Physics

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The seasons are caused by the precession of the Earth's axis. Indicate whether the statement is ... Started by burchfield96	1 Replies 102 Views	Jul 27, 2018 by josephsuarez
A(n) ____ is a small circle whose center is located on the circumference of another larger circle. ... Started by CBme	1 Replies 228 Views	Jul 27, 2018 by essyface1
A(n) ____________ is a description of some natural phenomenon that can't be right or wrong. It is ... Started by crazycityslicker	3 Replies 161 Views	Jul 27, 2018 by catron30
Retrograde motion a. is observable for planets located between Earth and the sun. b. is ... Started by go.lag	1 Replies 154 Views	Jul 27, 2018 by jrpg123456
The semi major axis of an ellipse is a. the ratio of the longest diameter of the ellipse to that ... Started by anjilletteb	1 Replies 153 Views	Jul 27, 2018 by onowka
If the mass of the Earth decreased by a factor of two with no change in radius, your weight would ... Started by mspears3	1 Replies 94 Views	Jul 27, 2018 by cadimas
Which of the following objects cannot transit (i.e. pass in front of) the Sun as seen from Jupiter? ... Started by genevieve1028	3 Replies 50 Views	Jul 27, 2018 by krakiolit
When Mars is located directly behind the Earth with respect to the Sun in its orbit, it is a. at ... Started by bucstennis@aim.com	1 Replies 83 Views	Jul 27, 2018 by macybarnes
The greatest inaccuracy in Copernicus' model of the solar system was that the planets a. travel ... Started by Tazate	1 Replies 111 Views	Jul 27, 2018 by bookworm410
The orbit of the planet Jupiter is ellipse with the Sun at one focus. What is located at the other ... Started by itsmyluck	1 Replies 134 Views	Jul 27, 2018 by SVictor
A comet is found in a highly elliptical orbit to have a semi-major axis equal to one astronomical ... Started by arivle123	3 Replies 150 Views	Jul 27, 2018 by kusterl
Which of the following statements best describes Kelper's 3rd law of planetary motion? a. The ... Started by formula1	1 Replies 77 Views	Jul 27, 2018 by asware1
Why did Galileo's observations of moons orbiting Jupiter disagree with geocentric model of the ... Started by james	1 Replies 75 Views	Jul 27, 2018 by Dnite
Uranus' orbital period is 84 years. How far is Uranus from the sun? What will be an ideal ... Started by Cooldude101	1 Replies 79 Views	Jul 27, 2018 by ong527
The modern first astronomer to propose a heliocentric model for the solar system was ... Started by Anajune7	3 Replies 87 Views	Jul 27, 2018 by C.mcnichol98
Copernicus was the first to propose that Earth moved around the sun. Indicate whether the ... Started by jjjetplane	1 Replies 67 Views	Jul 27, 2018 by pratush dev
A scientific model can never be exactly correct. Indicate whether the statement is true or ... Started by futuristic	1 Replies 65 Views	Jul 27, 2018 by rekilledagain
Galileo used a telescope to observe the phases of Jupiter. Indicate whether the statement is true ... Started by sarasara	1 Replies 66 Views	Jul 27, 2018 by heinisk01
____ has (have) wavelengths that are longer than visible light. a. Gamma-rays b. Ultraviolet ... Started by hubes95	3 Replies 126 Views	Jul 27, 2018 by Anonymous
Astronomers build telescopes on tops of mountains because a. there is less air to dim the light. ... Started by Haya94	1 Replies 82 Views	Jul 27, 2018 by dantucker
A ____ has a few million light sensitive diodes in an array typically about a half-inch square. ... Started by MGLQZ	1 Replies 85 Views	Jul 27, 2018 by meltdown117
Radio telescopes are important in astronomy because a. they can detect cool hydrogen. b. they ... Started by shofmannx20	1 Replies 60 Views	Jul 27, 2018 by tuate
A ____ is a piece of glass with many small parallel lines etched on its surface to produce a ... Started by dmcintosh	3 Replies 90 Views	Jul 27, 2018 by Danny Ewald
The Very Long Baseline Interferometer (VLBI) a. is the highest resolution optical telescope ever ... Started by karlynnae	1 Replies 69 Views	Jul 27, 2018 by irishcancer18
Segmented mirrors sag under their own weight. Their optical shape must be controlled by ... Started by kellyjaisingh	1 Replies 62 Views	Jul 27, 2018 by momtoalll