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Plenty of Sunspots by
Sketcher
In this age of readily available solar images from a variety of solar-
specific spacecraft some may wonder what the point is of making
observations from the...
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2 |
673 |
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0 |
780 |
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0 |
898 |
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Leaping and hopping on a moonshadow by
Sam Wormley[_2_]
Leaping and hopping on a moonshadow
http://www.quantumdiaries.org/2011/08/31/leaping-and-hopping-on-a-moonshadow/
"How do you align a telescope to make sure...
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0 |
762 |
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1 |
797 |
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0 |
716 |
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5 |
884 |
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18 |
1,408 |
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0 |
729 |
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2012 Quadrantids by
Chris L Peterson
My video allsky camera caught 68 Quadrantids this morning- good
weather and little interference from the Moon. I've got a composite
image and several fireball...
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8 |
638 |
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Some observing highlights in 2012 by
Sam Wormley[_2_]
The top 12 "skylights" for this coming year include a "double planet" in
May and a Venus transit of the sun in June....
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1 |
627 |
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5 |
910 |
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Climate issue by
oriel36[_2_]
The length of time a given location on the planet spends in solar
radiation is far more important than the older view based on
variations in inclination to...
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5 |
627 |
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1 |
482 |
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Lovejoy ruins another sound bite. by
Ken S. Tucker
I recall an astrophysicist being asked by a reporter, "What's a
comet",
well knowing the answer would be directed to the 'un-washed masses',
his two word reply...
( 1 2 3 ... Last Page)
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63 |
3,425 |
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Exoplanet HAT-P-25b in Ari by
Anthony Ayiomamitis[_1_]
Dear group,
Finally some clear skies following a month of incessant clouds and
rains.
With the moon at a phase of 64% at the onset of darkness, there...
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2 |
750 |
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Sundials and clocks by
oriel36[_2_]
The motion of the hands of a clock imitate the motion of a sundial
shadow -
http://www.youtube.com/watch?v=k2YnOfC5mz8
The comparison between a sundial and...
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2 |
647 |
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A most important astronomical issue by
oriel36[_2_]
The equatorial Earth has an equatorial speed of 1037.5 miles per hour
representing 15 degrees of geographical separation and diminishing to
zero at the polar...
( 1 2)
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11 |
1,194 |
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true colors of space by
EonWorks
Some years ago I remember reading online that real photos of space
galaxies, nebula, globular clusters, etc, are practically black and
white with very faint...
( 1 2 3 ... Last Page)
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184 |
8,648 |
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Exoplanet HAT-P-25b in Ari by
Anthony Ayiomamitis[_1_]
Dear group,
Finally some clear skies following a month of incessant clouds and
rains.
With the moon at a phase of 64% at the onset of darkness, there...
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1 |
676 |