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13 |
3,551 |
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Referencing our planet to the Sun by
Gerald Kelleher
Perhaps the one issue which distinguishes the astronomy I practice from celestial sphere enthusiasts is that I incorporate the inner solar system and the...
( 1 2)
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10 |
3,562 |
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Belt mode noise comparison vs. gear by
StarDust
https://www.youtube.com/watch?v=EE0FK0KDROw
I think, I can used this belt drive?
My Vixen GP/D EQ gears gets very noisy too in the silence at night!
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4 |
2,617 |
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1 |
2,795 |
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The comets and the inner solar system by
Gerald Kelleher
https://www.youtube.com/watch?v=2qtyS38Zkzs
http://www.aerith.net/comet/weekly/20100710n.html
Another remarkable feature is the brightening of comets as they...
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7 |
2,765 |
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A new start by
Gerald Kelleher
When it is sunset it is also star rise and when is star set is also sunrise with just that short period of dawn and twilight when it is neither.
As a package...
( 1 2 3)
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27 |
3,459 |
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Will Sirius Disappear? by
palsing[_2_]
https://www.skyandtelescope.com/observing/will-sirius-disappear/?k=vEplbucMy3Xn%2FXRrn80nyJMUEcArttgJ8%2B6vHkAwjlw%3D&utm_medium=email&utm_source=newsletter&utm...
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3 |
2,416 |
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Solar activity by
Gerald Kelleher
It is hard not to notice the activity of the area around the Sun in 2000 vs the steady condition of the Sun presently....
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2 |
2,733 |
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13 |
3,658 |
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Students protesting by
Gerald Kelleher
In Britain there are students out in what they see as protest against Governments inaction where the empirical bandwagon is now reaching absurd...
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0 |
2,471 |
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7 |
2,093 |
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Mars, Planet of Illusion by
Quadibloc
Astrologers hold Mars to be the planet of war, and Neptune to be the planet of
illusion.
Astronomy has confirmed that the red color of Mars is due to iron...
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0 |
2,576 |
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A fresh start by
Gerald Kelleher
It is true that there has been little success so far in exposing the limitations of the clockwork solar system and its tenuous links to astronomy via...
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3 |
2,636 |
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0 |
2,310 |
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5G is comming by
StarDust
Protect yourself!
http://pilerats.com/assets/Uploads/_resampled/croppedimage870454-tinfoil-hat.jpg
Hole...
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8 |
2,247 |
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A new start by
Gerald Kelleher
When it is sunset it is also star rise and when it is star set it is also sunrise with just that short magical period of dawn and twilight separating the...
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0 |
1,959 |
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Mercury transitions by
Gerald Kelleher
https://sohowww.nascom.nasa.gov/data/LATEST/current_c3.gif
The satellite dispenses with any daily rotational effects so it can be presented purely on the...
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2 |
2,221 |
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40 |
4,375 |
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4 |
2,232 |
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Arctic sea ice evolution by
Gerald Kelleher
http://nsidc.org/arcticseaicenews/
The dynamics behind the appearance of sea ice with the North Pole at the centre of millions of km of ice follows roughly...
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0 |
2,439 |