Discovery™ #Mindblown Grab & Go Galaxy Lantern Portable Planetarium Projector, 24 Space-Themed Projection Slides, Ambient Nightlight Mode, Kid's Astronomy Toy, Hidden Storage Compartment

Which do you think will roll faster: Sawyer's toy tire, or Lacey's marble? Take the poll and make your prediction! For today's Daily Dose of Science, ask your child to help you set up a ramp and gather household items that might—or might not—roll. Make sure you're having fun with predictions, and record your data! We would love to see your results in the comments. #SL_DailyDose | Longway Planetarium | Facebook

New planetarium opens at U.S. Space & Rocket Center