Binary star Study guides, Class notes & Summaries
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ASTR 114 Astronomy - Final Exam "Cheat Sheet" | Latest 2023-2024
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-1.5 magnitude Sirius appears 25x brighter 
than 2 magnitude Polaris. 
 “All neutron stars are pulsars, but not all 
pulsars are neutron stars” FALSE 
 “Spectroscopic Binary” is the term given to 
a pair of stars that we can determine are 
orbiting each other only by measuring their 
periodic Doppler shifts. 
 A 6.8 solar mass neutron star does NOT 
exist. 
 A loop of gas and charged particles 
following the magnetic field lines between 
sunspot’s poles is a Prominence/...
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Exam 2B - Binghamton University ASTR 114 | Latest 2023
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This exam is entirely multiple choice or true/false. A=T, B=F 
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 
1) The photosphere is about 100 times the diameter of the Earth, and large sunspots are larger than 
our whole planet. 
1) 
2) Granulation is the most obvious proof of solar convective energy transport. 2) 
3) The solar corona is much cooler than the Sun's surface, hence we must wait for a total solar 
eclipse to glimpse it with the naked eye. 
3) 
4) ...
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Astronomy 1010 Final Exam GSU with 100% correct solutions
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Planetary ___ have common plane and direction, low eccentricity; correct answers orbits 
 
___shows similar order; correct answers Rotation 
 
Moons have similar ___. correct answers motions 
 
Orbital spacing ___random. correct answers not 
 
Terrestrial and Jovian planets show ___ and composition correct answers trends in size 
 
The collapse of an interstellar cloud. As the cloud contracts, it rotates faster, and the outer parts flatten into a disk. This can be observed happening elsewhere in...
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INF3703 TEST BANK 2023
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True & False 
The objective of SOL performance tuning on the client side is to generate an SOL query 
that returns the correct answer in the least amount of time, using the maximum amount 
of resources on the server side 
All database transactions must display at least the properties of Atomicity, consistency, 
convenience, and isolation 
Database recovery techniques are based on the isolation transaction property 
which indicate that the data used during execution of a transaction cannot...
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ASTR 102 Quiz Questions | 100% Correct Answers | Verified | Latest 2024 Version
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We have learned that the centre of the milky way contains a very massive black hole. We developed this 
understanding by: - Monitoring the orbital motions of many individual stars in the very central parts 
of the Milky Way 
If the sun were to be squashed down small enough to become a black hole, then: - The planets in the 
solar system would orbit the Sun in unchanged fashion (but would receive no light from it) 
The first stellar mass black hole identified, Cygnus X-1, was found in 1973. The n...
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Space Exploration|Complete Questions with A+ Graded Answers
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Space Exploration|Complete Questions with A+ Graded Answers 
main sequence 
a diagonal area on an H-R diagram that includes more than 90 percent of all stars 
 
 
white dwarf 
A small, hot, dim star that is the leftover center of an old star 
 
 
Luminosity 
the true brightness of an object 
 
 
light year 
the distance light travels in one year 
 
 
blueshifted 
the doppler shift toward shorter wavelengths of light from an approaching object 
 
 
Redshifted 
stars moving away from Earth 
 
 
Ne...
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ASTR 102 exam With Questions & 100% Solutions| A Guaranteed
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Consider a spectroscopic binary star system in which the spectra of both stars are observed. If Star A is 
more massive than Star B, which star has the greater orbital velocity? 
a) Star A 
b) Star B 
c) They both have the same velocity d) The star that is closest to the center of mass 
e) It depends on where they are in their orbits - Consider a spectroscopic binary star system in 
which the spectra of both stars are observed. If Star A is more massive than Star B, which star has the 
greater o...
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CSI 104 Practice Test Questions with Correct Answers
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CSI 104 Practice Test Questions with Correct Answers 
What numeric value in hexadecimal is equivalent to the binary number 
BCAF 
BE6C 
6FAD 
DEAD - Answer-DEAD 
 
In Windows, the MD command must be used to create a folder 
True 
False - Answer-False 
 
The _______________ contains instructions and data that provide the startup program for a computer 
RAM 
DRAM 
BIOS 
CPU - Answer-BIOS 
 
What is the binary equivalent of the decimal number 543? 
 
 
1011010011 
 - Answer- 
 
Which topology has ...
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Space Exploration|Complete Questions with A+ Graded Answers
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Space Exploration|Complete Questions with A+ Graded Answers 
main sequence 
a diagonal area on an H-R diagram that includes more than 90 percent of all stars 
 
 
white dwarf 
A small, hot, dim star that is the leftover center of an old star 
 
 
Luminosity 
the true brightness of an object 
 
 
light year 
the distance light travels in one year 
 
 
blueshifted 
the doppler shift toward shorter wavelengths of light from an approaching object 
 
 
Redshifted 
stars moving away from Earth 
 
 
Ne...
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ASTR Exam 1 2024 with 100% correct answers
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The figure below shows an H-R diagram, with five stars labeled A through E. Which star has the highest temperature? - correct answer A 
 
If the sun was not currently in hydrostatic equilibrium, we would see? - correct answer the suns radius increasing and decreasing 
 
Which part of the sun is visible around the shadow of the moon? - correct answer chromosphere 
 
Stars that have spectral Type B _____ in temperature compared with stars that have spectral type M. - correct answer are hotter 
 
T...
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