

Марс называют красной планетой.
Mars is called the red planet.
Почему Марс красный?
Why is Mars red?
Мой сын мечтает полететь на Марс.
My son dreams of flying to Mars.
"Марс" is in the lesson "Space" (Level 25), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.