is there anybody out there vardeegnens 2014 04 01

70
Is there anybody out there? Lars V. T. Occhionero, [email protected] Vardeegnens Gymnasieforberedende Efterskole, 04. Januar 2014

Upload: lars-occhionero

Post on 20-Jun-2015

288 views

Category:

Education


0 download

DESCRIPTION

Talk about Life in the universe: From the creation of the universe, to stellar and planetary formation, to possible life in the solar system and beyond

TRANSCRIPT

Page 1: Is there anybody out there vardeegnens 2014 04 01

Is there anybody out there?

Lars V. T. Occhionero, [email protected]

Vardeegnens Gymnasieforberedende Efterskole, 04. Januar 2014

Page 2: Is there anybody out there vardeegnens 2014 04 01
Page 3: Is there anybody out there vardeegnens 2014 04 01

Drake Ligningen

Page 4: Is there anybody out there vardeegnens 2014 04 01

Relativitetsteorien

Generel Relativitetsteori

Beskrivelse af tyngdekraften

Ustabil Univers Kosmologisk

Konstant

8πG

c4 T μ ν=Rμν−12gμ ν R+gμ ν Λ

Page 5: Is there anybody out there vardeegnens 2014 04 01

Hubble to the rescue!

Page 6: Is there anybody out there vardeegnens 2014 04 01

Big Bang Model

George Lemaître Skabelse fra et punkt:

Singularitet

Fred Hoyle Steady State Kontinuerlig dannelse

af materiale

Page 7: Is there anybody out there vardeegnens 2014 04 01

Isotropi og Homogenitet

Page 8: Is there anybody out there vardeegnens 2014 04 01

CMB

Teori af George Gamow

Fundet af Penzias og Wilson

Hornantenne Bell Laboratories

Page 9: Is there anybody out there vardeegnens 2014 04 01

CMB

Page 10: Is there anybody out there vardeegnens 2014 04 01

CMB – COBE

Page 11: Is there anybody out there vardeegnens 2014 04 01

CMB – COBE – Spektrum

Page 12: Is there anybody out there vardeegnens 2014 04 01

CMB – WMAP

Page 13: Is there anybody out there vardeegnens 2014 04 01

CMB - Planck

Page 14: Is there anybody out there vardeegnens 2014 04 01

Komposition af energi Stof

Baryonisk Stof Mørk Stof

Stråling Krumning Mørk Energi (Kosmologisk Konstant)

Friedmann Ligningen (FLRW-metrik)

H 2

H 02=R a

−4M a

−3 a

−2

Page 15: Is there anybody out there vardeegnens 2014 04 01

Universet i dag:

Geometri: FLAD Stråling: Stor set neglicibel Stof:

Baryonisk Stof: 4% Mørk Stof: 23%

Mørk Energi: 73 % (!!)

Page 16: Is there anybody out there vardeegnens 2014 04 01

Udvikling af Universet

Page 17: Is there anybody out there vardeegnens 2014 04 01

Det tidlige univers

Atomer i det tidlige univers: Brint: 75% Helium 24.9% Lithium og Berylium (Meget meget lidt)

Hvor stammer resten af grundstofferne fra?

Stjerner

Page 18: Is there anybody out there vardeegnens 2014 04 01

STJERNER!

Page 19: Is there anybody out there vardeegnens 2014 04 01

Stjernedannelse

Page 20: Is there anybody out there vardeegnens 2014 04 01

Stjerneudvikling

Kamp mellem Tryk og Tyngdekraft

”Store og Små” stjerner

Stjerner i ligevægt → Hovedserien

Energiproduktion v. Fusion

Page 21: Is there anybody out there vardeegnens 2014 04 01

Stjerneudvikling

HR-diagram ”Små” stjerner →

M<1.5Msol ”Store” stjerner →

M>1.5Msol

Page 22: Is there anybody out there vardeegnens 2014 04 01

Stjerneudvikling

HR-diagram ”Små” stjerner →

M<1.5Msol ”Store” stjerner →

M>1.5Msol

Page 23: Is there anybody out there vardeegnens 2014 04 01

Energiproduktion

Fusion P-P-kæde

4H → He

Page 24: Is there anybody out there vardeegnens 2014 04 01

Bindingsenergi

Page 25: Is there anybody out there vardeegnens 2014 04 01

Udvikling af ”Små” stjerner

Page 26: Is there anybody out there vardeegnens 2014 04 01

Udvikling af ”Store” stjerner

Page 27: Is there anybody out there vardeegnens 2014 04 01

Supernova

Page 28: Is there anybody out there vardeegnens 2014 04 01

Grundstoffer

Page 29: Is there anybody out there vardeegnens 2014 04 01

Grundstoffer

Page 30: Is there anybody out there vardeegnens 2014 04 01
Page 31: Is there anybody out there vardeegnens 2014 04 01

Planetdannelse

Page 32: Is there anybody out there vardeegnens 2014 04 01

Planetdannelse

Page 33: Is there anybody out there vardeegnens 2014 04 01

Exoplaneter

Page 34: Is there anybody out there vardeegnens 2014 04 01

Første Exoplanet - 1995

Mayor & Queloz

Page 35: Is there anybody out there vardeegnens 2014 04 01
Page 36: Is there anybody out there vardeegnens 2014 04 01

1040

Page 37: Is there anybody out there vardeegnens 2014 04 01
Page 38: Is there anybody out there vardeegnens 2014 04 01

Transit

Page 39: Is there anybody out there vardeegnens 2014 04 01

Radialhastighed

Page 40: Is there anybody out there vardeegnens 2014 04 01

Mikrolinser

Page 41: Is there anybody out there vardeegnens 2014 04 01

Planeter

Page 42: Is there anybody out there vardeegnens 2014 04 01

Planeter - Kepler

Page 43: Is there anybody out there vardeegnens 2014 04 01

Planeter – Og deres stjerner

Page 44: Is there anybody out there vardeegnens 2014 04 01
Page 45: Is there anybody out there vardeegnens 2014 04 01
Page 46: Is there anybody out there vardeegnens 2014 04 01

Tage billeder af planeter...

Page 47: Is there anybody out there vardeegnens 2014 04 01
Page 48: Is there anybody out there vardeegnens 2014 04 01

Planeter – andre tricks

Page 49: Is there anybody out there vardeegnens 2014 04 01

Planeter - atmosfære

Page 50: Is there anybody out there vardeegnens 2014 04 01

Er der liv?

Page 51: Is there anybody out there vardeegnens 2014 04 01

… og Jorden

Page 52: Is there anybody out there vardeegnens 2014 04 01

Kemi i Rummet

Kemi i omgivelser v. stjernedannelse Fund af flere komplekse molekyler v.

spektroskopi Organiske molekyler i kometer

Page 53: Is there anybody out there vardeegnens 2014 04 01
Page 54: Is there anybody out there vardeegnens 2014 04 01

Astrobiologi

Hvorfra stammer livet?

Atmosfæren

Miller-Urey Eksperimentet

Hydrotermiske huller Tidevandspytter Rummet

Leveret gennem støv og kometer

Page 55: Is there anybody out there vardeegnens 2014 04 01

Mars

Page 56: Is there anybody out there vardeegnens 2014 04 01

Mars - Floder

Page 57: Is there anybody out there vardeegnens 2014 04 01

Europa

Page 58: Is there anybody out there vardeegnens 2014 04 01

Europa – Fisketur?

Page 59: Is there anybody out there vardeegnens 2014 04 01

Enceladus

Page 60: Is there anybody out there vardeegnens 2014 04 01

Voyager & Pioneer

Page 61: Is there anybody out there vardeegnens 2014 04 01

Radioteleskopi

Page 62: Is there anybody out there vardeegnens 2014 04 01

Prøve at ringe sammen...

Page 63: Is there anybody out there vardeegnens 2014 04 01
Page 64: Is there anybody out there vardeegnens 2014 04 01

Hvor kommer vi fra?

Page 65: Is there anybody out there vardeegnens 2014 04 01
Page 66: Is there anybody out there vardeegnens 2014 04 01

HDF

Page 67: Is there anybody out there vardeegnens 2014 04 01
Page 68: Is there anybody out there vardeegnens 2014 04 01

40.000.000.000.000.000.000.000

Page 69: Is there anybody out there vardeegnens 2014 04 01

To boldly go where no man has gone before

Page 70: Is there anybody out there vardeegnens 2014 04 01

To boldly go where no man has gone before

Tak for opmærksomheden

[email protected] - about.me/lars.occhionero – www.occhionero.dk