CLIL2018

1. ASTRONOMY &
ASTROPHYSICS
“A journey from ignorance to
knowledge”

2. THE VISUAL UNIVERSE
MORE THAN ……
170 BILLION
GALAXIES !!!!!

3. EXPANSION OF THE UNIVERSE
Edwin Powell Hubble, (1889 –
1953)
Big Bang
13.8 billion years

4. DARK ENERGY AND DARK MATTER
Accelerating expansion of the
universe...

5. There are things we
know that we know.
There are things that
we know that we don't
know.
There are things we
don't know that we

6. MILKY WAY GALAXY
Milky Way is a barred spiral galaxy that is about 100,000 light-years
across.
100 -400 billion stars in our Galaxy.

7. THE SUN OUR STAR
Arthur Stanley Eddington, (1882 – 1944)
Nuclear fusion in stars

9. OUR SOLAR SYSTEM

10. HELIOCENTRISM

11. EARTH, OUR HOME
Average distance from the sun:
149,6 million km
4.6 billion years old
The radius of Earth at the equator is 6,378
km
Earth's polar radius is 6,356 km
Circumference 40,008 km

12. SPUTNIK 1: 4 OCTOBER 1957

13. COLUMBUS AND MAGELLAN

14. ANCIENT ASTRONOMY

15. LUNAR ECLIPSE

16. ERATOSTHENIS
276BC – 194BC

18. BACK TO SCHOOL SCIENCE
Φ=Θ2-Θ1

19. ARISTARCHUS 310BC-240BC
Heliocentrism

20. HIPPARCHUS 190BC –120BC