 | | The "geography" of local space
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Hi there! I have been lurking on LUGNET for a few months now. This is my first post to LUGNET, and I should probably introduce myself before jumping in to a discussion, but whatever... I will post a personal intro. over in lugnet.people under the (...) (25 years ago, 3-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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Thanks John. I enjoyed your overview of near Sol systems. It was quite informative. <ICS> (25 years ago, 3-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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(...) Welcome! (...) Perhaps, but we can find out, so it's not impossible. I know I don't have a starmap in my head <:) Having a universe without going through a lot of research was what I was aiming at, and I didn't think anyone else would want (...) (25 years ago, 4-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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Hey John (and all)- Astronomy is an armchair hobby? Well, I'm a historian (not done with the PhD just yet, but give me just a couple more years) who started out as a palaeontologist and astronomer--so I come at it from a different angle, but I've (...) (25 years ago, 4-Nov-99, to lugnet.space)
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(...) I remember a book called _The Dragon's Egg_ by Robert L. Forward. The ALFs in that book are residents of a neutron star -- totally different chemistries from H2O-C. (...) Would that be Jupiter? I've heard theories one way and the other -- some (...) (25 years ago, 4-Nov-99, to lugnet.space)
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Can one of you budding astronomers tell me how many light years are equal to a parsec? <ICS> (25 years ago, 5-Nov-99, to lugnet.space)
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Hi, just noodling around. Websters gives it as 1pc = 3.27ly It's the distance an ange of one minute subtends at a distance of one au. Don't be afraid of a little trig. au means astronomical unit. Lookit up. Would you like to know how to derive a (...) (25 years ago, 5-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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(...) Thanks for the answer. (...) I'm not sure what you're asking here. (...) Very cool Mark. I heard astronomers had proved the existence of several large planets around a nearby star, but had no idea JPL could build a telescope to image them. (...) (25 years ago, 5-Nov-99, to lugnet.space)
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Hello again, I''m glad I generated some interest here! I hope, however, that we do not stray too far from discussing LEGO -- I have noticed complaints in at least one other LUGNET newsgroup. (...) Both quite rewarding, but difficult fields in which (...) (25 years ago, 5-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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(...) It's in the context of creating a datsville, so I don't know how anyone can be *angry*. (...) Yeah--my girlfriend's father got his PhD in palaeobotany; not exactly a field in demand, so he ended up being a groundskeeper and specialist for (...) (25 years ago, 5-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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John J. Ladasky Jr. wrote in message <3822B586.38355581@m...ja.com>... (...) Hipparcos (...) 10 (...) that (...) many (...) that (...) on (...) local (...) What it does do, however, is give a link to the VizieR service that I found a couple of (...) (25 years ago, 7-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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(...) I just had a look at this. Cool! This is the query engine that seemed so obvious to have, that I hoped would exist, but which was somehow missing from the main Hipparcos pages. I can see that the catalog contains some errors that have been (...) (25 years ago, 7-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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John J. Ladasky Jr. wrote in message <3825442B.5A4DD282@m...ja.com>... (...) for (...) database (...) I'm (...) for (...) Well, what can I say, but: 1) This was two years ago on a machine with 32meg of memory and a version of Nutscrape that crashed (...) (25 years ago, 9-Nov-99, to lugnet.space)
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Hi, Paul, (...) Trust me, Stanford has THOUSANDS of computers other than mine to worry about! Oh, and it's not my personal workstation, though I handle most of its technical operation. We have about one computer per two people in our research group. (...) (25 years ago, 9-Nov-99, to lugnet.space)
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(...) Whoa! Citation! Can I send this one to tthe Humanities Index? (>Insert the noise of a CV being violently padded here<) (...) Absolutely. Maybe it makes us feel a little closer to reality, like we're not just playing deities but playing (...) (25 years ago, 13-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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Hello all. This is the first time I've poked my head into lugnet.space. I'm sure some of you are familiar with my site at (URL) Its got a space storyline and some models I've made as well... (...) measured. I have a question about this discussion. (...) (25 years ago, 13-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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John J. Ladasky Jr. wrote in message <382802B2.3FE87E39@m...ja.com>... (...) would (...) minus (...) than (...) _much_ (...) its (...) on (...) John, it's certainly a very good theory. After considering what you say, I think that I would consider (...) (25 years ago, 14-Nov-99, to lugnet.space)
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(...) We won't hold it against you ;-) (...) No, you understand fine, though I'm not sure how 'official' it would have been. The idea was to have something functional like Town's Datsville in space. (...) Yes, but it can be real *work* depending on (...) (25 years ago, 14-Nov-99, to lugnet.space)
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(...) Ok, cool. (...) Yeah. I'd just need maps of the Sol system, Alpha Centauri, and Barnard's Star and how they relate to each other as far as distances go for Zacktron. Most other stuff is unexplored space to the Z universe. But a useful tool. (...) (25 years ago, 14-Nov-99, to lugnet.space)
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Hi, Tim, (...) Well, there was nothing "official" about the proposal. If you check over on the Town side of LUGNET and search for something called "Datsville," you'll find a virtual Lego town that was built collectively by a bunch of people, one (...) (25 years ago, 16-Nov-99, to lugnet.space)
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(...) I am kind of familiar with the Town Datsville project (and want to find the time to contribute myself....). I think a space one would be great, but it could get a little weird given everyone's different design styles in a non-clearly defined (...) (25 years ago, 17-Nov-99, to lugnet.space)
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Hi, Tim, (...) Maps? You mean, with planets? Wouldn't we all like to have that! I can provide brief summaries of what we know about these three star systems -- though you probably already know all you need to know about Sol. ----- Alpha Centauri, (...) (25 years ago, 17-Nov-99, to lugnet.space)
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Oops. (...) Actually, it's 1.876 parsecs. You really needed to know, right? 8^) Cheers! -- John J. Ladasky Jr., Ph.D. Department of Structural Biology Stanford University Medical Center Stanford, CA 94305 -- (25 years ago, 17-Nov-99, to lugnet.space)
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| | Re: The "geography" of local space
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(...) Apparently they actually got occlusion readings from a near star in the last week--by "near" I'm talking ~40pc. I can find the article and the star name, but it's one of the HDs (that narrows it down to several hundred thousand objects....;) (...) (25 years ago, 17-Nov-99, to lugnet.space)
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This thread just keeps going and going! (...) Right. Lindsay is referring to HD 209458. Catchy name, huh? 8^) The Doppler shift research team that I mentioned in an earlier post predicted that HD 209458 has a planetary companion. The object is (...) (25 years ago, 20-Nov-99, to lugnet.space)
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| | Local space -- here's a real map!
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(...) Hey, look what I happened to find in my archive of downloads -- a 3D map of exactly these stars! (URL) is actually one double star system, UV Ceti, that MIGHT be closer than Sirius, which is not pictured on this map. Various studies disagree. (...) (25 years ago, 20-Nov-99, to lugnet.space)
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| | Re: Local space -- here's a real map!
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(...) Those were basically the stars that were being considered. The Alpha Centauri system is occupied by the Zacktron Alliance (Blacktron, M:Tron, Ice Planet, Futuron, Exploriens) and Spyrius (their enemy). Unitron forces (part of Earth (...) (25 years ago, 20-Nov-99, to lugnet.space)
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Hi, Tim, (...) Take a look at the distance chart again. Wolf 359 and Lalande 21185 may appear to be a lot farther from alpha Centauri and Barnard's Star than they are from Sol, but in fact they're less than 1.5 times farther off. Wolf 359 and (...) (25 years ago, 20-Nov-99, to lugnet.space)
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| | Re: Local space -- here's a real map!
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(...) I'm not doubting that, but Zacktron's already been written into the Alpha Centauri system, as well as Barnard's Star. Those two may come into play in the future if an alien race is discovered. (...) I guess that scratches UV Ceti from any (...) (25 years ago, 20-Nov-99, to lugnet.space)
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(...) Hey, it's a good thread. (...) Dangnab frickin' frackin' million-and-fifty-two catalogues... (...) Nice incitation effect there. It does seem that an intensity change of over 1.5% ought to be detectable again! Given (as you said) that a (...) (25 years ago, 22-Nov-99, to lugnet.space)
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Hello again, (...) O.K., all I'm trying to say is that Wolf 359 and Lalande 21185 are not that much harder to reach from alpha Centauri or Barnard's Star. I agree that the latter two stars were good first choices for your interstellar exodus. If (...) (25 years ago, 23-Nov-99, to lugnet.space)
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Greetings, Earthilings. (...) At least there's a pretty well-done on-line cross reference to the common catalogs now. Paul Baulch was kind enough start me down the road to finding this. I know that I mentioned it before, but here's the URL again for (...) (25 years ago, 23-Nov-99, to lugnet.space)
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| | Re: Local space ACK! Error in distance table!
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(...) discovered that they DIDN'T MATCH THE IMAGE that I posted! So I reviewed my math, and found an error in the formulae I used to convert polar to rectilinear coordinates. The URL listed above now has a corrected distance table! SORRY! As a (...) (25 years ago, 27-Nov-99, to lugnet.space)
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| | Re: Local space ACK! Error in distance table!
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(...) Not a big problem. Thanks for correcting it though. Sometime I've gotta get to my Zacktron planets section and also do something with a space map of their territory. That image helps TREMENDOUSLY. Thanks for everything, John! -Tim (URL) (...) (25 years ago, 27-Nov-99, to lugnet.space)
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