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Nearest Star to Earth?



 
 
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  #1  
Old February 19th 04, 04:07 PM
Jo
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Default Nearest Star to Earth?

Not being into astronomy or knowing anything about it except for Earth,
Moon, Sun and lots of 'twinkling lights', a work colleague came up with an
interesting question.

Whenever a Space Rocket is launched, do they have to avoid any stars and if
so how? Or is there nothing between Earth and the Moon therefore making it a
clear run for any Space Rocket. What distance is the Moon from the Earth,
and what distance is the nearest star to Earth?

Thanx
Jo


  #2  
Old February 19th 04, 04:19 PM
Starlord
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Someone needs to pickup a 4th grade school book. The nearest "Star" is our SUN,
out side our own solar system the nearest star is 4.8 light years away and a
single lightyear has around 6 billion miles in it.


--
"In this universe the night was falling,the shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the stars were still young and the light of morning
lingered: and along the path he once had followed, man would one day go
again."

Arthur C. Clarke, The City & The Stars

SIAR
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http://home.inreach.com/starlord
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"Jo" wrote in message newsb5Zb.90$Qp3.11@newsfe1-win...
Not being into astronomy or knowing anything about it except for Earth,
Moon, Sun and lots of 'twinkling lights', a work colleague came up with an
interesting question.

Whenever a Space Rocket is launched, do they have to avoid any stars and if
so how? Or is there nothing between Earth and the Moon therefore making it a
clear run for any Space Rocket. What distance is the Moon from the Earth,
and what distance is the nearest star to Earth?

Thanx
Jo




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  #8  
Old February 19th 04, 08:31 PM
Scott Schwartz
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Seems to me that if they made a hybrid it would cut the cost. They could
use regenerative air-braking to charge batteries.

"David Sewell" wrote in message
...

"Craig Oldfield" wrote in message
news:MPG.1a9f192ccabee621989deb@localhost...
In article ,
burbled happily...

The moon is 127 miles away but since they don't want to use too much
petrol, they go up for 127 miles then wait until night so that the

moon
comes around to meet up with the Space Rocket.
The nearest star is only 83 miles away so that's the one they need

to
wait to get out of the way, the sun is 250 ,iles away so they can go
during the day.
Clear now?
Craig, your such a tease!!


Damn. What gave it away?


The bit about petrol, everyone knows they use diesel.

David




  #10  
Old February 20th 04, 06:03 PM
Martin Frey
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"Scott Schwartz" wrote:

Sounds like the kind of answer I would give my kid. My wife hates it when I
do that.


Take care - she's right. I always told my kids it went million,
billion, trillion, bobdillion, and they still haven't forgiven me.

--
Martin Frey
http://www.hadastro.org.uk
N 51 02 E 0 47
 




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