Actually,
objects in geostationary orbit take a day – not a year – to complete a full
orbit.
John Sheff
Cambridge, MA
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behalf Of LARRY
KLAES
Sent: Saturday, September 13, 2003
12:57 PM
To: setipublic
Cc
Yep. That's what worked for Nazi Germany and the Soviet Union. It got them
into the rocket launching business ...
John Sheff
12 Inman Street #64
Cambridge, MA 02139
617-547-1353
[EMAIL PROTECTED]
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Reeve,
Hi, Larry,
If you’re
going to do that, you might consider adding this link to an animated Europa
screen-saver: http://www.xviews.com/europa.htm.
John Sheff
Cambridge, MA
02139
[EMAIL PROTECTED]
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On
I was taken in - for about 10 seconds.
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behalf Of [EMAIL PROTECTED]
Sent: Tuesday, April 01, 2003 9:51
AM
To: [EMAIL PROTECTED]
Subject: Re: $100 Billion Manned
Mars Program Funded By Bill Gates,Etc.
I jus
But also, there’s
good stuff happening. One of our beloved pet projects – the New Horizons mission
to Pluto and the Kuiper Belt, is again on track:
http://www.space.com/scienceastronomy/pluto_horizons_030225.html
The Mars Exploration Rovers are going up this
year, so is SIRTF. And n
When I
explain the asteroid impact issue to my therapist and tell her I walk around
with a feeling of impending doom, she tells me to join a support group. The
First Step is admitting you’re powerless …
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behal
In the computer business, "best practices" for disaster planning dictates
having at least one backup offsite. :)
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Gary
McMurtry
Sent: Thursday, February 27, 2003 1:20 AM
To: [EMAIL PROTECTED]
Subject: Re: Colu
There’s apparently a desperation in the media and others to jump on any
excuse to bash NASA, even at the price of sensationalizing what are routine
concerns and precautions …
http://www.spaceflightnow.com/shuttle/sts107/030226kling/
Can we just take a deep breath and let the invest
Wow. So Bob considers evolution to be a goal-directed process, which, after
billions of years, culminates in - Bob. At that point, apparently, life has
"made it". All the Bobless worlds, like Mars and Europa, are failures. Never
mind the fact that, even on this planet, the "bacterial-based" life f
. It might be fun to kick that idea around…
John Sheff
Harvard-Smithsonian
Center for Astrophysics
60 Garden
Street, MS 28
Cambridge, MA
02138
Voice: 617-495-4671
Fax:
617-496-0193
E-Mail:
[EMAIL PROTECTED]
Website:
http://cfa-www.harvard.edu/
-Original
Message-
From
Here’s an example of people that are talking about Europa. I wish this
group was discussing it.
Astrobiologists
Say Prometheus Jupiter Mission Should Have Landing Craft
By Leonard David
Senior Space Writer
posted: 12:30 pm ET
11 February 2003
TEMPE, ARIZONA -- Scientists h
anything as exciting as the thought of living in a spacefaring civilization.
Maybe someday…
John Sheff
Harvard-Smithsonian
Center for Astrophysics
Cambridge, MA
02138
Voice: 617-495-4671
Fax:
617-496-0193
E-Mail:
[EMAIL PROTECTED]
Website:
http://cfa-www.harvard.edu/
have subsurface "oceans"? The questions go on and
on, and the answers will have major implications for us Europa enthusiasts
...
----
John Sheff
Public Affairs
Harvard-Smithsonian Center for Astrophysics
60 Garden Street, MS 28
Cam
What a brilliant idea! That's the kind of ingenious and non-linear thinking
we could bring to this project. NASA would never have thought of it - it's
not expensive enough...
- John in Cambridge
-Original Message-
From: [EMAIL PROTECTED] [mailto:owner-europa@;klx.com]On Behalf Of Schmidt
Actually, there is no "Russian section" (or "American section", either) in
Antarctica. Under terms of the Antarctic treaty, it's been an international
regime reserved for scientific exploration. Under the terms of the treaty,
each nation is responsible for regulating its own citizens doing researc
I just heard about this and it may be of interest to any Europans in the
Boston area:
NASA and Boston’s Museum of Science are hosting a series of public talks
in the “Astrobiology Guest Speaker Series” on Friday evenings beginning at 6pm.
Two of the upcoming talks may be of particular i
I know someone that would debate you. I recall that during the sixties there
was some kind of psychedelic cult - 'The Church of the Boo-Hoo Bible', or
something - that maintained that the planet Saturn was the source of all
evil and bad vibes in the universe. Their proposed solution was to destroy
We already are. It is a common technique for detecting 'astrometric' and
'spectroscopic' binaries and multiple star systems. The trick is to
distinguish an artificial unseen body from the numerous examples of natural
ones.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECT
I’d quote
the deck steward on the Titanic: “Alright, who asked for more ice?”
- John in
Cambridge
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of LARRY
KLAES
Sent: Wednesday, October 09, 2002
4:02 PM
To: europa
Subject: So what should the fi
We may
have to settle for ‘Epsilon Eridani 3’ or ‘Tau Ceti 4’. It works, but it’s kind
of unimaginative…
- John
from Cambridge
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of James
McEnanly
Sent: Tuesday, October 08, 2002
6:45 PM
To: [EMAIL
I've seen mention of the possibility that J002E3 may impact the Moon at some
point; one source quoted the odds of that happening in 2003 as high as 20%.
If that occurs (on this encounter or any future one) would the observation
of the impact provide any useful scientific information? I know the A
Of course, all of these objects - J002E3, Cruithne, the Moon, and the
Earth - ultimately revolve around the Sun. It's all a matter of definition
and we can argue forever about what to call what. Nature will always get the
last word...
-Original Message-
From: [EMAIL PROTECTED] [mailto:[
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
Sent: Thursday, May 09, 2002 4:07
AM
To: [EMAIL PROTECTED]
Subject: Re: The snake devours its
tail
In a
message dated 5/8/2002 9:16:47 PM Alaskan Daylight Time, [EMAIL PROTE
Hi, Bruce:
Thanks for bringing this to our attention, discouraging though it is. Your
interpretation seems right on, but I also had the thought that the poll
indicates what a truly abysmal job NASA has done in educating the public
about its mission and its accomplishments (as well as how scienti
The ISS may not be required as a logistical waypoint, but it sure is
required as a *logical* waypoint. Any journeys of humans beyond Earth orbit
(other than the few quick short hops to the Moon and back - and we've done
that, already) will absolutely require studying the long-term effects of
mic
The ISS may not be required as a logistical waypoint, but it sure is
required as a *logical* waypoint. Any journeys of humans beyond Earth orbit
(other than the few quick short hops to the Moon and back - and we've done
that, already) will absolutely require studying the long-term effects of
micr
Greetings, Hibai,
I, too, am learning how to do a web site. Yours looks terrific! I would
encourage you to keep up the good work, and please let me know if there is
any way I can be of any help ...
- John S.,
Cambridge, MA, USA
-Original Message-
From: [EMAIL PROTECTED] [mailto:[E
Have any of you seen this story about a cryobot being tested in
Spitzbergen?
-
John S.
http://www.spacedaily.com/news/robot-02a.html
Actually,
I used to dismiss the claims of the plutonium-protesters, myself. After all, no
matter how badly the rest of the government screwed up, no matter how ineptly the
rest of NASA was managed, the reputation of JPL was one of total competence.
These are the people who prided themselves
Why wait until a lunar/asteroid infrastructure is "reaping profits"? In view
of the fact that entrepreneurs have already thoroughly overexploited one
planet - Earth - let's levy the tax now. Let's see how far you get with THAT
idea; is there any reason to assume that they would like it any better
I'm not sure I totally agree with the thrust of some of the last postings as
regards the rationale for space exploration in general and Europa
exploration in particular.
For one thing, I am not as upbeat as some of you as to the power of private
enterprise to provide a robotic and human presence
Why does
this thread keep appearing on this mailing list? I thought we were to supposed
to disavow any knowledge of its existence
-
John S.
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
Sent: Sunday, Decembe
I have been a long-time enthusiast enraptured about the possibility of
finding life elsewhere in the Universe. However, I remain firmly in the camp
of those that advocate channeling whatever limited scraps of funding remain
after OMB is done Talibanizing NASA towards a mission to Pluto.
I agree
Have any of you seen the disturbing stories popping up today about OMB
threatening to cancel *all* Outer Planets Exploration in the next decade?
Check out (www.nasawatch.com and
www.spacedaily.com/news/outerplanets-01h.html), which report that OMB is
pretty much got their minds set on axing eith
And for some of us even older (and thus more impatient) folks, I wonder if
this is range of ice thickness is something that can be penetrated by radar
on a Europa Orbiter or Europa flybys or whatever form the Next Mission will
take ...
- John
-Original Message-
From: [EMAIL PROTECTED]
I assume some of you may have seen the recent stories about folks estimating
the ice thickness on Europa based on impact crater morphology
(www.spaceflightnow.com/news/n0111/09europa/); these studies seem to suggest
the ice thickness is at least 3-4 km. If it is of this order (and not much
great
Not until
I’ve plunked down my $20 million and gotten my ride …
- John
-Original
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Paul
Lavin
Sent: Friday, November 09, 2001
12:39 AM
To: [EMAIL PROTECTED]
Subject: RE: ISS Problen Caused By
Previous Limi
Hi, Bruce,
Please dont
hold back
why dont you let us know how you *really* feel about the Space Station?
Seriously,
I agree with Rick on this one. And I dont think the discussion is well served
by using alarmist words like blackmail regarding Russias request for the US
to pr
oomaw wrote:
>- Original Message -
>From: "John Sheff" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
>Sent: Wednesday, August 01, 2001 8:29 PM
>Subject: Re: Gary McMurtry's question
> > At 08:02 PM 8/1/01 -0400, [EMAIL
Hi, Scott:
My intention was not to denigrate NASA and it's accomplishments but to (as
every taxpayer has the right to do) question it's priorities. I'd like to
respond to your points as follows: (nothing personal...)
At 08:02 PM 8/1/01 -0400, [EMAIL PROTECTED] wrote:
>In a message dated 7-
True, but I think there is a entirely different factor at work - namely
that NASA seems eager to fund so-called "technology-demonstration
missions", and then to never capitalize on the lessons learned. For
example, the wonderfully-successful Mars Pathfinder mission in 1996 was
supposed to de
Hi, folks,
I've been a subscriber/lurker to the mailing list for a while, and (granted
that news updates on Europa ARE infrequent), the list still fills my
mailbox just TOO often with just TOO much discussion that is off-topic, and
REDUNDANT with news that I get anyway from other generalized
e less disruptive to leave the
power source on the surface ice?
John Sheff
At 09:32 PM 4/29/01 -0700, you wrote:
>
>
>-Original Message-
>From: Reeve, Jack W. <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
>Date: Sunday, April 29, 2001 8:50 PM
>
The best one I've seen is on the JPL Europa Orbiter web site:
www.jpl.nasa.gov/ice_fire//europao.htm
The image itself (which shows a Europa "hydrobot" among some "black smokers") is at:
www2.jpl.nasa.gov/files/images/browse/p48326.gif
Good luck on your daughter's presentation...
- John
At
44 matches
Mail list logo
