> 3. According to the article, at least one submillimeter telescope was important. But submillimeter is infrared, isn't it? I thought infrared was blocked by du

> 3. According to the article, at least one submillimeter telescope was important. But submillimeter is infrared, isn't it? I thought infrared was blocked by dust, and if there's one thing there's a lot of at the centre of the galaxy, it's dust? It's the opposite actually! Infrared light is able to go through dust. > Another reason [to look at the universe in the infrared] is because stars and planets form in clouds of gas and dust, and this dust obscures our view. Infrared light penetrates these clouds and allows us to see inside. https://www.nasa.gov/content/goddard/webb-conversations-its-all-about-infrared-why-build-the-james-webb-space-telescope https://www.nasa.gov/content/goddard/webb-conversations-its-...