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Transcript
CHAPTER
NEW CHAPTER
Exploring Space
the BIG idea
People develop and use technology to explore and study space.
1.1 Some space objects are visible to the human eye.
1.2 Telescopes allow us to study space from Earth.
1.3 Spacecraft help us explore beyond Earth.
1.4 Space exploration benefits society.
CHAPTER OUTLINE
1.1
KEY CONCEPT
CHAPTER HOME
Some space objects are visible to the
human eye.
• Gravity causes objects in space to be grouped together
in different ways.
• Stars form patterns in the sky.
• The sky seems to turn as Earth rotates.
VOCABULARY
orbit
solar system
galaxy
universe
constellation
SECTION
OUTLINE
1.2
KEY CONCEPT
CHAPTER HOME
Telescopes allow us to study space
from Earth.
Each form of electromagnetic radiation provides
different information about objects in space.
Astronomers use different types of telescopes to gather
visible light and other forms of radiation.
VOCABULARY
electromagnetic
radiation
spectrum
wavelength
telescope
SECTION
OUTLINE
1.3
KEY CONCEPT
CHAPTER HOME
Spacecraft help us explore beyond Earth.
Astronauts can explore space near Earth. Spacecraft
without crews carry instruments to other worlds. A flyby
mission usually provides data from several bodies in
space. Orbiters, landers, and probes gather data from
one planet or body.
VOCABULARY
satellite
space station
lander
probe
SECTION
OUTLINE
1.4
KEY CONCEPT
CHAPTER HOME
Space exploration benefits society.
Space exploration has taught us about Earth’s
development. It has also provided technology that has
important uses on Earth.
This boy communicates using technology developed
by designers at NASA.
VOCABULARY
impact crater
SECTION
OUTLINE
1.1
KEY CONCEPT
CHAPTER HOME
Some space objects are visible to the
human eye.
I. Some space objects are visible to the human eye.
A. We see patterns in the universe.
VOCABULARY
orbit
solar system
1. Arrangement of the Universe
galaxy
2. Constellations
universe
B. The sky seems to turn as Earth rotates.
constellation
C. The movements of planets and other nearby
objects are visible from Earth.
KEY CONCEPT
SUMMARY
1.2
KEY CONCEPT
CHAPTER HOME
Telescopes allow us to study space
from Earth.
II. Telescopes allow us to study space from Earth.
A. Light and other forms of radiation carry
information about space.
B. Astronomers use telescopes to collect
information about space.
1. Visible-Light, Infrared, and Ultraviolet
Telescopes
VOCABULARY
electromagnetic
radiation
spectrum
wavelength
telescope
2. Radio Telescopes
3. Telescopes in Space
KEY CONCEPT
SUMMARY
1.3
KEY CONCEPT
CHAPTER HOME
Spacecraft help us explore beyond Earth.
III. Spacecraft help us explore beyond Earth.
A. Astronauts explore space near Earth.
1. Moon Missions
2. Orbiting Earth
VOCABULARY
satellite
space station
lander
probe
B. Spacecraft carry instruments to other worlds.
1. Flybys
2. Orbiters
3. Landers and Probes
4. Combining Missions
KEY CONCEPT
SUMMARY
1.4
KEY CONCEPT
CHAPTER HOME
Space exploration benefits society.
IV. Space exploration benefits society.
VOCABULARY
impact crater
A. Space exploration has given us new viewpoints.
1. Surface Features
2. Atmosphere
B. Space technology has practical uses.
1. Satellite Views of Earth
2. Technology Spinoffs
KEY CONCEPT
SUMMARY