The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底温度是断变，过通常约是1000K，使得氢原子平均速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度不断变动的，不过通1000K，使得氢原子平的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外的温度是不断变动的，不通常约是1000K，使得氢原子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度是不断变动的，不过通常约是1000K，使子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

外气层底的温度是不断变动的，不过通常约是1000K，使得氢原子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球底的温度是不断变动的，不通常约是1000K，使得氢原子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度是不断变动的，不过通常约是1000K，使得氢原子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度变的，过通常约1000K，使得氢原子平均的速度为秒5公里。

The temperature at Earth's exobase oscillates but is typically about 1,000 kelvins, implying that hydrogen atoms have an average speed of five kilometers per second.

地球外气层底的温度变的，过通常约1000K，使得氢原子平均的速度为秒5公里。