Structurally similar to Salyut 3, it had a total mass of approximately 18-19 tons.

They have a mass of 2.4 metric tons each.

The water in a cloud can have a mass of several million tons.

It had a mass of 2.5 tons, 17 channels and an operational lifetime of at 5-7 years.

He estimated from the size of the crater that the meteorite had a mass of 100 million tons.

The shaking table is 5m x 5m and has a mass of 27 tons.

This is equivalent to a mass of approximately 39 million metric tons.

The Moon has an atmosphere so tenuous as to be nearly vacuum, with a total mass of less than 10 metric tons.

Its warhead was a quantum black hole, with a mass of approximately ten tons.

The machine became so big that the floor had to be reinforced to support its mass of 3.5 metric tons.