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| bio | website | infosecfrog.blogspot.com |
|---|---|---|
| location | Scotland, United Kingdom | |
| age | 41 | |
| visits | member for | 2 years, 2 months |
| seen | yesterday | |
| stats | profile views | 141 |
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Mar 6 |
answered | What is the weekly average of coronal mass ejections the sun sends out? |
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Mar 2 |
comment |
How can I determine if my telescope mirror is parabolic? Thanks for those links - really interesting! |
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Feb 29 |
answered | Double image in binoculars |
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Feb 28 |
comment |
How is it that some nebulae are rotating and others are not? I think you have partially answered your own question. There are all sorts of motion from very large to very small scale. The probability of the sum of these resulting in a net zero rotation is low. |
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Feb 27 |
answered | How is it that some nebulae are rotating and others are not? |
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Feb 15 |
answered | Polar ice deposits on the Moon - dispersed in permafrost loose rubble, or also massive/layered? |
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Feb 11 |
answered | Have Sterling Engines Been Used In Outer Space? |
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Feb 4 |
comment |
Why is 1 AU the distance between the Sun and the Earth? I think it does involve the earth as one of the two involved bodies. The other end of the 1AU line is at the sun. |
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Feb 3 |
answered | Why don't any of the gas giants have moons of Earth's mass (or greater) that orbit them? Is this generalizable to exoplanet gas giants? |
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Feb 3 |
comment |
How far into space does one have to travel to see the entire face of earth? according to Wikipedia, as linked by FrankH above, yes |
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Feb 2 |
comment |
The Moon during the day Earthshine is not what makes the moon visible during the day - it is the sun's rays reflecting off the moon that make it visible. Earthshine is what lets you see (dimly) the dark areas of the moon at night |
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Feb 2 |
comment |
The Moon during the day @YUASK - it is more visible when full than when new, but also, 50% of the time you can't see it in the sky during the day because it isn't in the sky at all, but round the other side of the world. |
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Feb 1 |
answered | Is it safe to observe the sun through binoculars with welding glass in front? |
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Feb 1 |
answered | Automated telescope system |
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Jan 31 |
comment |
How far into space does one have to travel to see the entire face of earth? there you go - think my geometry is right |
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Jan 31 |
answered | How far into space does one have to travel to see the entire face of earth? |
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Jan 27 |
answered | Is it possible that I just saw Jupiter's moons? |
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Jan 25 |
comment |
How bright are auroras (aurorae)? @KeithThompson Yup - lovely crackling and fuzzing noise! |
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Jan 25 |
comment |
How bright are auroras (aurorae)? sadly, at 21 N, I don't think you're ever going to see one...unless something really big happens on the Sun |
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Jan 25 |
answered | How bright are auroras (aurorae)? |
