul 27, 2018 by pami445
Which of the following situations would result in the longest days during the summer? (Assume an ... Started by yoroshambo	1 Replies 64 Views	Jul 27, 2018 by 1_Step_At_ATime