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Posts tagged atmosphere

May 16, 2013


Mount Everest across landscape

Air Pressure On Everest

Planning on climbing Mount Everest? You might want to plan to be gasping for air. Learn more on this Moment of Science.

February 5, 2013


footprint on the moon's surface

Why Don’t Marks On The Surface Of The Moon Disappear?

When Neil Armstrong took his "one small step", the impression he made was lasting.

August 1, 2012


day and night of a street photographed

Why Are Nights More Calm Compared To The Day?

More often than not, the wind dies down at night after a blustery day. Where does the wind go? Why are nights generally more calm than days?

June 4, 2012


two draft horses pulling


If you can't name a politician who was also an active scientist, that doesn't mean they haven't been out there.

May 24, 2012


the sun on a day when the sky in blue

Particle Discovered Which Could Cool The Planet

Scientists in England and the United States have made a breakthrough in understanding the relationship between clouds and climate.

March 28, 2012


child underwater holding breath

How Much Breathable Oxygen Gas Is There In The Atmosphere?

I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?

March 12, 2012


Fossil shells

Scientists Use Ancient Shells To Learn About The Past

If you needed to know what the weather was like in Singapore tens of millions of years ago, you'd have to consult a different source.

March 9, 2012


a large group of balloons floating into the air

High Inflation

What happens to the balloon after it rises out of sight?

January 26, 2012


blue sky with clouds

Why The Sky Is Not Blue

This is partly due to pollution, but even in the cleanest air the sky is lighter near the horizon due to the effect of earth's atmosphere on sunlight.

October 17, 2011


Orange full moon behind a tree branch

That Spooky Orange Glow

Why is the moon sometimes orange or red? Why is the sky blue? These questions are closely related!

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