It is not impossible to send humans to Mars, but it is a very challenging task. There are many obstacles that need to be overcome before a manned mission to Mars can be successful.
Some of the challenges include:
The distance
Mars is about 140 million miles from Earth, which means it would take a spacecraft about 6 months to travel there. This is a long time for astronauts to be in space, and they would need to be well-protected from the harsh environment of space.
The radiation
Mars is not protected by a strong magnetic field like Earth, so astronauts would be exposed to a lot of radiation during the journey. This radiation could damage their DNA and increase their risk of cancer.
The gravity
Mars’ gravity is about 38% of Earth’s gravity, which means that astronauts would lose muscle and bone mass during their stay on Mars. This could make it difficult for them to return to Earth safely.
The atmosphere
Mars’ atmosphere is very thin, so there is no oxygen to breathe and the temperature is very cold. Astronauts would need to wear protective suits and bring their own oxygen and food.
The landing
Landing on Mars is a very difficult task, and there have been several failed attempts. Astronauts would need to land safely and avoid damaging their spacecraft.
Despite these challenges, there are many people who believe that sending humans to Mars is possible. NASA and other space agencies are working on developing the technologies that will make it possible, and there are several private companies that are also interested in sending humans to Mars. It is likely that a manned mission to Mars will happen in the next few decades.