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Atmosphere, Guide to Space

What Causes Air Pollution?

13 Apr , 2016 by Matt Williams

Air pollution is a major issue facing us Earthlings, and knowing its causes (both natural and man-made) is a key part in addressing it

air pollution, Atmospheric pollution, carbon dioxide, carbon emissions, earth's atmosphere, fossil fuels, global dimming, global warming, greenhouse effect, planet earth, sulfur dioxide, volcanic activity, volcanic eruptions

Astronomy, Atmosphere, Comets, esa, Observing, Rosetta, SETI, Space Exploration

This Comparison of Comet 67/P With Other Solar System Bodies Will Blow Your Mind

30 Jan , 2015 by David Dickinson

There’s darkness out there in the cold corners of the solar system. And we’re not talking about a Lovecraftian darkness, the kind that would summon Cthulhu himself.  We’re talking of celestial bodies that are, well. So black, they make a Spinal Tap album cover blinding by comparison. We recently came across the above true color […]

67/P albedo, albedo, cthulhu, global dimming, philae lander, snow albedo, tar albedo, venus daytime

Astronomy, Astrophotos, Climate, Observing, Skywatching, Solar Astronomy

Happy (or is it Merry?) Aphelion This Friday

2 Jul , 2013 by David Dickinson

This 4th of July weekend brings us one more reason to celebrate. On July 5th at approximately 11:00 AM EDT/15:00 UT, our fair planet Earth reaches aphelion, or its farthest point from the Sun at 1.0167 Astronomical Units (A.U.s) or 152,096,000 kilometres distant. Though it may not seem it to northern hemisphere residents sizzling in […]

aphelion, aphelion vs perihelion, Climate Change, climate cycles, global dimming, imaging the sun, milankovitch cycles, orbit of the earth, perihelion, ramadan 2013, solar cycle, solar saftey, Supermoon, supersun

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