Posts by Ynjevi

by Ynjevi
11.08.2003, 19:07
Forum: Physics and Astronomy
Topic: RECORD TEMPERATURE
Replies: 21
Views: 10080

Re: RECORD TEMPERATURE

Well, there's still a long way to go. About 50 million years ago even northernmost Canada, Ellesmere's Island, was tropical and crocodiles lived there 8O. Its location was about the same as today.
by Ynjevi
09.08.2003, 21:57
Forum: Physics and Astronomy
Topic: New planetary satellites named
Replies: 4
Views: 3383

Re: New planetary satellites named

I beleive the naming convention for Jupiter's Satellites is based on the lovers of Jupiter (Zeus) in mythology. Either they extended this or he was a lot busier than we gave him credit for Yes, looks like it's almost only source of names which hasn't been yet exhausted :wink: As for Saturn, the con...
by Ynjevi
26.07.2003, 15:01
Forum: Physics and Astronomy
Topic: New planetary satellites named
Replies: 4
Views: 3383

New planetary satellites named

From Sky & Telescope article Jupiter -------- S/2001 J 1 = Jupiter XXVIII = Autonoe S/2001 J 2 = Jupiter XXIX = Thyone S/2001 J 3 = Jupiter XXX = Hermippe S/2001 J 11 = Jupiter XXXI = Aitne S/2001 J 4 = Jupiter XXXII = Eurydome S/2001 J 7 = Jupiter XXXIII = Euanthe S/2001 J 10 = Jupiter XXXIV = Eupo...
by Ynjevi
25.04.2003, 23:55
Forum: Celestia Users
Topic: Yet another quiz
Replies: 6
Views: 1849

Re: Yet another quiz

Right. Bad time for this quiz :lol: Moon is small grey dot in the top-left part of Sun's disc. This view shows the latest Earth transit seen from Mars, May 11th 1984. Arthur C. Clarke wrote a good short story (I don't remember the name) about doomed Mars mission where sole survivor viewed this pheno...
by Ynjevi
25.04.2003, 22:42
Forum: Celestia Users
Topic: Yet another quiz
Replies: 6
Views: 1849

Re: Yet another quiz

Not bad, but incorrect :)
Look more carefully
by Ynjevi
25.04.2003, 22:30
Forum: Celestia Users
Topic: Yet another quiz
Replies: 6
Views: 1849

Yet another quiz

What's happening? Where?

Image
by Ynjevi
14.04.2003, 18:47
Forum: Celestia Users
Topic: Io experiencing total solar eclipse
Replies: 3
Views: 1287

Re: Io experiencing total solar eclipse

Well, in fact Metis is even faster: it orbits Jupiter every about 7 hours, even faster than the planet rotates. 8O
by Ynjevi
11.04.2003, 08:22
Forum: Celestia Users
Topic: Is the size of stars is accurate when viewing from Earth??
Replies: 2
Views: 969

Re: Is the size of stars is accurate when viewing from Earth??

Apparent diameters of Sun and Moon are about half degrees. Default viewing angle in Celestia is 45 degrees. So their diameters should be about 1/90 of the width of window. Similarly sky photos show them very small if magnification is not used.
by Ynjevi
07.04.2003, 20:27
Forum: Celestia Users
Topic: Objects near Amalthea
Replies: 0
Views: 936

Objects near Amalthea

Small objects found near Amalthea?

See latest IAU Circular and The Galileo Star Scanner homepage.
by Ynjevi
27.02.2003, 12:53
Forum: Celestia Users
Topic: Celestial Phenomena and quizz : 16 moons
Replies: 10
Views: 2741

Re: Celestial Phenomena and quizz : 16 moons

No, it is new moon (far side lit, near side in dark)
by Ynjevi
18.02.2003, 16:16
Forum: Celestia Users
Topic: Third closest star system discovered
Replies: 3
Views: 1096

Third closest star system discovered

red dwarf SO025300.5+165258 - closest star system after Alpha Centauri and Barnard's star

http://news.bbc.co.uk/2/hi/science/nature/2776229.stm
by Ynjevi
13.01.2003, 19:45
Forum: Celestia Users
Topic: Three new satellites for Neptune
Replies: 1
Views: 1351

Three new satellites for Neptune

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[url]http://cfa-www.harvard.edu/mpec/K03/K03A75.html[/url]

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