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Posted on: Risky asteroid 2009 WM1
at 11/25/2009 7:50pm

Welcome bigbadbenny.

Actually either the shuttle or the ISS can be seen with the undaided eye anytime when they are in ... more(+)

bigbadbenny wrote:Hi Guys,

I'm new to this thread. And as stated before this all very interesting! I'm the kind of observer that looks up every once in awhile. I know a few constellations by heart and that's about it. Although i live within a mile of the observatory at the College of Southern Idaho and i have looked through it a few times. My knowledge of what's up there is enough for me to discern if i see anything moving at night is that it's probably a satalite or an airplane flying at a high altitude. Although I do beleive that i've seen the Space Station when the Shuttle was docked with it. Since when they're together they can be seen with the unaided eye. But I do find this all very interesting and you can count on me throwing in my two cents when "I think I can!" lol So remember when you're writting a post that you are actually teaching someone about what you know tremendously. I'll be reading. and I hope what i just said made some sense. lol

Bigbadbenny

Welcome bigbadbenny.

Actually either the shuttle or the ISS can be seen with the undaided eye anytime when they are in sunlight and you are in darkness. In fact the ISS when overhead is one of the brightest objects in the sky, surpassed only by the sun, moon, Venus, occasional Iridium satellite flares, and the odd meteor here or there. close(-)

Posted on: Risky asteroid 2009 WM1
at 11/25/2009 6:00pm

Well, that depends on the velocity, since the kinetic energy is far more dependant on the velocity than the size (mass)

Posted on: Meteor Explosion over South Africa
at 11/25/2009 5:57pm

That's not necessarily relevant. A baseball sized Leonid could produce that kind of event due to it's extreme ... more(+)

That's not necessarily relevant. A baseball sized Leonid could produce that kind of event due to it's extreme velocity.

As I said (now several times), without knowing what time the image was taken, and what direction the camera was facing, IT'S PURE SPECULATION! close(-)

Posted on: Risky asteroid 2009 WM1
at 11/25/2009 5:47pm

If I did this link right, this should take you to the chart posted by Michigan Man in the 2009 KK thread this summer. ... more(+)

If I did this link right, this should take you to the chart posted by Michigan Man in the 2009 KK thread this summer. As you can hopefully see, it's based on Kinetic energy of the collision and the probability.


viewtopic.php?f=12&t=17957&start=122

If you recall.... KE= 1/2 mass X velocity squared close(-)

Posted on: Saturn and it's Core
at 11/25/2009 5:34pm

OK, then, Gimme a "U" more(+)

OK, then, Gimme a "U"  close(-)

Commented on: Strong Leonid Meteor Shower Peaks Early Tuesday Morning
at 2009-11-16 17:39:55

So far, the highest density of particles is 27 per billion cubic KM. Space is big.

Commented on: Strong Leonid Meteor Shower Peaks Early Tuesday Morning
at 2009-11-16 11:43:50

Uhhh, the comet is 55P/Temple Tuttle, not 109P/ Swift Tuttle...that produces the Perseids in August.

Commented on: Leonid Meteor Shower 2009 Viewer's Guide
at 2009-11-15 20:52:37

I suspect Joe is pretty optimistic, and the casual observer would be disappointed by 15-20 meteors an hour from the ... more(+)

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Commented on: NASA Unveils Plan to Free Stuck Mars Rover Spirit
at 2009-11-14 09:12:56

What drills? There are no drills.

Commented on: Moon's Friends Say 'No' to Future Lunar Crashes
at 2009-11-10 17:21:28

Maybe we'll find out something either way. NASA TV will cover a news conference at 9 AM PST, Noon EST, 1700 GMT on this ... more(+)

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