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NASA's three largest mistakes by
RichA[_1_]
1. The ISS. An horrific $160B disaster. An orbiting money pit.
2. The discontinuance of the Shuttle program. With NOTHING to replace it.
3. Squandering...
( 1 2)
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17 |
1,296 |
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Spring has Sprung! by
Uncarollo2
It's galaxy season!
Spring is here, and dozens upon dozens of galaxies are within reach of small scopes. Time to get out under mild spring skies and...
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3 |
866 |
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1 |
811 |
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11 |
2,261 |
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1 |
895 |
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4 |
1,008 |
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Earth Day 2015 by
oriel36[_2_]
https://www.google.com/doodles/earth-day-2015
The Earth turns once in 24 hours even if the road to that fact takes quite a journey through astronomical...
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3 |
935 |
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6 |
949 |
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10 |
1,499 |
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Twilight duration by
oriel36[_2_]
There are two separate twilight events that occur on Earth arising from separate dynamics. There is the familiar twilight event as the Sun's disappears from...
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1 |
1,045 |
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4 |
1,605 |
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0 |
1,065 |
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2 |
775 |
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0 |
782 |
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88 |
3,554 |
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Astronomy software by
Andre[_2_]
Hello all,
I wonder if there are software that would calculate the rate of precession as you move through time, forward and backward. For instance, in about...
( 1 2)
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19 |
1,644 |
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171 |
4,773 |
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Science and Religious belief by
Uncarollo2
A very, very large reason why our country is so mixed up is the transposition of personal belief into public policy, and inversion of reason into a subjective...
( 1 2 3 ... Last Page)
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128 |
4,306 |
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81 |
3,286 |
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Good Friday by
oriel36[_2_]
http://www.moongiant.com/moonphases/March/2015/
The date of Easter is set astronomically as the first Sunday on or after the first full moon after the March...
( 1 2 3 ... Last Page)
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38 |
1,979 |