Physics

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Briefly describe how we can use the orbital characteristics of stars at many distances from the ... Started by captainjonesify	1 Replies 98 Views	Jul 27, 2018 by amandanbreshears
Which of the following discoveries would cause us to re-evaluate the nebular theory for forming ... Started by Capo	1 Replies 72 Views	Jul 27, 2018 by fdliggud
How long does the sunspot cycle last, on average? A) between 25 and 35 days B) about seven years ... Started by fasfsadfdsfa	1 Replies 94 Views	Jul 27, 2018 by briezy
In the Kelvin scale, absolute zero lies at A) 273 degrees C. B) zero K. C) -373 degrees C. D) ... Started by luvbio	3 Replies 273 Views	Jul 27, 2018 by soda0602
If Star A is closer to us than Star B, then Star A's parallax angle is ________. A) fewer parsecs ... Started by newyorker26	1 Replies 199 Views	Jul 27, 2018 by recede
Planets similar to our Jovians have been found orbiting pulsars. Indicate whether the statement ... Started by rmenurse	1 Replies 72 Views	Jul 27, 2018 by xMRAZ
What is meant by a cosmological distance? What will be an ideal ... Started by Garrulous	1 Replies 54 Views	Jul 27, 2018 by brbarasa
Ten parsecs is about ________. A) 32.6 light-years B) 10 parallax seconds of angle C) 150 ... Started by Sportsfan2111	3 Replies 84 Views	Jul 27, 2018 by aburgess
Which of the following statements best explains why the planets orbit in nearly a single plane and ... Started by fox	1 Replies 68 Views	Jul 27, 2018 by bimper21
How would our view of our galaxy be different if we were located in the central bulge? What about if ... Started by wenmo	1 Replies 61 Views	Jul 27, 2018 by olderstudent
On a dark summer night in the northern hemisphere, we can see the Milky Way, but we can't see the ... Started by james0929	1 Replies 70 Views	Jul 27, 2018 by Dunkey
What is the name of the temperature scale that places zero at the point where all atomic and ... Started by pragya sharda	3 Replies 135 Views	Jul 27, 2018 by cupcake16
Which kind of star is highly unlikely to be found in the halo of the Milky Way? A) O star B) G ... Started by bucstennis@aim.com	1 Replies 80 Views	Jul 27, 2018 by manuelcastillo
From hottest to coolest, the order of the spectral types of stars is ________. A) OBAGFKM B) ... Started by oliviahorn72	1 Replies 59 Views	Jul 27, 2018 by otokexnaru
How do we know the mass of Neptune? A) the period and size of Neptune's orbit around the Sun B) ... Started by soccerdreamer_17	1 Replies 79 Views	Jul 27, 2018 by javimendoza7
Which of the following patterns in the Milky Way structure is consistent with the idea that the ... Started by craiczarry	3 Replies 74 Views	Jul 27, 2018 by patma1981
Observations vs. Explanations. Which of the following statements is an explanation? A) Hydrogen ... Started by cool	1 Replies 89 Views	Jul 27, 2018 by cadimas
A hypernova is a gamma-ray burster that forms a black hole as well. Indicate whether the ... Started by Mollykgkg	1 Replies 84 Views	Jul 27, 2018 by shaikhs
Sunspots A) were most numerous during the Maunder Minimum. B) are always found close to the ... Started by Pineappleeh	1 Replies 84 Views	Jul 27, 2018 by xiaomengxian
Astronomers can measure a star's mass in only certain cases. Which one of the following cases might ... Started by gonzo233	3 Replies 103 Views	Jul 27, 2018 by jlaineee
No spacecraft has ever visited an asteroid or comet. Indicate whether the statement is true or ... Started by fasfsadfdsfa	1 Replies 107 Views	Jul 27, 2018 by sokh
The Sun lives in which component of the Milky Way? A) a globular cluster B) the disk C) the halo ... Started by aabwk4	1 Replies 71 Views	Jul 27, 2018 by tdewitt
According to Kepler's third law (p2 = a3), how does a planet's mass affect its orbit around the Sun? ... Started by stephzh	1 Replies 84 Views	Jul 27, 2018 by Cnarkel
You are measuring how velocity changes with time of two stars like the Sun in order to detect their ... Started by serike	3 Replies 56 Views	Jul 27, 2018 by karmakat49
A spacecraft has captured and brought material to Earth from a comet. Indicate whether the ... Started by shofmannx20	1 Replies 60 Views	Jul 27, 2018 by TheDev123