SPACE TRAVEL

1
Why do people want to
SPACE TRAVEL

• Since the early days of science fiction in the
  1930s, the image of space flight has become
  adventurous and exciting.
• The view of Earth and the stars is spectacular.
• The experience of living in "zero gravity" is
  fascinating.

2
GIBBOUS
MOONS
FULL
GIBBOUS
HALF
CRESENT
NEW
HALF
CRESENT
3
EARTH AND SPACE
COSMIC SCALE
ASTEROID MOON PLANETS STARS SOLAR
GALAXY UNIVERSE

SYSTEM
4
DISTANCES FROM THE SUN.
SUN
MERCURY
60 MILLION KM VENUS
110 MILLION KM EARTH
150 MILLION
KM MARS
230 MILLION KM JUPITER
780 MILLION KM SATURN
1400
MILLION KM URANUS
2900 MILLION KM NEPTUNE
4500 MILLION
KM PLUTO
6000 MILLION KM
5
Eclipses
lunar eclipse
solar eclipse
Rays of light
earth
shadow
umbra
moon
shadow
penumbra
moon
sun
earth
6
Questions
1) How long does it take for the moon to orbit
the earth. 2)