New York Public Library’s annual Children’s Books list: 100 Titles for Reading and Sharing 2013
The American Institute of Aeronautics and Astronautics Literature Award.
Presented as part of the AIAA Science and Technology Forum and Exposition
(AIAA Sci Tech 2015) Junior Library Guild Selection, Science Nonfiction Elementary, Spring 2013
Parent's Choice Awards, Recommended Title, Spring 2013 Non-Fiction
Best Children's Books for 2013, compiled by Noodle and New York Public Library's Youth Materials Collections Specialist, Betsy Bird
Air & Space/Smithsonian magazine list, "Best Children's Book of 2013"
"Pairing a lighthearted narrative in a hand-lettered–style typeface with informally drawn cartoon illustrations, this lively tale of astronomical revelations begins with the search for Planet X.” —Kirkus Reviews
"This picture book offers a fresh, positive perspective on Pluto, showing that its change of status is not a demotion but a correction." —Booklist