Much too small to generate the strong gravitational field needed to retain an atmosphere.

太小而没有足够大引力无法维持大气。

Think of the Sun with its gravitational field 28 times stronger than Earth's.

考虑到太阳的引力场比地球的大 28 倍。

So this is the gravitational field on Neptune and you feel, you know what?

这就是海王星的引力场，要说我感觉怎么样？

He's right. It's going to create a gravitational field that'll consume everything around it.

他说得对，黑洞会制造出引力场，把周围的一切都吞噬进去。

Juno took measurements of Jupiter's gravitational field, which scientists use to more deeply analyze the planet.

朱诺测量了木星的引力场，科学家们用它来更深入地分析这个星球。

They're extremely dense, with such strong gravitational fields, that not even light can escape their grasp.

黑洞的密度极高，引力场极强，连光都无法从其视界逃脱。

This is an object that is so massive and dense that not even light can flee its gravitational field.

黑洞是一个很庞大，密度很高的物体，甚至连光都无法逃脱它的引力场。

That means it has a very strong gravitational field, which also means it can hold on to a lot of moons.

这意味着它有很强的引力场，也意味着它可以抓住很多卫星。

This, together with measurements of Titan's gravitational field, have scientists thinking that Titan may have an underground ocean of liquid water.

再加上对泰坦引力场的测量，科学家们认为土卫六可能有一个地下液态水海洋。

The landmark lies just below the surface and has been revealed by measuring the subtle differences in the moon's gravitational field.

该标志就位于表面以下一点，测量月球重力场的细微差别时被发现。

An enormous object, like the earth, generates a gravitational field, this field causes a downward pull on all objects near its surface.

一个巨大的物体，如地球，产生重力场。这个场对所有它表面附近的物体都产生一个向下的力。

Understand the electromagnetic and gravitational fields of the planet.

了解行星的电磁场和引力场。

Its gravitational field is so strong that nothing can escape it, not even light.

它的引力场非常强大，任何东西都无法逃脱它，甚至光也无法逃脱。

Their gravitational field is so strong that nothing can escape it, not even light.

它们的引力场非常强大， 任何东西都无法逃脱， 甚至光也无法逃脱。

When matter approaches a black hole, the immense gravitational field accelerates it to high speed.

当物质接近黑洞时，巨大的引力场将其加速到高速。

These posit, among other things, that clocks will tick more slowly in stronger gravitational fields.

这些假设包括，在更强的引力场中，时钟走得会更慢。

So general relativity predicts that light should be bent by gravitational fields.

所以广义相对论预测光应该被引力场弯曲。

Galaxies, for example, are held together largely by the gravitational fields of their dark matter.

例如，星系在很大程度上是由暗物质的引力场聚集在一起的。

The rocket equation deals with moving from point A to point B in a gravitational field.

火箭方程涉及在引力场中从 A 点移动到 B 点。

I ve talked about how the strong gravitational field around a black hole causes a lensing effect.

我已经讨论过黑洞周围的强引力场如何引起透镜效应。