# data[].attributes.body
You would need a lot of money.

# data[].attributes.body
You would have to find people to have as a crew, and some people might not want to go.

# data[].attributes.body
It is dangerous

# data[].attributes.body
It would be very difficult to make a spaceship capable of travelling to Mars and coming back. This is clear since it has never been done before.

# data[].attributes.body
People can't survive on Mars without help, so if they were stuck there for a while, supplies could run out, providing difficulties.

# data[].attributes.body
There is a lot of radiation on Mars, making it hard for people to explore it.

# data[].attributes.body
It would take a very long time, nine months one-way, and 21 months round trip. In this time, anything could go wrong.

# data[].attributes.body
You could not land safely.

# data[].attributes.body
Mars has a shortage of oxeygen, so people can't breathe.

# data[].attributes.body
Living on Mars would require a lot of changes to be made to everyday life, and many people would not be up for that, making it difficult to find crew members, like a pilot. Without a pilot, the ship would not be able to fly to Mars, marking the mission as unsuccessful.

# data[].attributes.body
In space, there is a lot of things floatin around. When travelling in space, you can never guarantee a smooth flight. This means that there is always a chance of damage to the rocket from things like micrometeorites.

# data[].attributes.body
The mission would take a lot of effort to prepare for.