neutron star
over 20 km/h over the speed limit
100 cm = 1 m 1000 m = 1 km 1:2 000 000 means 1 on the map = 2 000 000 in the real world; thus: 1 cm on map = 2 000 000 cm in the real world = 2 000 000 ÷ 100 m = 20 000 m = 20 000 ÷ 1000 km = 20 km
Phobos is 22.2 km in diameter on average (27×21.6×18.8) Deimos is 12.6 km in diameter on average (10×12×16)
The stratosphere I think
Saturn's equatorial radius is about 37,457 miles.
The diameter is about 20 or 30 km. About the size of a city.
20 km is 10 times longer than 2 km.
20 km/h is 12.4274 mph
20 kilometers = 12.4 miles.
1 km = 10000 dm 20 km = 200000 dm
1 mile = 1.61 km 20 miles = 32.19 km 1 km = 0.62 miles 20 km = 12.43 miles
1000 m = 1 km → 20 m = 20 ÷ 1000 km = 0.02 km
28 km
20 km - 3 km = 17 km
The size of the earth is 2521 KM to 5150 KM.
Tasmania is 68,401 km²England is 130,279 km²
20 km is 2 million cm