Earth Science facts

Explore 3 curated earth science facts on ScienceCards. Discover surprising, well-sourced science one card at a time.

• Earth’s magnetic field shields us by deflecting charged… — Earth’s magnetic field shields us by deflecting charged solar particles. Without it, solar radiation could strip away our atmosphere over time, like what happened to Mars.
• If the Earth were scaled down to the size of a basketball… — If the Earth were scaled down to the size of a basketball (24 cm), its atmosphere would be about 2 millimeters thick—roughly the thickness of two paperclips stacked.
• Over 80% of Earth’s oceans remain unexplored, hiding… — Over 80% of Earth’s oceans remain unexplored, hiding unknown creatures and landscapes. We know more about the Moon’s surface than our deep seas, which are vital for climate and life.