Physics

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_________ occurs when light travels out of a gravitational field, loses energy, and its wavelength ... Started by 2125004343	1 Replies 29 Views	Jul 27, 2018 by lgoldst9
If your eyes could only see in gamma rays, what color would best describe your view of your ... Started by brutforce	3 Replies 29 Views	Jul 27, 2018 by frre432
_____ spectral type stars are hotter than _____ spectral type stars. a. A, K b. M, F c. B, O d. ... Started by Hungry!	1 Replies 127 Views	Jul 27, 2018 by irishcancer18
Neutron stars are expected to spin rapidly because a. they conserved angular momentum when they ... Started by jace	1 Replies 84 Views	Jul 27, 2018 by helenmarkerine
Light rays from a distant source __________________, assuming the light does not pass through any ... Started by erika	1 Replies 58 Views	Jul 27, 2018 by juwms
You want to find a mass of a star on the main sequence of the H-R diagram. What do you need? a. ... Started by jazziefee	3 Replies 55 Views	Jul 27, 2018 by katheyjon
The slowing of clocks in strongly curved space time is known as a. gravitational radiation. b. ... Started by cool	1 Replies 38 Views	Jul 27, 2018 by srodz
Which produces a brighter image? Choose the best answer. a. a small-diameter telescope b. a ... Started by sarasara	1 Replies 35 Views	Jul 27, 2018 by Carissamariew
According to the text, humans have a _____ size compared to stellar and microscopic objects. a. ... Started by joe	1 Replies 26 Views	Jul 27, 2018 by juiceman1987
Pulsars cannot be spinning white dwarfs because a. white dwarfs are not that common. b. white ... Started by mckennatimberlake	3 Replies 91 Views	Jul 27, 2018 by CourtneyCNorton
A(n) ____________________ telescope has an objective that is a lens. Fill in the blank(s) with ... Started by Evvie72	1 Replies 44 Views	Jul 27, 2018 by johnpizzaz
Polaris is 132 pc from Earth and has an absolute visual magnitude of 3.1 . What is the apparent ... Started by clippers!	1 Replies 34 Views	Jul 27, 2018 by Sophiapenny
The event horizon a. is believed to be a singularity. b. is a crystalline layer. c. has a ... Started by jilianpiloj	1 Replies 19 Views	Jul 27, 2018 by sierramartinez
A(n) ____________________ is used to measure the brightness and color of stars. Fill in the ... Started by karateprodigy	3 Replies 22 Views	Jul 27, 2018 by succesfull
If a star's apparent visual magnitude is equal to its absolute visual magnitude, how far is the star ... Started by RYAN BANYAN	1 Replies 34 Views	Jul 27, 2018 by TheDev123
Cygnus X-1 and LMC X-3 are black holes if the masses of the unseen companions perhaps may be a. ... Started by kshipps	1 Replies 41 Views	Jul 27, 2018 by Briannahope
The ____________________ is a measure of the finest detail that can be seen in an image. Fill in ... Started by pragya sharda	1 Replies 37 Views	Jul 27, 2018 by raili21
An 05 star has an H line present in its spectra. What color is the line? a. red b. no color as ... Started by washai	3 Replies 47 Views	Jul 27, 2018 by at
Which of the following objects is considered to possibly contain a black hole? a. the central ... Started by appyboo	1 Replies 30 Views	Jul 27, 2018 by Loise Hard
The main lens or mirror of a telescope is called the ____________________. Fill in the blank(s) ... Started by vicotolentino	1 Replies 32 Views	Jul 27, 2018 by 31809pancho
Consider a two-body system of the Earth orbiting the Sun. The center of mass would be located near ... Started by jrubin	1 Replies 44 Views	Jul 27, 2018 by ambernicolefink
The search for black holes involves searching for a. single stars that emit large amounts of ... Started by lindiwe	3 Replies 63 Views	Jul 27, 2018 by Jossy
The ____________________ is a measure of how many times larger the angular size of an object appears ... Started by rl	1 Replies 49 Views	Jul 27, 2018 by mammy1697
The combined mass of a binary system is three solar masses. Star A is 1 AU and Star B is 2 AU from ... Started by Jkov05	1 Replies 51 Views	Jul 27, 2018 by thall411
Fraud in science is rare because it is difficult to commit. Why is it difficult to commit fraud in ... Started by urbanoutfitters	1 Replies 96 Views	Jul 27, 2018 by lou