Why do you think that X-ray telescopes cannot use the same kind of mirrors as optical or radio telescopes? Describe what you expect to happen when an X-ray photon encounters a “normal” mirror.
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im looking for a site that explains all the math behind telescopes and am having a hard time so if anyone can help it would be appreciated
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So for my science class, I have to write a paper on how a telescope works, when it was invented, and one modern telescope that’s helped us in the past 100 years..
I have how they work and when they were made. But I’m stuck on the modern part now,
help? Haha, thank you so much!
10 points ♥
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Any suggestions for purchasing a telescope? I have a house in the desert where there is very little city lights at night and one in the hills above San Francisco Bay that has moderate night light. I would like to be able to use the telescope both places and would like to get one that has some power.
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What is the size of the lense or whatever thats normal on most telescopes you buy at the local supermarket and stuff?
Because I wanna buy one to look the moons surface and stuff and stars but I’m not exactly sure how close I will be able to see them…
Can you tell me how I can tell how good a telescope is by its technical specifications?
Yes, I know I dont have any expierience, lol.
I’m 15 and I’m just interested to see whats up there. Possibly considering doing sometihng with it when I’m in college.
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How much would a half decent telescope cost? And not being too expensive. And are they worth wild, can you see much interesting things with them? Would love to get into that hobby, and feedback would be great. Thanks.
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Would a reflecting telescope work properly if its concave mirror were replaced by a convex mirror? Explain
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What is the difference between a refractor telescope and a reflector telescope?
What advantages does a reflector telescope have over a refractor telescope?
Why are telescopes on the surface of the Earth are designed to study visible or radio wavelengths?
Why is it important to place optical telescopes at as high an altitude as possible?
Why is it important to place them as close to the Equator as possible?
Why do we sometimes build more than one of the same telescope in the same location?
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For my entire life I have been interested in astronomy… But I have finally made the decision to go out and buy a telescope.
I have come across one that is not to expensive… I want to know if the specs are good. or if anyone has any recommendations for other telescopes.
Celestron AstroMaster 114 EQ Reflector Telescope
Recommended Usage: Astrophotography , Viewing Galaxies/Star Clusters , Viewing Nebulae , Viewing the Moon , Viewing the Planets
Warranty: 2-Year Limited
Brand: Celestron
Usage: For the Beginner
Weight Complete: 17 lbs.
Finderscope: Fixed StarPointer
Lens Coating: Aluminum
GPS: No
GoTo: No
Good for Astrophotography: Yes
Telescopes Series: AstroMaster Series Telescopes
Optical Design: Reflector
Aperture: 114mm
Focal Length: 1000mm
Focal Ratio: f/9
Mount Design: CG-2 Equatorial
Eyepiece 1: 20mm (50x)
Eyepiece 2: 10mm (100x)
Highest Useful Magnification: 200
Star Diagonal: 1.25 Inch
User Level: beginer
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If a star is 1 million light years away I’m assuming that it means it’s the distance light would travel in a million years. How then can we even see anything. I mean how is light reaching us or even how can our telescopes see a cosmic horizon which is billions of light years away. Would it take a extraordinarily long time for our telescopes to reach them since their so far away and just view them or am I thinking about this wrong?
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