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A "potentially hazardous" pyramid-size asteroid is about to zoom past Earth at around 48,000 mph (77,300 km/h) this week as it reaches its closest point to our planet in more than 100 years.

Read on for a full explanation of the rules, including a DnD size chart to get a feel for scale. The Player’s Handbook defines a creature’s space as “the area in feet it effectively controls in combat ...

Compare the size of up to three phones side-by-side or on top of each other.