Communication in space

 Kia Ora,

Today, I'm going to answer some of the questions about things that I've learnt about space/Mars.

Here are the questions:

What are some ways we communicate on Earth? 

1. How do these forms of communication work, what do they rely on or use?

2. Why can nobody hear you shout in space?

3. Is radio communication instant? Why/Why not?

4. What does this mean for a space mission from Earth to Mars?

5. Could there be a way in the future to instantly end a message to someone on another planet?

Here are my answers:

1. Some ways that we use to communicate with each other are gadgets. Such as Phone/Telephone, Radio, Television, Internet/Social Media and etc. How the television works is:

   There are three parts of the television inventions. The first one is the TV camera, it helps to turn a picture and a sound into a signal, there is also a TV transmitter, it sends the signal through the air. A TV receiver is set in your home, it captures the signal and it turns back to a picture and a sound.

2. When you talk or shout, you need air or water to travel your voice through, but in space there is no air, so sound has nothing to travel through. The sound wouldn’t even leave your mouth. 

3. Radio is one way that you can communicate.

4. Which means that they should use code, people who travel to space usually use Hexadecimal code to communicate with each other. 

5. It’s possible that there will be a way in the future to instantly send a message to someone on another planet, but NASA would have to find a way to do that. 

That's all for today, I hope you learn something new. I'll see you all next time, bye.