A certain star is 10.9 light-years away. Part A How long would it take a spacecraft traveling 0.900c to reach that star from Earth, as measured b observers on Earth? IVE ΑΣΦ h t=25.01 Submit Previous Answers Request Answer ▾ Part B X Incorrect; Try Again; 3 attempts remaining Submit How long would it take a spacecraft traveling 0.900c to reach that star from Earth, as measured by observers on the spacecraft? ΤΙ ΑΣΦ ? 4 Request Answer years ? years

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