Probes, , North Star Editions, Dalton Rains,Technology/Aeronautics, Astronautics & Space Science,JUVENILE NONFICTION, New Horizons; Pluto flyby; Sputnik 1; Space Race; spacecraft; gravity assists; Jupiter; Arrokoth; space data; Mariner probes; Venus; Mars; four outer planets; gas giants; Voyager 1 and Voyager 2; Saturn; Uranus; Neptune; Golden Record; Pale Blue Dot; interstellar space; solar system; NASA; Cassini-Huygens; Juno; Parker Solar Probe; Solar Orbiter; hi-lo books; educational nonfiction for reluctant readers; easy reading for middle grade students,, Exploring Space, United States, en-UShttps://northstareditions.comNew Horizons; Pluto flyby; Sputnik 1; Space Race; spacecraft; gravity assists; Jupiter; Arrokoth; space data; Mariner probes; Venus; Mars; four outer planets; gas giants; Voyager 1 and Voyager 2; Saturn; Uranus; Neptune; Golden Record; Pale Blue Dot; interstellar space; solar system; NASA; Cassini-Huygens; Juno; Parker Solar Probe; Solar Orbiter; hi-lo books; educational nonfiction for reluctant readers; easy reading for middle grade students, [BLURB],[CITY],,books, ebooks, biblet, Book2look