What ia a unique fact about mars !!
Here are 10 unique and fascinating facts about Mars: 1. Two tiny moons – Mars has two potato-shaped moons, Phobos and Deimos, likely captured asteroids. 2. Longest canyon – Valles Marineris is over 4,000 km long — about 10 times longer than the Grand Canyon. 3. Dust storms can engulf the whole planet – Some last for months and can block sunlight completely. 4. A day is almost Earth-like – One Martian day (sol) is 24 hours and 37 minutes long. 5. Thin atmosphere – Mostly carbon dioxide, which makes it impossible for humans to breathe without gear. 6. Liquid water once flowed there – Ancient riverbeds, lake basins, and minerals suggest Mars once had oceans. 7. The tallest volcano – Olympus Mons is 21.9 km high, the tallest known mountain in the solar system. 8. Blue sunsets – Due to fine dust in the atmosphere, sunsets appear blue instead of red. 9. Freezing cold – Average surface temperature is about -63°C (-81°F). 10. Possible life signs – Methane spikes have been detected,...