Shotting stars

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A presentation about meteors by Jose Matos

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Presentation Transcript

Shooting stars : 

Shooting stars José Matos Association of Physics of the University of Aveiro

Program for tonight : 

Program for tonight First part: a short talk on shooting stars and the danger of some hit your head or extinguish the humanity. Second part: observation of the sky with telescope. After midnight: see stars all night (without drinking). I hope that you like.

What are shooting stars? : 

What are shooting stars? Small grains of dust that pass the Earth atmosphere and burn

What you should do when you see a shooting star? : 

What you should do when you see a shooting star? Make a desire Think that a shooting star is a grain of the beginning of the solar system Because the comets are the fossils of the solar system

What is a comet? : 

What is a comet? A comet is a dirty snowball, that dirties the space

Slide 6: 

Meteor shower

It is dangerous? : 

It is dangerous? Can a shooting star reach the surface? No, they are too small and burn in the atmosphere. And stones with the size of my hand? Yes, they can (Obama) And big stone?

A planet in the right place : 

A planet in the right place with good neighbours

Our good neighbour : 

Our good neighbour Júpiter

But we also have bad neighboring : 

But we also have bad neighboring An asteroid is a rocky potato in space

Can hit the Earth : 

Can hit the Earth

Sixty-five million of years… : 

Sixty-five million of years… Bad luck for the dinosaurs good luck for the man The extinction of the dinosaurs allowed the man's appearance

Where can fall? : 

Where can fall?

Tunguska, 100 years ago : 

Tunguska, 100 years ago

Can we avoid the shock of an asteroid? : 

Can we avoid the shock of an asteroid? Yes, we can The Earth is saved, yuppi

And now let`s go to the stars : 

And now let`s go to the stars