SkyTour Radio Presents:
All I Need Is The Air That I Breathe…and some water
Sunday July 22nd 2018
In this week’s episode of SkyTour Radio, we continue with our weekly exoplanet roundup then take a more in depth look at Earth and why we succeeded in forming life where others have come up short. We examine the atmosphere of Earth, how it developed from its earliest beginnings to complex life support system it is today.
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth’s gravity. The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth’s surface,absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation).
The three major constituents of Earth’s atmosphere, are nitrogen, oxygen, and argon.Water vapor accounts for roughly 0.25% of the atmosphere by mass.
Air content and atmospheric pressure vary at different layers, and air suitable for use in photosynthesis by terrestrial plants and breathing of terrestrial animals is found only in Earth’s troposphere and in artificial atmospheres.
Earth’s atmosphere can be divided into five main layers, including the exosphere, and the atmosphere which is broken into four primary layers, which are the troposphere, stratosphere, mesosphere, and thermosphere.
The Kármán line, at 100 km (62 mi), or 1.57% of Earth’s radius, is often used as the border between the atmosphere and outer space as the atmosphere becomes thinner and thinner with increasing altitude, with no definite boundary between the atmosphere and outer space.
All this and much, much more on this week’s episode of SkyTour Radio
SkyTour Radio explores the Universe in a down to Earth manner explaining the science we know in fun and bite-sized terms. Science is for everyone and people shouldn’t require an advanced degree to understand as long as it is delivered in an easy to follow way. From Black Holes to Extraterrestrial Life, we will explore the Universe like never before. Join us to check out such things as how stars form, how they live and, how our fate is intertwined with theirs. On the extraterrestrial life front, we will be speaking to the UFO and science arena’s top researchers and bring UFOlogy into the 21st century.
Skytour Radio Broadcasts LIVE every Sunday starting at 9pm EST. Tune in on http://kgraradio.com or join the discussion by going to http://kgraradio.com/chat Don’t forget you can find out more information, see show updates and get more information on the Sky Tour Radio show page. http://kgraradio.com/skytour-radio/