Scientists send aliens a bold new message

Is this sensible? A new project will send a long message out into space. Its goal is to contact aliens in space.  What's happening?  Scientists are sending a message into space. They hope aliens will be able to read it.  Find out more The message is called the Beacon in the Galaxy.  It contains photos of humans. There is information about life on Earth. It explains where Earth is in space. The Beacon in the Galaxy has a message for aliens: if you get this, please reply.  Some people are excited. But some people think it might be dangerous. Is this sensible? Some say Yes! There are probably lots of aliens. It would be great to talk to them. They will not attack us if we send them a friendly message.  Others think  No. It could be dangerous. The message will act like an invitation to aliens to come and do what they like on Earth. They might invade. We should be more careful.  KeywordsGalaxy - A system of millions or billions of stars, gas and dust, held together by gravitational attraction.