Mars

Our milky way galaxy contains o many planets, even it's small or big, list of big planets are mercurius, venus, earth, mars, jupiter, saturn, neptune, uranus. now, about planet mars, mars is the 4th planet from the sun, next to earth. Mars is famous for red-coloured planet and smaller than earth. Mars contain of carbon dioxide, nitrogen, and Argon. Mars have 2 moon, which is Phobos and Deimos. Mars' surfaces mostly are volcanoes, valley desert. Mars' revolution is about 687 days which is 2x more longer than earth's revolution around the sun. The similarity of Mars and Earth are both of them having north and south poles, Mars temperature are cold, but still friendlier than other planet. but, human still have difficulty to live there.
There are many mysteries in Mars, and the most interesting thing in mars is an evidence of water, which is possibility of finding a living things there, and at this time the scientist still exploring the surface, and also ancient sea in Mars, but until now there's no evidence for living things there.
In conclusion, Mars is an interesting planet to explore.