Transcript Astronomy Tools

Notes
 Using the following power point slides, take
notes on notebook paper.
 You should write everything/answer the
questions in your notes.
 If you do not know the answers to the question,
you will need to search for it on Internet.
 Video clip links are not working. You will see
them at some point during class.
 Other underlined links work and you may
explore them.
Astronomy OR Astrology
 What’s the difference?
Astronomy
Astrology
Electromagnetic Radiation
 Energy that travels through space
(in the form of waves)
 List 4 types of electromagnetic
radiation.
 What type of radiation can we see?
Astronomy Tools
Telescopes
Telescopes
Refracting
(uses lenses)
Reflecting
(uses mirrors)
Telescopes
Radio
 Do NOT listen to
“noises” or sounds
 Records different
amounts of radio
emissions coming
from objects and
uses computers to
create an image
Images
Observatories
 Building with one
or more telescopes
 Why are they located
on mountaintops?
Telescopes in Space
Hubble Telescope
 Launched in April
1990 onboard the space
shuttle Discovery
 Cost - $2.5 billion
 Takes high quality
pictures of the universe
Will remain active until
2013.
http://hubblesite.org/
Spectrographs
 Breaks light into colors
 Provides information on star
chemical composition and
temperature
Rockets
 What causes
rockets to move
forward?
 What happens
when a
“stage” uses up its
fuel?
 What did the
development of the
multistage rocket
make possible?
Apollo
Saturn V
History
Newton’s 3rd Law of Motion
 For every action, there is an equal and
opposite reaction.
Satellites – natural or artificial object that revolves
around an object in space
 What does it mean
when a satellite is in
a “geosynchronous
orbit”?
 What are satellites
used for?
Space Probes
 What is the difference
between a satellite and a space
probe?
Mariner
Voyager
Cassini
Space Shuttle
Space Shuttles
 Reusable
 Land back on Earth like airplanes
 Why are they covered in insulated tiles?
The Space Shuttle
Living
Jet Packs
The Space Shuttle 2
Weightlessness
Challenger Disaster
Space Station
 Large satellite in
which people can
live for long
periods of time
ISS Website
Countries
Arriving at ISS
Where is the ISS?