args[0]=message
args[1]=DB::DB::Message=HASH(0x30fd020)
Re[4]: Atmosfera Venery
17.11.2006 17:09 | M. Yu. Yakimov
Sm. stat'yu "Dissipaciya atmosfer", a takzhe razdel "Atmosfery planet" obzora "Planety" na dannom saite. Za granicu atmosfery mozhno prinyat' rasstoyanie ot planety, na kotorom teplovye skorosti dvizheniyamolekulstanovyatsya poryadkaskorosti ubeganiya - eto rasstoyaniya poryadka neskol'kih tysyach km, no, konechno, ne 12 tys., tem bolee chto u Venery prakticheski otsutstvuet magnitnoe pole, a znachit i net radiacionnyh poyasov, protyazhennost' kotoryh sostavlyaet neskol'ko radiusov planety.
- Atmosfera Venery
(I. V. Agafonov,
14.11.2006 20:58, 687 Bait, otvetov: 7)
Zdravstvuite.
Perechityval Strugackih "Strana Bagrovyh tuch", (pro Veneru, 1958 god)reshil posmotret' v interenete, kak izmenilas' informaciya o planete za eto vremya.
Poisk privodit k mnogochislennym ssylkam na stat'i, gde povtoryaetsya odna i ta zhe informaciya ob atmosfere:
"Temperatura i davlenie snachala padayut s uvelicheniem vysoty. Minimum temperatury (150-170 K) opredelen na vysote 100-120 km, a po mere dal'neishego pod'ema temperatura rastet, dostigaya na vysote 12 tys. km 600-800 K"
Otkuda - 12 tys. km?!
Chto eto?! Ne veryu. (s)
No etoi informaciei zabit ves' internet. Gde prochitat' dostovernye dannye?
Spasibo.
- Re: Atmosfera Venery
(I. V. Agafonov,
15.11.2006 17:33, 216 Bait, otvetov: 6)
Ya pochemu tut sprashivayu, na etom uvazhaemom saite?
Ubeditel'no vyglyadit, da i poseshayu ya ego davno, god pochti, ezhednevnye kartinki razglyadyvayu.
Avse ostal'noe, chto ya nashel, doveriya ne vyzyvaet, aga.
- Re[2]: Atmosfera Venery (M. Yu. Yakimov, 16.11.2006 20:55, 348 Bait, otvetov: 5) Prekrasnyi grafik raspredeleniya temperatury (i davleniya) po vysote mozhno posmotret' na http://www.datasync.com/~rsf1/vel/1918vpt.htm. A chto kasaetsya 12 tys. km - tam gaz nastol'ko razrezhennyi i neravnovesnyi (po suti dela plazma), chto vryad li mozhno govorit'o kakoi-to odnoitemperature.
- Re[3]: Atmosfera Venery
(I. V. Agafonov,
17.11.2006 1:22, 397 Bait, otvetov: 4)
Spasibo, ochen' naglyadno.
A mozhno li voobshe govorit' ob atmosfere na vysote 12 000 km? Pri radiuse planety v 6 000 km?
Ponyatno, chtochetkoi granicy net, tam vse ubyvaet po kakoi-nibud' eksponente do beskonechnosti (nu, tochnee, do teh por, poka hot' odna molekula letaet), no, navernoe, sushestvuyut kakie-nibud' ramki, i, oni, navernoe, sil'no otlichayutsya ot etoi chudovishnoi cifry.
- Re[4]: Atmosfera Venery (Yu. V. Voitova, 17.11.2006 12:28, 228 Bait, otvetov: 2) Prosti-Te, moe obrashenie, mozhet ne v toi teme pishu, no u menya bezvyhodnaya situaciya. mne srochno nuzhny fotografii zvezd na nebe. Luchshego kachestvo i mozhno razshirit' do formata A2. Tem vyshe cena. pozhaluista pomogite dizaineram....
- Re[5]: Atmosfera Venery
(M. Yu. Yakimov,
17.11.2006 17:26, 520 Bait)
Po povodu zvezdnogo neba. Esli proitis' na dannom saite po arhivu "Astronomicheskaya kartinka dnya", mozhno, natknuvshis' na chto-to podhodyashee, zaiti na sait-istochnik dannoi fotografii po ssylke, raspolozhennoi pod kartinkoi. Eto saity lyubitelei, inogda professionalov ili organizacii. Tam chasto mozhno naiti samye raznoobraznye foto, inogda vysokogo razresheniya. Sm., naprimer http://canopus.physik.uni-potsdam.de/~axm/astrophot.html.
- Re[5]: Atmosfera Venery (Dmitrii Docenko, 17.11.2006 18:28, 486 Bait) Naprimer, zdes': http://www.eso.org/outreach/press-rel/pr-2006/phot-14-06.html http://hubblesite.org/gallery/album/ No uchtite, chto vse krasivye astronomicheskie kartinki pod kopiraitom, i esli Vy hotite ih ispol'zovat' dlya zarabatyvaniya deneg, to po-horoshemu nuzhno svyazatsya s organizaciei-avtorom. Dima P.S. K diskussii o Venere. Na rasstoyaniyah poryadka radiusa planety atmosfera ubyvaet ne eksponencial'no, a medlennee, iz-za togo, chto prityazhenie umen'shaetsya s vysotoi.
- >> Re[4]: Atmosfera Venery
(M. Yu. Yakimov,
17.11.2006 17:09, 511 Bait)
Sm. stat'yu "Dissipaciya atmosfer", a takzhe razdel "Atmosfery planet" obzora "Planety" na dannom saite. Za granicu atmosfery mozhno prinyat' rasstoyanie ot planety, na kotorom teplovye skorosti dvizheniyamolekulstanovyatsya poryadkaskorosti ubeganiya - eto rasstoyaniya poryadka neskol'kih tysyach km, no, konechno, ne 12 tys., tem bolee chto u Venery prakticheski otsutstvuet magnitnoe pole, a znachit i net radiacionnyh poyasov, protyazhennost' kotoryh sostavlyaet neskol'ko radiusov planety.