1. THE UNIVERSE Science 1º ESO – Unit 1 Bilingual Educational Project.
I.E.S. “Luis de Góngora” (Córdoba); Dept. Biology and Geology
Bilingual Educational Project.

2. WHAT IS THE UNIVERSE?
The answer is quite simple: The universe is the whole of everything that exists.
In the universe we can distinguish two types of elements:
“WHAT”? Matter and Energy
“WHERE”? Space and Time

3. CLUSTERS OF GALAXIES
We live in a cluster of galaxies called “LOCAL GROUP”

4. GALAXIES
A GALAXY is made up of gas, dust, and hundreds of thousands of millions of stars

5. ELLIPTICAL SPIRAL IRREGULAR TYPES OF GALAXIES
According to its shape, a galaxy can be…
ELLIPTICAL
SPIRAL
IRREGULAR

6. Elliptical galaxy M110

7. Spiral galaxy M101

8. Irregular galaxy M82

9. This is our galaxy: The MILKY WAY

10. STARS, STARS, STARS…
A star is a big ball of gas that emits its own light
If you look at the sky, you can see hundreds of bright spots: They are the stars
Look at them carefully! All of them seem to be very similar, but two characteristics can be used to distinguish them:
COLOUR: It depends on the surface’s temperature
BRIGHTNESS: It depends on its distance and size

11. CONSTELLATIONS
A constellation is a group of stars that , when seen from Earth, seem to form a picture in the night sky.

12. This constellation is called ORION

13. THE SOLAR SYSTEM
The solar system is the whole of celestial bodies that orbit around the sun:
Planets:
Rocky planets: Mercury, Venus, Earth, Mars
Gaseous planets: Jupiter, Saturn, Uranus, Neptune
Dwarf planets: Ceres, Pluto, Eris
Satellites, like the Moon
Asteroids
Comets

14. THE SOLAR SYSTEM

17. Asteroid Ida

20. A photo of the night sky. If this place is on the southern hemisphere… Why are stars seen as lines? Which direction the west is in?

21. Zooming 26 orders of magnutide