Physics

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Contrast the Oort cloud and the Kuiper belt as possible origins for comets. What will be an ideal ... Started by joe	3 Replies 105 Views	Jul 27, 2018 by tranoy
The ________ hypothesis is that the Earth does not occupy any special place in the universe. A) ... Started by tingc95	1 Replies 35 Views	Jul 27, 2018 by matt95
For finding the distance to M31, Hubble relied upon A) planetary nebulae near its core. B) ... Started by theo	1 Replies 223 Views	Jul 27, 2018 by ciecieme
He discovered that the orbits of planets are ellipses. A) Kepler B) Ptolemy C) Galileo D) Tycho ... Started by jjjetplane	1 Replies 77 Views	Jul 27, 2018 by Meganchabluk
Which of the following statements about the moons of the jovian planets is not true? A) Some of ... Started by corkyiscool3328	3 Replies 115 Views	Jul 27, 2018 by josephsuarez
In what way could the Huygens probe be considered a first? What will be an ideal ... Started by daltonest1984	1 Replies 103 Views	Jul 27, 2018 by scikid
Which planet, other than Earth, has visible water ice on it? A) the Moon B) Venus C) Mercury D) ... Started by Sportsfan2111	1 Replies 373 Views	Jul 27, 2018 by macagn
Which of the following gases, which we can detect (if present) in infrared spectra, would be a ... Started by Capo	1 Replies 85 Views	Jul 27, 2018 by aliotak
How does the Solar Nebula theory explain the formation and orbital properties of planets? What ... Started by Redwolflake15	3 Replies 111 Views	Jul 27, 2018 by softEldritch
Which statement concerning black hole masses and Schwarzschild radii is not true? A) In a binary ... Started by jho37	1 Replies 68 Views	Jul 27, 2018 by jointhecircus
The lakes on Titan have not been observed to have any waves. What does this suggest? What will be ... Started by armygirl	1 Replies 38 Views	Jul 27, 2018 by chloejackso
Which statement about the Local Group is false? A) Most of its members are dwarf elliptical and ... Started by tatyanajohnson	1 Replies 56 Views	Jul 27, 2018 by mfedorka
Which moon of Saturn has the surface with the widest range of ages? Why? What will be an ideal ... Started by leilurhhh	3 Replies 98 Views	Jul 27, 2018 by tennis14576
Compared to a cluster containing type O and B stars, a cluster with only type F and cooler stars ... Started by imanialler	1 Replies 61 Views	Jul 27, 2018 by katara
He discovered what we now call Newton's first law of motion. A) Copernicus B) Galileo C) Ptolemy ... Started by karateprodigy	1 Replies 92 Views	Jul 27, 2018 by asdfghjkl;
What makes the surface of Mimas so striking? What will be an ideal ... Started by TVarnum	1 Replies 64 Views	Jul 27, 2018 by mcabuhat
Which planet could an astronaut visit without the need for a spacesuit (and survive)? A) the Moon ... Started by ashley	3 Replies 129 Views	Jul 27, 2018 by Tonny
Why is detecting Earth-sized planets much more difficult than finding Jupiter-sized planets around ... Started by audie	1 Replies 104 Views	Jul 27, 2018 by zenzy
Ptolemy's model was ________, with the Earth fixed in the center of the universe. Fill in the ... Started by pepyto	1 Replies 72 Views	Jul 27, 2018 by jointhecircus
Which moon has a thick atmosphere made mostly of nitrogen? A) Europa B) Titan C) Triton D) ... Started by rlane42	1 Replies 96 Views	Jul 27, 2018 by hramirez205
Why do some scientists say that the Moon may have been important for the evolution of life on the ... Started by chandani	3 Replies 94 Views	Jul 27, 2018 by aadams68
While examining the spectrum of a galaxy, you find all the hydrogen lines are shifted to longer ... Started by amal	1 Replies 130 Views	Jul 27, 2018 by Liddy
A star of spectral type B with a mass of 10 times the mass of the Sun lives approximately how long ... Started by Collmarie	1 Replies 92 Views	Jul 27, 2018 by meganmoser117
Which four moons are believed to have large bodies of liquid water? What will be an ideal ... Started by Wadzanai	1 Replies 106 Views	Jul 27, 2018 by coreycathey
The nearest lobe radio galaxy to our Milky Way is A) M42 in Orion. B) M87 in Virgo. C) the ... Started by PhilipSeeMore	3 Replies 54 Views	Jul 27, 2018 by jasonq