Voyagers in Space LEVELED BOOK • P a Reading A–Z Level P Leveled Book Word Count: 697 Voyagers in Space
Total Page:16
File Type:pdf, Size:1020Kb
Voyagers in Space LEVELED BOOK • P A Reading A–Z Level P Leveled Book Word Count: 697 Voyagers in Space • S M • P Written by Cheryl Reifsnyder Visit www.readinga-z.com for thousands of books and materials. www.readinga-z.com Photo Credits: Time Line: Important Dates for the Voyager Missions Glossary Front cover, back cover: © MPI/Archive Photos/Getty Images; title page: © NASA/SSPL/The Image Works; page 3: © NASA/SuperStock; pages 4, 6 (bottom 1977 Voyager 1 and Voyager 2 launch 16 days apart atmosphere a layer of gases surrounding left), 7 (icons), 10, 12: courtesy of NASA/JPL; pages 5, 8, 13, 14: courtesy of NASA/ JPL-Caltech; pages 6 (center), 9, 15: courtesy of NASA/JPL/University of Arizona; 1979 Jupiter flybys, with discovery of volcanoes and ice (n.) a planet, star, or moon (p. 10) Voyagers page 6 (background): courtesy of NASA/JPL/Space Science Institute; page 11: courtesy of NASA/ESA/M. Showalter (SETI Institute) on Jupiter’s moons explore (v.) to observe and learn about an 1980 Saturn flybys, with discovery of atmosphere on Titan; Title page: A NASA technician checks a test model of a Voyager spacecraft area by traveling over or through in 1977 at the Kennedy Space Center in Cape Canaveral, Florida. Voyager 1 begins trip out of solar system it (p. 4) in Space Page 3: Saturn and one of its moons as photographed by Voyager 1 on 1986 Voyager 2 reaches Uranus gravity (n.) the natural force that tends to pull November 3, 1980. The shadow of the moon appears on the planet’s cloud tops. 1989 Voyager 2 reaches Neptune and begins trip out of solar objects toward each other, such as system objects being pulled toward the 1990 Voyager Interstellar Mission begins center of Earth (p. 6) 1998 Voyager 1 passes Pioneer 10, becoming the most distant instruments tools, especially those used human-made object in space (n.) for making or recording 2012 Voyager 1 enters interstellar space measurements (p. 8) magnetic field an area around a magnet or Conclusion (n.) a moving electric charge where there is a magnetic force (p. 11) “The Voyager mission has opened up our mission (n.) a flight of a spacecraft or aircraft solar system,” says project scientist Dr. with the purpose of completing a special assignment (p. 4) Edward Stone. The two spacecraft ended orbits (n.) the paths taken by objects in space up exploring all of the solar system’s giant circling around other larger outer planets and forty-eight of their objects (p. 6) moons. Now the Voyagers are giving us probes (n.) devices used to send back information from places that are Voyagers in Space a first look at deep space. Like two small Correlation difficult or dangerous to reach Level P Leveled Book © Learning A–Z LEVEL P bottles in the universe’s huge ocean, they (p. 4) Written by Cheryl Reifsnyder Written by Cheryl Reifsnyder Fountas & Pinnell M carry a message from Earth to whatever solar system a group of objects in space that All rights reserved. Reading Recovery 28 DRA 28 lies beyond. (n.) orbit a star (p. 4) www.readinga-z.com www.readinga-z.com Voyagers in Space • Level P 15 16 Photo Credits: Front cover, back cover: © MPI/Archive Photos/Getty Images; title page: © Time Line: Important Dates for the Voyager Missions Glossary NASA/SSPL/The Image Works; page 3: © NASA/SuperStock; pages 4, 6 (bottom left), 7 (icons), 10, 12: courtesy of NASA/JPL; pages 5, 8, 13, 14: courtesy of NASA/ 1977 Voyager 1 and Voyager 2 launch 16 days apart atmosphere a layer of gases surrounding JPL-Caltech; pages 6 (center), 9, 15: courtesy of NASA/JPL/University of Arizona; Voyagers 1979 Jupiter flybys, with discovery of volcanoes and ice (n.) a planet, star, or moon (p. 10) page 6 (background): courtesy of NASA/JPL/Space Science Institute; page 11: courtesy of NASA/ESA/M. Showalter (SETI Institute) on Jupiter’s moons explore (v.) to observe and learn about an Title page: A NASA technician checks a test model of a Voyager spacecraft 1980 Saturn flybys, with discovery of atmosphere on Titan; in 1977 at the Kennedy Space Center in Cape Canaveral, Florida. area by traveling over or through in Space Voyager 1 begins trip out of solar system it (p. 4) Page 3: Saturn and one of its moons as photographed by Voyager 1 on November 3, 1980. The shadow of the moon appears on the planet’s cloud tops. 1986 Voyager 2 reaches Uranus gravity (n.) the natural force that tends to pull 1989 Voyager 2 reaches Neptune and begins trip out of solar objects toward each other, such as system objects being pulled toward the 1990 Voyager Interstellar Mission begins center of Earth (p. 6) 1998 Voyager 1 passes Pioneer 10, becoming the most distant instruments tools, especially those used human-made object in space (n.) for making or recording 2012 Voyager 1 enters interstellar space measurements (p. 8) magnetic field an area around a magnet or Conclusion (n.) a moving electric charge where there is a magnetic force (p. 11) “The Voyager mission has opened up our mission (n.) a flight of a spacecraft or aircraft solar system,” says project scientist Dr. with the purpose of completing a special assignment (p. 4) Edward Stone. The two spacecraft ended orbits (n.) the paths taken by objects in space up exploring all of the solar system’s giant circling around other larger outer planets and forty-eight of their objects (p. 6) moons. Now the Voyagers are giving us probes (n.) devices used to send back Voyagers in Space information from places that are Correlation a first look at deep space. Like two small Level P Leveled Book difficult or dangerous to reach © Learning A–Z LEVEL P Written by Cheryl Reifsnyder bottles in the universe’s huge ocean, they (p. 4) Written by Cheryl Reifsnyder Fountas & Pinnell M All rights reserved. Reading Recovery 28 carry a message from Earth to whatever solar system a group of objects in space that DRA 28 www.readinga-z.com www.readinga-z.com lies beyond. (n.) orbit a star (p. 4) Voyagers in Space • Level P 15 16 The Golden Record The First Messages to Aliens Gathering information is only part of the The Golden Record isn’t the first message humans have sent into space. Pioneer 10 and 11 are the only other Voyagers’ mission. They are also carrying human-made objects currently headed out of the solar information out of the solar system. It’s a system. Each carries a metal plaque showing drawings of a man, a woman, and Earth’s position in the universe. message to non-Earth life forms, or aliens. The message is on a twelve-inch “Golden The Final Task Record” on the side of each spacecraft. Now that the Voyagers have finished The record includes music, art, and exploring planets, they have a new job. Table of Contents spoken greetings from around the world. They are the first probes to explore space One Tough Job ..................... 4 It also includes sounds from nature. beyond our solar system. In August 2012, Planning ......................... 6 Voyager left our solar system and began The outside of the record has a map this new journey. The Main Task ..................... 8 showing Earth’s location in the universe. Voyager 2 launches from Kennedy Space Center in Florida on August 20, Jupiter ............................ 9 1977. A Titan/Centaur rocket carries it into space. Aliens could use it to find Earth, but that Interstellar space One Tough Job probably won’t happen anytime soon. Bubble of strong Saturn ........................... 10 solar wind coming Voyager 1 won’t come close to another Our sun from our sun Uranus .......................... 11 When the two Voyager spacecraft star for at least Voyager 1 launched in 1977, they had a tough job Larger Neptune ......................... 12 bubble of mission explore forty thousand weak solar ahead. Their was to years! wind that The Golden Record ................ 13 Jupiter and Saturn, two giant planets trails behind Voyager 2 our sun The Final Task .................... 14 in the outer solar system. Their journey Orbit of Neptune, would be long and difficult. If something the farthest planet Conclusion ....................... 15 Famous American astronomer Dr. Carl Sagan from our sun broke, the space probes would just have led the committee that chose what to include on each Golden Record. Glossary ......................... 16 to make do with what they had. Voyagers in Space • Level P 13 14 Voyagers in Space • Level P 3 4 The Golden Record The First Messages to Aliens Gathering information is only part of the The Golden Record isn’t the first message humans have sent into space. Pioneer 10 and 11 are the only other Voyagers’ mission. They are also carrying human-made objects currently headed out of the solar information out of the solar system. It’s a system. Each carries a metal plaque showing drawings of a man, a woman, and Earth’s position in the universe. message to non-Earth life forms, or aliens. The message is on a twelve-inch “Golden The Final Task Record” on the side of each spacecraft. Now that the Voyagers have finished Table of Contents The record includes music, art, and exploring planets, they have a new job. One Tough Job ..................... 4 spoken greetings from around the world. They are the first probes to explore space It also includes sounds from nature. Planning ......................... 6 beyond our solar system. In August 2012, Voyager left our solar system and began The outside of the record has a map The Main Task ....................