Colin Shorey
  • Member for 7 years
  • Last seen more than 6 years ago
  • rugeley staffs UK
the initial astrometry calibration for a telescope
2 votes

After installation set up,the coordinates Ra and Dec are locked in to the ra of GMT(0 astronomically) and installation latitude.These are input requirements of installation. From that point,an onboard ...

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Why do scientists think life requires water?
2 votes

All biological life requires an electrolyte.Water is the only none reactive solution that can carry the solute,(salts,acids,alkali,) that would cause reactive change. Water has limits in its ability ...

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Meteorites bring water
1 votes

It would have to be a big meteorite to supply the quantaties we have here and therefore support the nuclear break down theory.ie- hydrogen to helium etc. In respect of delivery by cosmic objects, the ...

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Is it safe to view moon at daytime through telescope
1 votes

I have found a good time to view the moon is before the sky is fully light,say 8am.The pupil of the eye will no be fully dilated and better eye/lens will give improved resolution(f ratio).In addition ...

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Basic DIY Telescope
1 votes

There are many refractors/reflectors that can be obtained ready made and be more useful as the interest develops You would be wise to get the largest objective you can afford,although an interesting ...

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Does the Sun belong to a constellation?
0 votes

We did an exercise on this particular subject at Secondary Modern School in 1958. With reference to"Patrick Moor" publications a 3-dimentional model wasmade of the nearest 50 stars. Particular ...

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Tide on the Moon
0 votes

There would be a tide of approximately 28 days due to centrifuge effect,the water being free flowing,about the mid point centre of gravity of the 2 masses. Our tides are monthly but appear daily due ...

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What range of exit pupils work for observing the full moon?
-1 votes

Since the magnification is determined by focal length of the objective/focal length of eyepiece it is difficult to have an eye-piece with the same f ratio as the objective. Assuming pupil aprature 0....

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Do objects look larger the further away they are, beyond z=1?
-2 votes

This is an interesting thought,but red shift was a theory that could be answered by assuming near light velocities.The belief in,this unproven idea,invokes argument of"If it is coming toward us then ...

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