Gregory Vogt

Subjects

Juvenile literature, Exploration, Planets, Children: Grades 2-3, Astronautics, Astronomy, Solar system, juvenile literature, Space sciences, Children: Grades 4-6, JUVENILE NONFICTION, Manned space flight, Science & Nature, Solar system, Stars, Astronomy, juvenile literature, Comets, Earth (planet), Earth (planet), juvenile literature, Experiments, Exploration of outer space, Planets, juvenile literature, Project Apollo (U.S.), Project Mariner (U.S.), Space flight, Space flight to the moon

Places

Outer space, Pluto (Dwarf planet), Solar system, Earth, Moon, United States, Venus (Planet), Halley's comet, Jupiter (Planet), Mars (Planet), Mercury (Planet), Neptune (Planet), Pluto (Planet), Saturn (Planet), Sun