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Ion drive by
bluherron
Many satellites are currently running on nuclear power. They use a
different reactor design is all. Ion drives have a larger exhaust speed
than chemical...
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5 |
828 |
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Where to buy a telescope in Miami? by
Blurb
Hello,
I'm going on holidays early April in Miami, and I plan to buy a
telescope there so I need your help. I saw that these instruments are
much cheaper in...
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2 |
557 |
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Another moon question by
Bmrdude
Ok, I'm probably the only person who doesn't know this, so don't grill me.
Question is: Why do we only see one side of the moon?
( 1 2)
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16 |
590 |
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advice please newbie telescope owner by
bob
ive just been bought a celestron powerseeker 114 telescope
i would like to attach a camera to the telescope
what is the best budget
portable ...
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January 4th 05 07:55 PM
by bob
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0 |
776 |
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new telescpe advice please !!! by
bob
i just had for christmas a celestron power seeker 114
telescope, is it possible you could answer some of my questions
it comes with the following ...
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December 27th 04 03:44 PM
by bob
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250 |
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9 |
464 |
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how did this world begin ????? by
bob
i love looking up 2 space and often wonder !
how did it all begin....?
but not sure how 2 ask this questiion,
if i believe in the big bang theory,
i ...
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8 |
432 |
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Shadow Theory of Gravity by
Bob Brady
There is a small program with demonstrates this theory at
http://www.eskimo.com/~rebrady/Gravity.exe
Bob
( 1 2)
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14 |
596 |
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blue/yellow double star? by
Bob C.
anyone remember the name of the double star that has one blue and one
yellow component? I thought it was in the big dipper, but I can't
seem to find...
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9 |
441 |
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Mass don't leak by
Bob Cain
Nick wrote:
The mass-energy at the center is concentrated there.
In whose frame of reference? Nothing approaching a black
hole ever reaches even the event...
( 1 2)
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September 15th 05 02:46 PM
by None
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18 |
690 |
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Question about light clock - Part II by
Bob Cain
EL wrote:
Dear John,
If you were inside a moving elevator and had two tight-sealed jars, one
full of chlorine-gas and one full of vacuum (almost empty...
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2 |
498 |
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Mohammed Cartoons Controversy. by
Bob Cain
wrote:
That is because your rationale is heresy, and worse, according
to their rules. This whole business is sorting whose rules
are...
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2 |
501 |
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Seen whilst looking for satellites by
Bob Doyle
Greetings,
I'd like to report this sighting, just happened a few minutes ago. I have
8:29 pm PDT on 9/21.
I live in Ocean Beach, CA., about 32 north, 117...
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6 |
239 |
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M51 by
Bob Doyle
Apology accepted, at least by me :-)
Nice photo, BTW!
Bob Doyle
"Jim Moody" wrote in...
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0 |
1,786 |
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RAW capturing for Logitech Quickcam 4000 by
Bob May
It looks like that modification is just to some settings of the camera head.
The problem that is being fixed is that there is some processing that is
going on...
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January 30th 05 12:03 AM
by Bob May
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0 |
460 |
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Sun Shadow Investigation Project by
Bob Riddle
This is an open invitation to participate in the Sun Shadow Investigation
Project. This endeavor, SunShIP, is what typically is known as an
Eratosthenes...
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0 |
591 |
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0 |
327 |
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0 |
434 |
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December Issue Of Que tal Is Now Available by
Bob Riddle
The December issue of Que tal is now online and available.
This month read about the occultation of Spica by our Moon; viewing
opportunities within the...
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0 |
569 |
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0 |
352 |