this is mars

1. not atmospheric protection from radiation

2. communication with earth delayed by 20 min

3. Massive dust storms

4. Average temperature is around -67°C (-90°F), but it can drop to -125°C (-193°F) at night or rise to 20°C (68°F) during the day.

5. 38% surface gravity creating bone loss and ocular blindness over time

6. Poor fetal development without earths gravity

7. No ability to grow food except via hydroponics and inadequate water for reliable growth

8. Inadequate soil for growth in artificial greenhouse