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Questions tagged [fundamental-astronomy]

Questions involving basic astronomical concepts or information.

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171 views

Planning to revisit Arthur Eddington's experiment from 1919

As the fateful day draws closer, the United States will host a celestial event that comes once in three generations. I plan to witness this first hand at the exact center of greatest eclipse. In the ...
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0answers
49 views

How strong are the stellar flares on YZ Ceti?

Doing research for a game and trying to understand the implications of the stellar flares from YZ Ceti. In short (ignoring the planets for now), if people were to build large space stations of various ...
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935 views

What is meant by ionization states?

I am going through the theory of saha equation but I am not able to understand the concept of ionisation state? What are ionization states actually?
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202 views

Why the Hubble constant is so inconsistent?

Having a look on Wikipedia I noticed the following values (of the last 6 years) for the Hubble constant: 67.6±0.7 SDSS-III Baryon Oscillation Spectroscopic Survey 73.00±1.75 Hubble Space ...
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0answers
59 views

Amateur astronomy plan for GCSE students

I'm designing an amateur astronomy observational plan for GCSE Astronomy students here in the UK. I would like some advise to the suitability of what I have selected as the content. For the beginner ...
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73 views

Does anyone knows the origin of the Maunder Minimum and Dalton minimum?

Solar spots seams to be a good indicator of solar activity. Does anyone know the reason for the Maunder and Dalton minima?
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55 views

Attempting to determine astronomy values in a parameter file

Recently I inherited quite a few old QuickBasic programs which perform various astronomical calculations. I'm attempting to understand these programs and rewrite some of them in Python. I do not ...
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38 views

Question on dec 2013 answer to“How to measure the altitude and azimuth of a star?”

I am looking at your response to the above question. You stated: For Northern Hemisphere, a star that is crossing the North local meridian (that is, between the Zenith and the North Horizon) the ...