Is the universe really billions of years old?

If it is, how is Mars losing it's atmosphere? Mars does not have a magnetic field and cannot defend itself against solar winds which bombard the planet. Nasa's MAVEN probe found that Mars loses 100 grams of it's atmosphere per second. In addition, during solar flares the rate increases by a factor of... show more If it is, how is Mars losing it's atmosphere? Mars does not have a magnetic field and cannot defend itself against solar winds which bombard the planet. Nasa's MAVEN probe found that Mars loses 100 grams of it's atmosphere per second. In addition, during solar flares the rate increases by a factor of 10. Mars must be a young planet!
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