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- Season 0 2000-11-25
- Season 1 2001-04-07
- Season 2 2002-04-06
- Season 3 2003-04-19
- Season 4 2004-04-03
- Season 5 2005-04-22
- Season 6 2006-04-22
- Season 7 2007-04-28
- Season 8 2008-04-19
- Season 9 2009-03-07
- Season 10 2010-02-06
- Season 11 2011-03-05
- Season 12 2012-03-10
- Season 13 2013-04-13
- Season 14 2014-04-12
- Season 15 2015-01-12
- Season 16 2016-01-11
- Season 17 2017-04-08
- Season 18 2018-04-07
- Season 19 2019-09-21
- Season 20 2020-09-16
- Season 21 2021-04-21
- Season 22 2022-04-09
- Season 23 2023-09-07
Season 23 Episode
- Season 13 Australia. Il continente delle sfide
- Season 13 Le montagne di fuoco
- Season 13 Versailles. Una giornata da re
- Season 13 Roma Amor. Passione nell'antica Roma
- Season 13 I sensi della vita
- Season 13 I cicli della vita
- Season 13 I tesori del Museo Egizio di Torino (seconda versione)
- Season 13 L'India delle meraviglie (seconda versione)
- Season 13 Francesco d'Assisi. Le sorprese della sua vita e del suo tempo
- Season 13 Le meraviglie del cielo
- Season 13 Splendori di Sicilia
- Season 13 La torre di Babele
- Season 13 La cappella Sistina e i suoi segreti
- Season 13 Venezia. Viaggio tra i tesori del Canal Grande (seconda versione)
- Season 13 Il racconto segreto della colonna traiana (seconda versione)
- Season 13 Viaggio insolito nel corpo umano (seconda versione)
- Season 13 Pearl Harbor. La storia minuto per minuto
Ulisse. Il piacere della scoperta - Season 13 Episode 10 Le meraviglie del cielo
8.90 48 minutes Have you ever thought that when we breathe a little bit of heaven enters each of us? But what exactly is the sky? Is it possible to be struck by lightning out of the blue? What exactly is a rainbow made of? We discover all this with a journey into the 100 kilometers of air above our heads; this is by definition the sky. In the episode we try to explain what a cloud is and why the sky is blue during the day and then suddenly becomes transparent at night and allows us to see the stars that cannot be seen during the day. Let's meet the creatures that live there. It's not just birds that populate the sky. In fact, some plants have learned to exploit the air when they drop their seeds, giving them real wings. In this case we could say that the plants, or rather a part of them, have learned to fly. We observe the tallest man-made buildings to grasp the secrets of their stability both in the case of ancient buildings and modern skyscrapers.
