Parallax - Guides d'étude, Notes de cours & Résumés
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AST 111 final || with Accurate Answers 100%.
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1 AU (astronomical unit) = correct answers Distance from Earth to the Sun (93 million miles) 
 
1 LY = correct answers Distance light travels in space in one year = 6 trillion miles 
 
The Sun is located... correct answers about halfway between the center of the Milky Way and the galaxy's edge 
 
Why 360? 60 minutes? 60 seconds? correct answers Babylonians used a base 60 number system 
 
24hrs per day comes from the ___________. correct answers Egyptians 
 
1 arc second = correct answers 1/3600...
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astro quiz 7 questions n answers 2024
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astro quiz 7What basic characteristics/properties of stars are we trying to understand? - correct answer To understand how something works we need to know their basic characteristics: 
- Size, shape, distance 
- Energy output, temperature 
- Mass 
 
What's parallax and how do we use it to measure the distance to a nearby star? - correct answer For nearby stars use Parallax -measure position against background stars -use angle to calculate distance 
The distance in parsecs is , with the angle m...
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AST1002 Certification Exam Questions and CORRECT Answers
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A long thin cloud that stretched from directly overhead to the western horizon would have an 
angular size of90 degrees 
When a thin crescent of the Moon is visible just before sunrise, the Moon is in 
itswaning phase 
f the Moon's orbit around Earth were a little larger, solar eclipses would bemore likely 
to be annular 
According to "The Zodiac" Figure shown above, in June we would see the Sun in the 
direction of the constellation(s)...Gemini 
In the Figure below (Figure 0.20A - Parall...
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ASTR 193 TEST 1 Questions And Answers|2024
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____ introduced the idea of an off-centered Earth - ️️Ptolemy 
____ must point at the sun for there to be eclipses - ️️Nodes, where orbits intersect 
1 Astronomical unit (AU) is... - ️️the distance between the Earth and the Sun, which we use for distances within our solar system 
1 Lightyear (ly) is... - ️️the distance light travels in a year 
1 Parsec (pc) is... - ️️the distance to a star whose parallax is 1 second of arc 
1604 Bayer - ️️star map - Uranometria - first to...
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astro quiz 7 Question and answers correctly solved 2024
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astro quiz 7 Question and answers correctly solved 2024 astro quiz 7 
 
 
What basic characteristics/properties of stars are we trying to understand? - correct answer To understand how something works we need to know their basic characteristics: 
- Size, shape, distance 
- Energy output, temperature 
- Mass 
 
What's parallax and how do we use it to measure the distance to a nearby star? - correct answer For nearby stars use Parallax -measure position against background stars -use angle to calc...
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ABO Advance Test Set Questions And Revised Correct Answers | Already Passed!!
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ABO Advance Test Set Questions 
And Revised Correct Answers | 
Already Passed!! 
1. When taking seg height measurements, which of the 
following situations could result in a parallax error? - 
ANSWER : Patient sitting/ dispenser standing erect 
2. Which of the following is not significant in identifying the 
problem of vertical imbalance? - ANSWER : Patient's age 
3. Which of the following elements is NOT critical when 
determining vertical imbalance? - ANSWER : Lens power in 
the 180 de...
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astro quiz 7 questions well answered graded A+
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astro quiz 7What basic characteristics/properties of stars are we trying to understand? - correct answer To understand how something works we need to know their basic characteristics: 
- Size, shape, distance 
- Energy output, temperature 
- Mass 
 
What's parallax and how do we use it to measure the distance to a nearby star? - correct answer For nearby stars use Parallax -measure position against background stars -use angle to calculate distance 
The distance in parsecs is , with the angle m...
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Astronomy Final Exam Study Questions and Answers Graded A 2024
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How long does it take stars to circle back to their same location? - 23 h, 56 m, 04 s 
 
How long does it take the Sun to return to the same position? - Sun returns to same approximate location every 24 h 
 
What is the general motion of the Sun and Moon? - Motion of sun and moon is East with respect to stars 
 
What is the general motion of Mars, Jupiter and Saturn? - Mars, Jupiter and Saturn also move Eastward most of the time, but Westward when opposite the sun 
 
What is the general motion o...
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Astronomy Science Olympiad Master Latest Update Graded A+
- Examen • 50 pages • 2024
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Astronomy Science Olympiad Master 
 
Latest Update Graded A+ 
 
Optical double not actually binaries 
simply two stars lying along same line of sight (similar RA & dec) 
Not gravitationally bound 
Not usefull in determining stellar masses 
 
Visual binary both stars resolved independently 
if orbital pd not too long, can monitor motion 
provides angular separation from center of mass 
If dist known, linear separations can be calculated 
 
Astrometric binary If one significantly brighter, not pos...
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Astronomy Science Olympiad Master Full Guide Updated Guaranteed Success
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Astronomy Science Olympiad Master Full Guide Updated Guaranteed Success 
 
 
Optical double 
not actually binaries 
simply two stars lying along same line of sight (similar RA & dec) 
Not gravitationally bound 
Not usefull in determining stellar masses 
Visual binary 
both stars resolved independently 
if orbital pd not too long, can monitor motion 
provides angular separation from center of mass 
If dist known, linear separations can be calculated 
Astrometric binary 
If one significantly brigh...
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