These are grains of cosmic dust, which existed prior to our solar system forming.

这些于我们太阳系形成的宇宙尘埃颗粒。

We see baby stars being born in stellar nurseries surrounded by dust and gas.

我们知道原恒星诞生于充满宇宙尘埃和气体的恒星摇篮。

Cosmic dust is not quite the same as dust we know from the apartment here.

宇宙尘埃和我们在这间公寓里看到的尘埃并不完全一样。

He points out that cosmic dust isn't exactly the kind of dust you or I might be familiar with.

他指出宇宙尘埃并不你我所熟悉的那种尘埃。

If you've ever looked up at the Milky Way, you've seen what's known as cosmic dust.

果你曾经仰望过银河系，你就会看到所谓的宇宙尘埃。

NASA has other samples still of very old cosmic dust.

- 美国宇航局还有其他古老的宇宙尘埃样本。

Every year, tens of thousands of tons of cosmic dust lands on Earth and mingles with terrestrial minerals.

每年， 数万吨宇宙尘埃降落在地球上，并与地球上的矿物混合在一起。

That means it can see through dust in the universe to find out more about what's inside.

这意味着它可以透过宇宙的尘埃来了解更多关于里面的东西。

Cosmic dust is really just very small particles in the universe that are consisting of just a few molecules, often containing carbon or silicate.

宇宙尘埃实际上宇宙小的粒子，仅由几个微粒组成，通含有碳或硅酸盐。

In space, dust interacts with cosmic rays -- high-energy particles that move through space at nearly the speed of light.

在太空，尘埃与宇宙射线相互作用，宇宙射线一种以接近光速在太空移动的高能粒子。

Indeed, in addition to mass loss, the earth also acquires additional mass from space approximately 40,000 tonnes of cosmic dust settles on the Earth's surface throughout the year.

事实上，除了质量损失外，地球还从太空获得额外质量，全年约有四万吨宇宙尘埃沉降在地球表面。

And-as in that Milky Way example-that cosmic dust absorbs the light of stars behind it, making it harder for us to see those stars with instruments like the Hubble Space Telescope.

而且，就和银河系的例子一样，宇宙尘埃吸收了它背后恒星的光，使我们很难用哈勃空间望远镜等仪器看到这些恒星。

The Stellar Wraith was also fitted with a series of modules, each designed for a specific purpose, from sampling the cosmic dust to analyzing the composition of celestial bodies.

Stellar Wraith 还配备了一系列模块, 每个模块为特定目的而设计的, 从采样宇宙尘埃到分析天体的成分。

This means they can detect invisible gases and reveal whole new areas of space that optical telescopes can't see - because with those, cosmic dust often gets in the way.

这意味着它们可以探测到不可见的气体，并揭示光学望远镜看不到的全新空间区域——因为有了这些，宇宙尘埃会挡住视线。

While the recorder did not work as  intended, the twelve instruments on board provided data on a range of Earth measurements, including  the upper atmosphere, radiation, cosmic dust, and the Earth's magnetic fields.

虽然记录器没有按预期工作，但船上的十二台仪器提供了一系列地球测量数据，包括高层大气、辐射、宇宙尘埃和地球磁场。

Such stars would have been very massive and gone supernova in just 3 million years – seeding the baby universe with the chemical elements needed to form dust, asteroids,  planets and the ingredients of life.

这些恒星质量大，在短短 300 万年内就会变成超新星，为婴儿宇宙播下形成尘埃、小行星、行星和生命成分所需的化学元素。