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