Phobos Might Only Have 10 Million Years to Live

Source: Universe Today

You can breathe easily. The Moon is slowly receding away from the Earth at a rate of 3.7 cm/year (1.5 in/yr). But the Martians aren't so lucky. Their moon Phobos is known to be doing exactly the opposite. It's spiraling inward, and in the distant future it will crash into the surface of Mars. Researchers originally thought that Phobos has about 50 million years to go, but an Indian researcher has re-run the calculations and thinks Phobos only has about a quarter of that time to live. (read more)