BY JULIE BEER AND MICHELLE HARRISCHECK
OUT THE
BOOK!KATARINAF / SHUTTERSTOCK (FOOTPRINTS); OLLYY / SHUTTERSTOCK (WALKING);
QUAOAR / SHUTTERSTOCK (MOON); DOCENT / SHUTTERSTOCK (STOPWATCH) SEPTEMBER 2019 • NAT GEO KIDS (^9)
133 TIMES.
7 BILLION SECONDS =
It would take nearly
3 Olympic-size swimming pools
to hold 7 BILLION M&Ms.
If you could stack
7 BILLION^ people,
that tower could reach
the moon 27 times.
If you took 7 BILLION steps, you’d circle the globe
222 YEARS