text: translate following text into Chinese: 
  Mars is the fourth planet from the sun in our solar system. It is known for its reddish appearance and is often referred to as the "Red Planet." While it is not currently known to support life, there is evidence that it may have had conditions suitable for life in the past, and there are ongoing efforts to explore the planet and determine its habitability. Mars is also a popular target for robotic exploration due to its proximity to Earth and the potential for finding extraterrestrial life.