That is a clip from dont look up. It is a disaster movie senator and meteors striking earth but now science is catching up with art and you are involved in a project called dart revolving around this. Tell me about it. Susan we have seen news reports of the past about meteors striking. What is the difference between an asteroid and meteor . When they get bright in the atmosphere, you can look up and see meteors come in. Some make meteorites, which are the rocks that survive here on the planet. It really depends on the size when talking about objects. A meteor hits the earth once every year, roughly. I got my phd studying meteors. I love them. They are like free samples from space. Its not all bad. There is quite a lot of good about it. Its just when it gets bigger that you can have devastation. So it is important to distinguish between the size and objects sides of objects. Susan how large would an object have to be to cause significant damage . That is an important question. A lot of