please i have only 30 mins Question 261 pts Which of the following statements ab
ID: 290103 • Letter: P
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please i have only 30 mins
Question 261 pts
Which of the following statements about the radiation emitted by matter is TRUE?
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Question 271 pts
In what location on Earth could an eager math student NOT use her solar-powered calculator at any time at all during the course of a day around Summer Solstice?
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Question 281 pts
The closest galaxy to the Milky Way galaxy is the
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Question 291 pts
Using Wein’s Law, what is the wavelength of the earth’s radiation, considering that the earth is about 300 Kelvin?
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Question 301 pts
Which of the following statements is true about constellations and latitude?
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Question 311 pts
Ozone and oxygen block which kind of electromagnetic wave?
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Question 321 pts
A telescope that collects and focuses light by means of one or more lenses is know as a
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Question 331 pts
Why do stars twinkle?
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Question 341 pts
Which of the following statements is false concerning optical telescopes?
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Question 351 pts
Water and carbon dioxide block all infrared and radio waves from passing the atmosphere.
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Question 361 pts
If you quadruple the aperture of a telescope, you increase the collecting power
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Question 371 pts
What is retrograde motion?
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Question 381 pts
The two most important properties of any telescope are
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Question 391 pts
If you are standing on the equator and a star is at your zenith, then its DEC and ALT angles will respectively be how many degrees?
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Question 401 pts
If the parallax angle of a star is .068 parsecs, how many light years away from us is it?
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Question 411 pts
How long is the chain of Superclusters to the north of us known as the Great Wall?
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Question 421 pts
USE THE CONSTELLATION CHART FOR THE NEXT 3 QUESTIONS
What is the DEC angle of the star Mizar in the constellation Ursa Major?
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Question 431 pts
What is the ALT angle of the star Procyon in the Constellation Canis Minor for people living in Los Angeles?
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Question 441 pts
What is the AZ angle of the star Procyon if it is due South of you?
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Question 451 pts
USE THE ZODIAC CHART FOR THE NEXT 2 QUESTIONS
During the months of Jan to Feb, which of the following constellations are you likely to see at night?
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Question 461 pts
Which of the following is a Zodiacal constellation but NOT an Ecliptical constellation?
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Question 471 pts
The Summer Triangle is an Asterism visible during the summer. It contains the following 3 stars?
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Question 481 pts
If the focal length of the Primary Lens is 240 mm and the focal length of the Eyepiece is 4 mm, what is the magnification power of a Telescope?
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Question 491 pts
Which of the following statements is TRUE regarding the planets?
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Question 501 pts
A planet is at opposition. It therefore sets at approximately
a hot thin gas produces a dark line spectrumExplanation / Answer
261: a hot gas produce thin dark line spectrum
271 below antarctic circle
281andromeda
291 10000nm
301 a person at 60 degrees north latitude will never see the stars within 60 degrees of the south pole
311 UV
321 Cassegrain
331due to the refraction caused by atmospheric irregularities
341 the refracting telescope was invented before the reflecting one
351 false
361 16 fold
371Occasional east to west motion of the planets relative to the stars
381both light gathering power and resolving power
391 0 90
401 47.90
411:500million lY
421 55 degrees
431
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