Ready for the planetarium field trip! @CampbellAPS By @CampbellAPS | April 29, 2017 Ready for the planetarium field trip! @CampbellAPS https://t.co/Ejc9Bah9XS Posted in Daily News and tagged @CampbellAPS ← Using heat to turn a solid to a liquid @CampbellAPS “I walked out into my neighborhood and…” read some awesome stories by 2nd & 3rd authors/illustrators!… →