The Sheer Size Of it All v0.1

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Age and size of the universe. Draft 0.1

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The sheer size of it all: 

The sheer size of it all

The age of the universe is estimated to be about : 

The age of the universe is estimated to be about

The age of the universe is estimated to be about 14 billion years: 

The age of the universe is estimated to be about 14 billion years

The age of the universe is estimated to be about 14 billion years: 

The age of the universe is estimated to be about 14 billion years

The age of the universe is estimated to be about 14 billion years: 

The age of the universe is estimated to be about 14 billion years 14 x 1,000 x 1,000 x 1,000 = 14,000,000,000 years

Our place in the universe: 

Our place in the universe

The universe consists of: 

The universe consists of Empty space 99,99999 % of the universe is empty Stars Most stars are grouped in galaxies Gasses

Slide8: 

What looks like a single star from the very far distance often is a galaxy of billions of stars each. a galaxy a galaxy a galaxy a galaxy a galaxy

Slide9: 

There are an estimated 200 billion galaxies in the universe 200 x 1,000 x 1,000 x 1,000 x 1,000 galaxies

The number of stars: 

The number of stars 200 billion galaxies each galaxy consists on average of 100 billion stars this multiplies to 20,000 billion billion stars 20,000,000,000,000,000,000,000

Slide11: 

than grains of sand on earth. There are more stars in the universe 10 times as many stars as grains of sand on all the world's beaches and deserts.

1 of the 100.000 billion galaxies we call The Milky Way: 

1 of the 100.000 billion galaxies we call The Milky Way

1 of the 100.000 billion galaxies we call The Milky Way: 

1 of the 100.000 billion galaxies we call The Milky Way This picture is of another galaxy. We cannot see our Milky Way from the outside, as we are somewhere in it.

1 of the 100 billion stars of the Milky Way is ‘our’ star, we call Sun.: 

1 of the 100 billion stars of the Milky Way is ‘our’ star, we call Sun. This picture is of another galaxy. We cannot see our Milky Way from the outside, as we are somewhere in it. our Sun

Let’s zoom in: 

Let’s zoom in our Sun

Slide16: 

When we zoom in, we see one star, our Sun, encircled by 11 planets. Our Earth is one of these planets. Together the Sun, the earth and the other planets are called The Solar System

The Earth circles the Sun in exactly 1 year.: 

The Earth circles the Sun in exactly 1 year. Earth Sun Saturn Mars Jupiter The distance between the planets and the Sun is much bigger than this picture suggests.

The age of the universe: 

The age of the universe Scientists estimate the age of the universe to be about 14 billion years 14,000,000,000,000 years The Earth formed about 4.5 billion years ago 14 billion years 4.5 billion years

Age of mankind: 

Age of mankind The first men appeared only a couple of million years ago on the earth. 4.5 billion years a few million years

Sources: 

Sources http://curious.astro.cornell.edu/question.php?number=31 http://curious.astro.cornell.edu/question.php?number=40 http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970115.html http://www.cnn.com/2003/TECH/space/07/22/stars.survey/ http://www.aeronomie.be/en/topics/atmospheres/atmospheres.htm