Zusammenfassung der Ressource
Scientist and
their beliefs
- Heliocentric
- Revolves around sun
- Heliocentric Model
- Geocentric
- Revolves around earth
- Geocentric Model
- Scientist who believe in
Heliocentric Models.
- Copernicus
- His first model of the
solar system is
generally seen as the
first step of modern
models. 1473 - 1543
- Galileo
- He approached questions with
what we call the scientific
method. He made
improvements to the newly
made telescope. 1564 - 1642
- Kepler
- He is best known
for Kepler's law.
1571 - 1630
- Aristarchus
- He attempted to measure
the relative distance to the
moon and sun. 310 - 230 BC
- Scientist who believe
in Geocentric Models
- Aristotle
- He thought the relative
position of the stars
moved be the earth. 384 -
322 BC
- Ptolemy
- Created a geocentric
model of the solar
system that was used
for 14 centuries. 100 -
170 BC
- Other Information
- parallax
- is a displacement or difference in
the apparent position of an object
viewed along two different lines
of sight, and is measured by the
angle or semi-angle of inclination
between those two lines.
- AU
- A distance used to measure in
space. It is the distance between
the sun and earth which is 150
million km.
- Kuiper Belt
- a region of the solar system
beyond the orbit of Neptune,
believed to contain many comets,
asteroids, and other small bodies
made largely of ice.
- Oort Cloud
- is an extended shell of icy
objects that exist in the
outermost reaches of the
solar system.
- Comets
- an icy body that
releases gas or dust.
- Meteors
- a small body of matter from outer space
that enters the earth's atmosphere,
becoming incandescent as a result of
friction and appearing as a streak of light.
- Rotation
- the action of rotating
about an axis or
centre It takes the
earth 24 hours to
rotate around it's axis.
- Revolution
- an instance of revolving.
The Earth's revolution
around the sun takes
3651/4 days, or one year.
- Orbit
- is a regular,
repeating path that
one object in space
takes around
another one.
- photosphere
- the luminous envelope
of a star from which
its light and heat
radiate