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Leos Ondra

Apparently, this user prefers to keep an air of mystery about them.

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  • Rančířov near Jihlava, Czech Republic
  • leosondra.cz
  • Member for 1 year, 11 months
  • 9 profile views
  • Last seen 23 hours ago

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Top posts (10)

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9 Are black holes considered part of baryonic content of universe? Sep 26 '20
7 Blue color of ion (plasma) comet tails Jul 12 '20
6 Can lunar occultation of Venus occur during solar eclipse? Apr 26 '20
6 Color index B-V of the dimming Betelgeuse Feb 15 '20
3 Is it possible for a star to return in the main sequence? Dec 11 '20
3 How was the core temperature of the Sun estimated? May 23 '19
2 What is a singularity? What is at the center of a black hole? Specifically regarding space-time Jan 5 '20
1 Why are the time zones calculated as 360°/24 and not 361°/24 or 360°/23.933? Sep 30 '20
1 By putting a mirror in space, would we be able to see into the past? Dec 25 '19
1 Would planet explode without gravity? Dec 21 '19

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