kilometres away using the Deep Space 1 spacecraft of the US National Aeronautics and Space Administration... uniform clouds of dust and gas.The new images, however, contradict those beliefs. Borrelly's 8-km long ……

The amount of desert dust in the Earth’s atmosphere has doubled over the last century, according... sciences at Cornell University, is the first to deal with the change in natural dust around the globe over ……

in the universe and make new discoveries by examining stars inside those dust clouds. It will also take... inside those dust clouds. It will also take a closer look at the atmosphere of some faraway planets ……

The clouds floating across the sky are made of tiny droplets (滴) of water. Dust is made of tiny particles (颗粒) that float in the air. Let's see how dust can help create clouds.You'll needClear soft ……

Try this:Making clouds ……

glade by planting a few trees. The problem is that some of those dust clouds play an important part in soaking up carbon dioxide.Huge dust storms blow out over the oceans from dry parts of North Africa ……

April. It covered many places in thick clouds of yellow dust (尘土), including Qinghai, Heilongjiang and Beijing. The dust even traveled to Shanghai and Jiangsu. Where did such a strong sandstorm come ……

reported.Dust clouds will linger over the Inner Mongolia Autonomous Region, northern parts of Hebei...THE Chinese capital was hit on Monday by the strongest sandstorm so far this year and dust storms ……

stars inside those dust clouds. It will look at the first light after the Big Bang (宇宙大爆炸) created our... discoveries by examining stars inside those dust clouds. It will look at the first light after the Big Bang ……

clouds of dust, hydrogen (氢气), helium (氦气) and other gases. They can be hundreds of light-years... to understand.By now, maybe you are wondering why there are huge clouds in space ……

beautiful interstellar (星际间的) formations that we call nebulae.Nebulae are huge clouds of dust, hydrogen... giant, colorful clouds in space. Like so many things in the universe, the nebulae are formed ……

problems. Smog is air pollution that is mixed up with dust (尘埃), smoke and other dry particles (干粉....This kind of air pollution comes from windblown dust and wildfires. Motor vehicles (机动车), industrial fuel ……

problems. Smog is air pollution that is mixed up with dust (尘埃), smoke and other dry particles (干粉....This kind of air pollution comes from windblown dust and wildfires. Motor vehicles (机动车), industrial fuel ……

. Traditional telescopes cannot see through the freezing clouds of dust and gas that soak up energy before it reaches Earth. However, ALMA can collect tiny waves given off by clouds and enable scientists ……

太空传奇哈勃望远镜即将终结使命？What’s in deep space? To learn about it, we might look at photos of star clouds (星云) and black holes (黑洞). Do you know where these beautiful photos come from? They are from space ……