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transit of Earth



 
 
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  #1  
Old May 27th 04, 07:50 PM
p forsdick
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Default transit of Earth

Hi
if you lived on Mars how often if ever would you see a transit of earth and
is it as rare as the forthcoming venus transit


  #2  
Old May 27th 04, 09:03 PM
Jonathan Silverlight
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In message , p forsdick
writes
Hi
if you lived on Mars how often if ever would you see a transit of earth and
is it as rare as the forthcoming venus transit


Transits of Earth are very rare - the last was on 11 May 1984 and was
the subject of Arthur Clarke's short story with that name. He used the
calculations by Jan Meeus which were published in the Journal of the
British Astronomical Association vol. 72 no 6, 1962.
The next one is on 10 November 2084.
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  #3  
Old May 29th 04, 09:51 PM
Roger Smith
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Default


"Jonathan Silverlight" wrote
in message ...
In message , p forsdick
writes
Hi
if you lived on Mars how often if ever would you see a transit of earth

and
is it as rare as the forthcoming venus transit


Transits of Earth are very rare - the last was on 11 May 1984 and was
the subject of Arthur Clarke's short story with that name. He used the
calculations by Jan Meeus which were published in the Journal of the
British Astronomical Association vol. 72 no 6, 1962.
The next one is on 10 November 2084.
--


I have just been reading the June BAA Journal which arrived this morning.
Apparently in the year 571,741 there will be a simultaneous transit of Earth
and Venus, as viewed from Mars.

Not sure whether this is AD or not.

Roger


  #4  
Old May 29th 04, 10:09 PM
p forsdick
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Default

Hi
it is AD as it says the Martians will have to wait till then and the moon
will also be in the transit so they will see 3 things in front of the sun
definitely worth waiting for
"Roger Smith" wrote in message
news:9B7uc.940$wk7.726@newsfe2-win...

"Jonathan Silverlight"

wrote
in message ...
In message , p forsdick
writes
Hi
if you lived on Mars how often if ever would you see a transit of earth

and
is it as rare as the forthcoming venus transit


Transits of Earth are very rare - the last was on 11 May 1984 and was
the subject of Arthur Clarke's short story with that name. He used the
calculations by Jan Meeus which were published in the Journal of the
British Astronomical Association vol. 72 no 6, 1962.
The next one is on 10 November 2084.
--


I have just been reading the June BAA Journal which arrived this morning.
Apparently in the year 571,741 there will be a simultaneous transit of

Earth
and Venus, as viewed from Mars.

Not sure whether this is AD or not.

Roger




  #5  
Old May 30th 04, 05:26 AM
Mike Williams
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Default

Wasn't it Roger Smith who wrote:

I have just been reading the June BAA Journal which arrived this morning.
Apparently in the year 571,741 there will be a simultaneous transit of Earth
and Venus, as viewed from Mars.


The Martian weather forecast for that day is thick global dust storms.

--
Mike Williams
Gentleman of Leisure
  #6  
Old May 30th 04, 04:48 PM
AK47
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Default


--



I have just been reading the June BAA Journal which arrived this morning.
Apparently in the year 571,741 there will be a simultaneous transit of Earth
and Venus, as viewed from Mars.

Not sure whether this is AD or not.

Roger



Brings up an interesting point- would a simultaneous transit of Venus
and Mercury as seen from Earth be possible?
If so, how often would it occur?
When's the next one? :-)
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  #7  
Old May 30th 04, 05:12 PM
Roger Smith
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"AK47" wrote in message
...

--



I have just been reading the June BAA Journal which arrived this

morning.
Apparently in the year 571,741 there will be a simultaneous transit of

Earth
and Venus, as viewed from Mars.

Not sure whether this is AD or not.

Roger



Brings up an interesting point- would a simultaneous transit of Venus
and Mercury as seen from Earth be possible?
If so, how often would it occur?
When's the next one? :-)
--


The same JBAA article identifies a number of simultaneous Mercury/Venus
transits but none of course in the near future. Transits coinciding with
solar eclipses (and one with a lunar eclipse, visible from the moon) are
also identified.

Roger


  #8  
Old May 30th 04, 05:51 PM
Jonathan Silverlight
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Posts: n/a
Default

In message IJnuc.253$qX1.69@newsfe6-win, Roger Smith
writes

"AK47" wrote in message
...

--


I have just been reading the June BAA Journal which arrived this

morning.
Apparently in the year 571,741 there will be a simultaneous transit of

Earth
and Venus, as viewed from Mars.

Not sure whether this is AD or not.

Roger



Brings up an interesting point- would a simultaneous transit of Venus
and Mercury as seen from Earth be possible?
If so, how often would it occur?
When's the next one? :-)
--


The same JBAA article identifies a number of simultaneous Mercury/Venus
transits but none of course in the near future. Transits coinciding with
solar eclipses (and one with a lunar eclipse, visible from the moon) are
also identified.


It's fun putting the dates for those into Bill Gray's Guide and being
able to "watch" them (one was actually discovered using Guide)
Unfortunately Guide can't cope with five-figure dates (let alone six
figure) so you can't view the simultaneous events.
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  #9  
Old May 30th 04, 06:11 PM
Martin Frey
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Default

"Roger Smith" wrote:

The same JBAA article identifies a number of simultaneous Mercury/Venus
transits but none of course in the near future. Transits coinciding with
solar eclipses (and one with a lunar eclipse, visible from the moon) are
also identified.

Roger


Wouldn't that be bloody typical. There you are watching a transit and
a bloody eclipse comes along and buggers it up for 5 minutes. Worse
than getting French tele breaking into Eastenders.

--
Martin Frey
http://www.hadastro.org.uk
N 51 02 E 0 47
  #10  
Old May 30th 04, 06:25 PM
Roger Smith
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Default


"Martin Frey" wrote in message
...
"Roger Smith" wrote:

The same JBAA article identifies a number of simultaneous Mercury/Venus
transits but none of course in the near future. Transits coinciding with
solar eclipses (and one with a lunar eclipse, visible from the moon) are
also identified.

Roger


Wouldn't that be bloody typical. There you are watching a transit and
a bloody eclipse comes along and buggers it up for 5 minutes. Worse
than getting French tele breaking into Eastenders.

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


Especially if it was the first transit of Venus for 120 years.

Roger


 




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