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Exploring Space: Radiation, Telescopes, Space Probes, Apollo Missions

smcdaniel avatar
smcdaniel
39 diapositives · 430 Views · Jan 06, 2020

Discover the electromagnetic spectrum, energy waves, telescopes, space exploration milestones like Sputnik and Apollo missions, and future endeavors like Mars missions and the International Space Station.

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  1. CHAPTER 22 NOTES(PAGE 638) EXPLORING SPACE ***Look in your book for definitions and explanations if needed.

  2. I. RADIATION FROM SPACE A. ELECTROMAGNETIC SPECTRUM (RADIATION)

  3. RADIATION (CONT.) 1. GAMMA RAYS 2. X-RAYS 3. ULTRAVIOLET WAVES 4. VISIBLE LIGHT ROY G BIV

  4. RADIATION (CONT.) 5. INFRARED WAVES 6. MICROWAVES 7. RADIO WAVES

  5. ***All seven types of radiation travel at the speed of light 300,000 km/sec in a vacuum

  6. B. Energy Waves • ALL ENERGY FROM THE SUN TRAVELS BY WAVES (SEE DIAGRAM)

  7. ENERGY WAVES (CONT.) • CREST=THE HIGHEST POINT OF THE WAVE • TROUGH=LOWEST POINT OF THE WAVE • WAVELENGTH=FROM CREST TO CREST OF WAVE • FREQUENCY=# OF WAVES THAT PASS A PT. PER SEC.

  8. II. TELESCOPES A. REFRACTING B. REFLECTING C. RADIO

  9. D. LIGHT POLLUTION • A GLOW IN THE SKY CAUSED BY CITY LIGHTS; INTERFERES WITH OBSERVING OBJECTS IN SPACE

  10. III. SPACE EXPLORATION

  11. A. Newton’s 3rd Law of Motion: • For every action, there is an equal and opposite reaction

  12. B. SPUTNIK I C. SPACE PROBES- instrument sent into space to gather data and sent it back to Earth

  13. 1. Pioneer 10 • Pioneer 10 was the first spacecraft to fly by Jupiter, the largest planet in the Solar System. It later became the first human-made object to cross the orbit of Pluto.

  14. 2. Voyager 1 & 2 Now traveling through the outer solar system after gathering data from the outer planets

  15. 3. Galileo Probe • Galileo plunged into Jupiter's crushing atmosphere on Sept. 21, 2003. The spacecraft was deliberately destroyed to protect one of its own discoveries - a possible ocean beneath the icy crust of the moon Europa.

  16. D. RACE TO THE MOON • PROJECT MERCURY-first U.S. space program; provided experience in basic space flight (one astronaut each flight)

  17. Mercury Astronauts

  18. capsule Friendship 7

  19. 2. Project Gemini • Teams of 2 astronauts orbited Earth and practiced working in space; first space walk during this time

  20. Gemini 3 recovery

  21. Gemini Astronauts

  22. 3. PROJECT APOLLO • Astronauts reached and landed on the moon; 6 moon landings in all

  23. Apollo 11 Crew

  24. Lunar & Command Module

  25. 4. The Moon • The moon is Earth's closest celestial neighbor. • It governs the tides (the sun plays a small part, but not nearly as much as the Moon). • It is responsible for eclipses.

  26. a. Solar Eclipse When the moon casts a shadow on the Earth.

  27. b. Lunar Eclipse • When the Earth casts a shadow on the moon.

  28. Moon Phases

  29. waxing gibbous waxing crescent 1st quarter full new SUN waning crescent waning gibbous last quarter

  30. IV. SPACE SHUTTLE AND THE FUTURE

  31. Reusable spacecraft; transports astronauts, satellites, and other materials to and from space; can hold up to 10 astronauts A. SPACE SHUTTLE

  32. B. SPACE STATION • SKY LAB-U. S. station launched in 1973 • MIR-Russian station used until recently • INTERNATIONAL-newest station, still being built

  33. C. MISSION MARS • Research stages at this point • may take as long as 15-20 years before a mission takes place to Mars

  34. THEEND