a straight line from one side of a circle to the other side, passing through the centre of the circle, or the length of this line 直径: 【例句】 Draw a circle six centimetres in diameter. 画一个直径为六厘米的圆。 【例句】 The diameter of the Earth is about 13,000 km. ...
tə$-ər/●●○noun[countable]astraightline from one side of acircleto the other side, passing through thecentreof the circle, or thelengthof this line3 inches/1 metre etc in diameterDraw a circle six centimetres in diameter.diameter ofThe diameter of the Earth is about 13,000 km....
tə$-ər/●●○noun[countable]astraightline from one side of acircleto the other side, passing through thecentreof the circle, or thelengthof this line3 inches/1 metre etc in diameterDraw a circle six centimetres in diameter.diameter ofThe diameter of the Earth is about 13,000 km....
EleninI Want to Remind Youthat the Outercoma It's Very Dischargedgas Envelope Notthe Nucleus Itself Estimates of the Nucleus Size Has Notchanged
Venus is known as the Earth's “twin” because the planets are so like each other in size. The diameter (直径) of Venus is about 7,520 miles (12,100km), about 400 miles (644km) smaller than that of the earth. No other planet comes closer to the earth than Venus. At its nearest...
How many times does the earth orbit the sun every year? A star has a mass of 2.0 x 1036 kg and is a sphere with a radius of 7.0 x 105 km. What is the density of the star in g/cm3? What is the total mass of silicon in the crust of the earth? Assume that the radius of th...
Except for the sun the moon looks like the biggest object in the sky. Actually it is one of the smallest and only looks big because it is so near to us. Its diameter(直径) is only 2 160 miles (3 389 km) or a little more than a quarter of the diameter of the earth. Once a ...
1.What are the gases of the sun like? A. Very hot B. Very bright C. All of the above 2.The sun’s energy comes from . A. X—rays B. nuclear fusion C. layers of gases 3.The diameter of the earth is about 6300 km. How about that of the sun? A. About 6300km B. About...
A round balloon of unit radius subtends an angle of90∘at the eye of an observer standing at a point , say A. What is the distance of the centre of the balloon from the point A? View Solution Assuming the average distance of the earth from the sun to be 149700000 km and the angl...
Except for the sun the moon looks like the biggest object in the sky. Actually it is one of the smallest and only looks big because it is so near to us. Its diameter(直径) is only 2 160 miles (3 389 km) or a little more than a quarter of the diameter of the earth. Once a ...