But why does then the moon orbit the earth?

那么为什么月亮绕着地球转呢？

youdao

India launched a satellite into moon orbit in 2008, but had to abandon it a year later after communication links snapped.

印度2008年发射了月球卫星，但是由于一年之后与地面失去联系，不得不放弃。

youdao

India launched a satellite into moon orbit in 2008, but had to abandon it nearly a year later after communication links snapped and scientists lost control of it.

印度在2008年将一颗卫星发射至月球轨道，不过在一年后，由于卫星通讯突然中断，科学家失去了对其控制而不得不将之抛弃。

youdao

Near the moon, the astronauts fired rockets to slow the spacecraft enough to put it into moon orbit.

VOA: special.2009.07.15

This meant the Apollo Eight astronauts could fire the rocket that would send them from Earth orbit toward the moon.

VOA: special.2009.07.08

He would wait in orbit around the moon while Armstrong and Aldrin landed and explored the surface.

VOA: special.2009.07.15

An ass that could drag the moon out of orbit.

NEWYORKER: Alma

Once the two GRAIL satellites are in orbit, their next step is to begin a five week phase in which they increase the speed at which they orbit the Moon.

FORBES: NASA's GRAIL Mission Will Unlock Secrets Of The Moon's Interior

In their paper, the co-authors argue that gravitational tidal heating caused by the gravitational friction of an earth-like exo-moon on an eccentric orbit around a Jupiter-like planet lying at a Jupiter-like distance from its parent star, could, in fact, create habitable conditions.

FORBES: Earth-Like Exo-Moons Can Lurk Well Beyond Planetary Habitable Zones, Say Astronomers