# Are we alone?

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## Presentation Description

No description available

By: alwaysfairplay (117 month(s) ago)

Great Presentation.

By: svianna (157 month(s) ago)

Does http://micro.magnet.fsu.edu/primer/java/ scienceopticsu/powersof10/ ring a bell?

By: Harman (157 month(s) ago)

Wow! What a presentation! It makes you think! Good work.

## Presentation Transcript

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. ZOOM POWER OF 10 FROM MICRO TO MACROCOSMOS

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This is a trip at high speed, jumping distances by factor of 10. Start with 10 0 equivalent to 1 meter, and increasing sizes by factor of 10s ,or 10 1 (10 meters), 10 2 (10x10 = 100 meters, 10 3 (10x10x10 = 1.000 meters), 10 4 (10x10x10x10 = 10.000 meters), so on, until the limit of our inmagination in direction to the macrocosmos. Later let’s return, a little faster, up to the point where we started and continue our trip in the opposite direction reducing distances of travel by factors of 10 into the microcosmos. Observe the constancy of the laws of the universe and think about how much the human race still needs to learn...

BON VOYAGE!

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Distance to a bunch of leaves, in the garden 10 0 1 meter

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Start our trip upwards .... We could see the foliage. 10 1 10 meters

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At this distance we can see the limits of the forest and the edifications 10 2 100 meters

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We will pass from meters to kilometers.. Now it is possible to jump with a parachute ... 10 3 1 km

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The city could be observed but we really can not see the houses 10 4 10 km

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At this height, the state of Flórida - USA, can be seen.. 10 5 100 km

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Typical sight from a satellite 10 6 1.000 km

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The north hemisphere of Earth, and part of South America 10 7 10.000 km

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The Earth starts looking small... 10 8 100.000 km

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The Earth and the Moon’s órbit in white.... 10 9 1 millón de km

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Part of the Earth’s Orbit in blue 10 10 10 Millons de km

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10 11 100 millons de km Órbits of: Venus and Earth...

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Órbits of: Mercury, Venus, Earth, Mars and Júpiter. 10 12 1 billón de km

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At this height of our trip, we could observe the Solar System and the orbits of the planets 10 13 10 billons de km

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10 14 100 Billons de km The Solar System starts looking small...

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The Sun now is a small star in the middle of thousands of stars... 10 15 1 trillón de km

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At one light-year the little Sun star is very small 10 16 1 light-year

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Here we will see nothing in the infinity.... 10 17 10 light-year

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“Nothing” Only stars and Nebulae... 10 18 100 light-years

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10 19 1,000 light-years At this distance we started travelling the Via-Láctea (Milky Way), our galaxy.

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We continued our travel inside the Via-Láctea. 10 20 10,000 light-years

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We started reaching the periphery of the Via-Láctea 10 21 100,000 light-years

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At this tremendous distance we could see all the Via-Láctea & other galáxies too... 10 22 1 millión light-years

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From this distance, all the galaxies look small with inmense empty spaces in between. The same laws are ruling in all bodies of the Universe. We could continue traveling upwards with our imagination, but now we will return home quickly 10 23 - 10 million light-years

10 22

10 21

10 20

10 19

10 18

10 17

10 16

10 15

10 14

10 13

10 12

10 11

10 10

10 9

10 8

10 7

10 6

10 5

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10 4 Questions that come to our minds ... Who are we? Where are we going? From where did we come from?

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10 3 Or... What do we represent in the Universe?

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10 2 In this trip “upwards” we went to the power of 23 of 10

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10 1 Now we are going to dig inside of the matter in an inverse trip...

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We arrived at our starting point. We could reach it with our arms... 10 0

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Getting closer at 10 cm ...We can delineate the leaves. 10 -1 10 Centímeters

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At this distance it is possible to observe the structure of the leaf. 10 -2 1 Centímeter

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The cellular structures start showing... 10 -3 1 Millímeter

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The cells can be defined. You could see the union between them. 10 -4 100 microns

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Start our trip inside the cell ... 10 -5 10 microns

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The nucleus of the cell is visible. 10 -6 1 micrón

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Again we changed the messuring unit to adapt to the minúscule size. You could see the chromosomes. 10 -7 1.000 Angstroms

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In this micro universe the DNA chain is visible. 10 -8 100 Angstroms

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...the chromosómes blocks can be studied. 10 -9 10 Angstroms

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It appears like clouds of electrons... These are carbon átoms that formed our world. You could notice the resemblance of the microcosmos with the macrocosmos... 10 -10 1 Angstrom

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In this miniature world we could observe the electrons orbiting the atoms. 10 -11 10 picómeters

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An inmense empty space between the nucleous and the electron orbits... 10 -12 1 Picómeter

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At this incredible and minuscule size we could observe the nuceous of the atom. 10 -13 100 Fentómeters

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Now we could observe the nucleous of the carbon atom 10 -14 10 Fentómeters

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Here we are in the field of the scientific imagination, face to face with a proton. 10 -15 1 Fentómeter

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Examine the ‘quark’ partícules There is nowhere more to go... At the limits of current scientific knowledge . This is the limit of matter... 10 -16 100 Atómeters

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And now ...Are you the center of the universe? Are you the special creature of the Creatión? What is behind those limits? Are there any limits? Note that going “downwards” we could only go to the power of minus 16ªof 10 and reached the (known?) limits of matter... But upwards we went to the power of 23ª of 10 and stopped... But really we could have continued our trip with out limits to our imagination!!!! ... then? ...who says that we are alone in the universe?

END !