Sit back and fly. Turn on Voice to hear each stop read aloud.
Pick any two things and see how they measure up.
These only change Cosmic Zoom.
Backgrounds stay light so words are easy to read. Space pictures and glowing things keep their own dark sky.
Very tiny things always use metric units like micrometers, and huge things use light-years, because that’s what scientists everywhere use.
Read-aloud voice, sound effects and calm motion are settings, shared by every app.
Earn stars by finding things and guessing sizes.
Read the clue, then zoom until the thing sits in the middle of the screen.
How big is it? Slide to the power of ten in meters you think fits best.