IPB
X   Site Message
(Message will auto close in 2 seconds)

Welcome Guest ( Log In | Register )

462 Pages V  « < 273 274 275 276 277 > » 

djellison
Posted on: Sep 4 2006, 12:49 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


SLAP smile.gif

I'm not pinning down a date - already made that clear (for the sake of impartiality when the arguments start over 'arrival' ) - all I'm doing is laying out a best guess at progress over the next two weeks.

Doug
  Forum: Opportunity · Post Preview: #66614 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 4 2006, 12:46 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


QUOTE (Julius @ Sep 4 2006, 01:20 PM) *
.I dont agree with the 'Pluto is Dead' title to this forum


I think that's the point smile.gif Those are Mike Browns words - and I think the majority in this forum disagree with them.

Doug
  Forum: Pluto / KBO · Post Preview: #66613 · Replies: 167 · Views: 179861

djellison
Posted on: Sep 4 2006, 10:21 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


LRO will use derivatives of the CTX on MRO to do approx 50cm/pixel panchromatic imaging of the surface - and then a derivative of MARCI on MRO to do 500m/pixel @ 7 different wavelengths.

http://www.msss.com/lro/lroc/index.html

I'd have thought we'd see data going online in the usual fashion, 6 or maybe 3 months chunks - 6 months later.

Doug
  Forum: LRO & LCROSS · Post Preview: #66604 · Replies: 175 · Views: 266791

djellison
Posted on: Sep 4 2006, 10:00 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


You can tell it's a good projection because the tracks stay parallel and dont diverge of converge...good work!

Doug
  Forum: Opportunity · Post Preview: #66601 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 4 2006, 07:51 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


QUOTE (Vladimorka @ Sep 4 2006, 08:36 AM) *
And tosol (929) is a driving day:
...
So it is possible that for the weekend Oppy can be on the rim of Victoria :-)


http://www.unmannedspaceflight.com/index.p...056&st=465# - as I said smile.gif

We don't know if it'll be a short drive or something significant. Either way I think next w'end will be at Epsilon and then the weekend after at Victoria.

Doug
  Forum: Opportunity · Post Preview: #66597 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 4 2006, 07:29 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


QUOTE (Jeff7 @ Sep 4 2006, 05:12 AM) *
But is the "mast" portion of the sundial truly necessary?


Yup - by casting a shadow onto the black/grey rings it allows one to calculate the direct illumination and indirect illumination properties smile.gif

And the times when the gnomen ( to give it a technical name ) might cast shadows on the arrays are only very close to sunrise and sunset - a time when the angle if incidence between sun and array is such that you're barely going to drop any power at all.

Doug
  Forum: Tech, General and Imagery · Post Preview: #66595 · Replies: 18 · Views: 19715

djellison
Posted on: Sep 4 2006, 07:27 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


Oh - a bit of tweaking here and there smile.gif

The thing with this is that you can do a 1:1 scale and not be totally oversized for a home project - MER would be too big at 1:1 smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #66594 · Replies: 10 · Views: 12419

djellison
Posted on: Sep 3 2006, 06:22 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


QUOTE (Jim from NSF.com @ Sep 3 2006, 10:15 AM) *
. NG/Boeing is not guaranteed anything


Oh - I totally agree.

However - the pie has to be cut up between the major players, and I would be shocked to see the 'LEM' contract go anywhere else.

I did like KC's prediction before the announcement which was basically that one or more groups would get the contract for some or all of it...i.e. every possible base covered smile.gif

In an ideal world the contracts would be given to whoever provides the best technical proposal...but the world is far from ideal.

DOug
  Forum: Manned Spaceflight · Post Preview: #66572 · Replies: 12 · Views: 16509

djellison
Posted on: Sep 3 2006, 05:55 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


The crater is expected to be 3 x 10m..... you're not going to see if from the ground. You're not going to see if with Hubble. You're not going to see it until LRO starts mapping at 50cm/pixel in a few years time.

Doug
  Forum: Lunar Exploration · Post Preview: #66569 · Replies: 127 · Views: 268216

djellison
Posted on: Sep 3 2006, 05:38 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


It ties in with the change from small dunes to the flat surface we're on now - you could see it from Beagle if you stretched vertically, as a 'sheen' on the terrain where we now see it to be very flat.

Doug
  Forum: Opportunity · Post Preview: #66566 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 3 2006, 04:47 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


2% of 280 Whrs = 5.6 Whrs...

Via UHF - data costs about 0.8 Whr / Mbit - so you could get perhaps 7 Mbits of data home via UHF

But of course, with onlly 5.6 Whrs - you've not got enough to warm up some instruments to take data to fill that 7 Mbits smile.gif

However - to put this into some sort of context..

Shadowing causes losses of up to around 20% per sol smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #66564 · Replies: 18 · Views: 19715

djellison
Posted on: Sep 3 2006, 09:38 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


And hence why all Opportunitys images have a 1 serial number, and Spirits have 2 smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #66536 · Replies: 11 · Views: 13226

djellison
Posted on: Sep 3 2006, 08:43 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


It looks like they intend to sell it in 7 chunks of 90 odd euros.

Can anyone who speaks italian help me find out how to subscribe?

I've emailed the contact page to see what they say.

I HAVE TO BUILD ONE (and customize it a bit to look a bit better smile.gif )

Doug
  Forum: Tech, General and Imagery · Post Preview: #66531 · Replies: 10 · Views: 12419

djellison
Posted on: Sep 2 2006, 10:21 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


We've not moved since the IDD problem. The churn you can see is what happens when you do a turn-in-place with one stuck steering actuator.

I was having a hack at it myself as well smile.gif

Doug
  Forum: Opportunity · Post Preview: #66509 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 2 2006, 09:19 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


WOAHHH....

I hope to hell that that gets to the UK in some way.

Doug
  Forum: Tech, General and Imagery · Post Preview: #66504 · Replies: 10 · Views: 12419

djellison
Posted on: Sep 2 2006, 09:15 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


It's soil pushed flat by the mossbauer.

Doug
  Forum: Opportunity · Post Preview: #66502 · Replies: 110 · Views: 126018

djellison
Posted on: Sep 2 2006, 08:45 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


I've had a look through for HGA and other deck details.

I share your frustration at IDD detail - there's not a lot out there - so all the more kudos for you for doing a great job on the APXS and RAT.....

Here's some of the best I've found.
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19010
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19006
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19003
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19001
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19002
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19039
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19216
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19459
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19458
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=19456
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=21566
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=21561

Doug
  Forum: Mars · Post Preview: #66496 · Replies: 466 · Views: 366911

djellison
Posted on: Sep 2 2006, 08:25 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


There are a LOT of high res images at the KSC website

Use the advances search option here
http://mediaarchive.ksc.nasa.gov/index.cfm

And search for images, in reverse date order, having selected Mars Exploration Rovers under the Expend. LV drop box.

This is the first image that includes a rover
http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=18623

There are a LOT of images in there.

Doug
  Forum: Mars · Post Preview: #66494 · Replies: 466 · Views: 366911

djellison
Posted on: Sep 2 2006, 06:42 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


The choice of Lo-Mart for CEV was obvious once you consider that N-G-Boe was always going to do the 'LEM' section of VSE.

Doug
  Forum: Manned Spaceflight · Post Preview: #66491 · Replies: 12 · Views: 16509

djellison
Posted on: Sep 2 2006, 05:13 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


Not really the end of its window. July 8th on a June 25th till July 15th window. Day 14 of a 21 day window. Spirit was day 3 of a 17 day window

Doug
  Forum: Tech, General and Imagery · Post Preview: #66482 · Replies: 11 · Views: 13226

djellison
Posted on: Sep 2 2006, 05:09 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


Not to mention that the distance is twice the distance we've covered in the last 900 sols. With an aging rover, and a significant investigation of Victoria yet to do - there's no real merit to the suggestion that we can average much more than 2x faster than that. So those peaks are a serious 'ask'. There's optimism, and there's sending a rover on a journey to a target that realistically - it's not going to reach.

Once we're done with Victoria - lets see how the Rover is doing, and then consider where we might go.

http://www.msss.com/mars_images/moc/2004/0...Ellipse_25m.gif

However - to be honest - there's not much else worth aiming for post-Victoria. It is the closest interesting feature. I would want some HiRISE imagery before making that choice though. Perhaps we might identify something else comparatively locally that's interesting in those images.

Doug
  Forum: Tech, General and Imagery · Post Preview: #66481 · Replies: 69 · Views: 71307

djellison
Posted on: Sep 2 2006, 02:17 PM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


Well - not all 'fixed' - the windings will forever remain broken...but at least they've discovered nothing else is wrong smile.gif

Doug
  Forum: Opportunity · Post Preview: #66461 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 2 2006, 07:32 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


Sol 927
IDD still in place
Pancam 8 pointing L257 of Tracks

Sol 928
Further IDD MI work
IDD APXS Placement

Sol 929
DRIVING smile.gif With a 360 Navcam mosaic afterwards, but no Drive Dir Pancam (suggesting 930 will be untargetted remote observations)

Doug
  Forum: Opportunity · Post Preview: #66451 · Replies: 702 · Views: 371529

djellison
Posted on: Sep 2 2006, 07:14 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


The 30" edges are the same size as the 24 and 20 amazingly - perhaps 15-20mm

I do agree on the 'seam' porblem though - at work we all use a 19 or 18" + a 15". A 'working' monitor and a 'reference' monitor - My plan for home is a 24" working monitor and my current 19" Hitachi as the 'ref' monitor.

Doug
  Forum: Chit Chat · Post Preview: #66450 · Replies: 82 · Views: 61833

djellison
Posted on: Sep 2 2006, 07:12 AM


Founder
****

Group: Chairman
Posts: 14457
Joined: 8-February 04
Member No.: 1


I guess one could use the Earth / Moon formation as an analogy. We don't see a enormous crater on Earth from the impact that created our moon.

(and yes - that's the real Alan )

Doug
  Forum: Pluto / KBO · Post Preview: #66449 · Replies: 167 · Views: 179861

462 Pages V  « < 273 274 275 276 277 > » 

New Posts  New Replies
No New Posts  No New Replies
Hot topic  Hot Topic (New)
No new  Hot Topic (No New)
Poll  Poll (New)
No new votes  Poll (No New)
Closed  Locked Topic
Moved  Moved Topic
 

RSS Lo-Fi Version Time is now: 17th December 2024 - 07:30 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.