IPB

Welcome Guest ( Log In | Register )

4 Pages V  < 1 2 3 4 >  
Reply to this topicStart new topic
Unmanned Exploration Of Comets & Asteroids
djellison
post Jan 5 2006, 10:01 AM
Post #16


Founder
****

Group: Chairman
Posts: 14431
Joined: 8-February 04
Member No.: 1



How about 'dedicated close encounters' and 'distant encounters of opportunity'?

Doug
Go to the top of the page
 
+Quote Post
ljk4-1
post Jan 5 2006, 02:19 PM
Post #17


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Earth flew through the tail of Comet Halley in 1910. And since our planet has often been called Spaceship Earth....


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
tty
post Jan 5 2006, 07:03 PM
Post #18


Member
***

Group: Members
Posts: 688
Joined: 20-April 05
From: Sweden
Member No.: 273



QUOTE (ljk4-1 @ Jan 5 2006, 04:19 PM)
Earth flew through the tail of Comet Halley in 1910.  And since our planet has often been called Spaceship Earth....
*


Said spaceship has had a lot of close encounters of the violent kind with asteroids and comets, the latest in 1908.

tty
Go to the top of the page
 
+Quote Post
djellison
post Jan 5 2006, 07:33 PM
Post #19


Founder
****

Group: Chairman
Posts: 14431
Joined: 8-February 04
Member No.: 1



But the earth is hardly 'unmanned' smile.gif

Doug
Go to the top of the page
 
+Quote Post
ljk4-1
post Jan 5 2006, 08:19 PM
Post #20


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



QUOTE (djellison @ Jan 5 2006, 02:33 PM)
But the earth is hardly 'unmanned' smile.gif

Doug
*


That should be unpersonned.

wink.gif

http://www.users.bigpond.com/smartboard/pc.htm


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
ljk4-1
post Feb 13 2006, 04:11 PM
Post #21


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Five years ago on February 12, 2001, the NEAR-Shoemaker probe became
not only the first one to orbit a planetoid (Eros), it also landed on the big ol'
rock:

http://near.jhuapl.edu/

And to think it was a Valentine's Day gift, too.


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
ljk4-1
post Mar 20 2006, 09:31 PM
Post #22


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Radioisotope Electric Propulsion: Enabling the Decadal Survey Science
Goals for Primitive Bodies

STAIF, February 12-16, 2006

http://www.lpi.usra.edu/opag/mcnuttstaif06.pdf


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
machi
post Oct 20 2014, 11:40 PM
Post #23


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



I cannot found better topic than this one so I apologize for reanimation of this old topic.
Here is my collage of all cometary nuclei imaged by spacecrafts and planetary radars at 25 m/pix.
Now it's with C/2013 A1 Siding Spring.



--------------------
Go to the top of the page
 
+Quote Post
eoincampbell
post Oct 21 2014, 12:25 AM
Post #24


Member
***

Group: Members
Posts: 399
Joined: 28-August 07
From: San Francisco
Member No.: 3511



machi, by your topic re-ignition you help to keep this wonderful resource that is UMSF concise.. yet.. wonderfully detailed...
Thanks for posting...


--------------------
'She drove until the wheels fell off...'
Go to the top of the page
 
+Quote Post
Explorer1
post Feb 2 2016, 09:55 PM
Post #25


Senior Member
****

Group: Members
Posts: 2073
Joined: 13-February 10
From: Ontario
Member No.: 5221



https://www.nasa.gov/press-release/nasa-spa...ites-into-space

NEA Scout has been approved to piggyback on SLS, along with 12(!) other cubesats, four for the Moon, the rest for deep space, and three others from international partners, yet to be announced.

The target is 1991 VG, which might actually be an artificial object from the 60s or 70s...
Go to the top of the page
 
+Quote Post
bobik
post Nov 16 2016, 07:50 AM
Post #26


Member
***

Group: Members
Posts: 232
Joined: 28-October 12
Member No.: 6732



Day of decision is coming! "During ESA’s ministerial conference in Luzern, December 1-2, 2016, the decision will be made whether or not to fund the Asteroid Impact Mission (AIM), a collaborative effort with the international AIDA mission. To reinforce the importance of the AIM mission within the scientific and space communities, asteroid experts Patrick Michel, Alan Fitzsimmons and Debbie Lewis drafted a letter in support of AIM [...] published here for the public to sign."
Go to the top of the page
 
+Quote Post
bobik
post Dec 3 2016, 03:36 PM
Post #27


Member
***

Group: Members
Posts: 232
Joined: 28-October 12
Member No.: 6732



"Insiders say [AIM] missed their target sum by perhaps a few tens of millions. “A cool project has been killed because of a lack of vision, even short term, and courage, and this is really sad,” says Patrick Michel, a planetary scientist at the French National Centre for Scientific Research in Nice, who leads AIM. ..." [nature.com]
Go to the top of the page
 
+Quote Post
Explorer1
post Dec 3 2016, 04:04 PM
Post #28


Senior Member
****

Group: Members
Posts: 2073
Joined: 13-February 10
From: Ontario
Member No.: 5221



Darn, so close! Hopefully the DART component will be approved in March. Even a clone of the Deep Impact mission is better than nothing....
Go to the top of the page
 
+Quote Post
Habukaz
post Dec 13 2016, 08:48 AM
Post #29


Member
***

Group: Members
Posts: 423
Joined: 13-November 14
From: Norway
Member No.: 7310



Wörner said a few days ago (9 Dec) that he is trying to rescue the AIM mission, though how realistic that is, I have no idea.

QUOTE
Woerner, on the lack of funding for the Asteroid Impact Mission: I don’t give up. I keep fighting for it because it is too important.


QUOTE
Woerner on AIM: ran into problems when Germany offered less than expected, then withdrew funding altogether. Still working to “rescue” it.


https://twitter.com/jeff_foust/status/807274575658618880

https://twitter.com/jeff_foust/status/807278269011738624


--------------------
Go to the top of the page
 
+Quote Post
Paolo
post Dec 13 2016, 05:42 PM
Post #30


Senior Member
****

Group: Members
Posts: 1729
Joined: 3-August 06
From: 43° 35' 53" N 1° 26' 35" E
Member No.: 1004



there was an article about AIM in this week's "the Space Review"
AIM misses the funding target, for now
Go to the top of the page
 
+Quote Post

4 Pages V  < 1 2 3 4 >
Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 19th March 2024 - 10:53 AM
RULES AND GUIDELINES
Please read the Forum Rules and Guidelines before posting.

IMAGE COPYRIGHT
Images posted on UnmannedSpaceflight.com may be copyrighted. Do not reproduce without permission. Read here for further information on space images and copyright.

OPINIONS AND MODERATION
Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators.
SUPPORT THE FORUM
Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member.