Although neither the constitution nor federal law prohibits non-citizens from serving on the US Supreme Court, it's unlikely the President would ever nominate a non-citizen to the Court or that the Senate would approve such a nomination. In practice, yes, you would undoubtedly have to be a citizen.
No, you do not have to be born in the US to be eligible to serve as a Supreme Court Justice. The Constitution only requires that a Justice be a citizen of the United States.
they serve for life.
9 years
Until they retire.
8 years i think
Bruce Benson has written: 'To serve and protect' -- subject(s): Administration of Criminal justice, Citizen participation, Contracting out, Corrections, Crime prevention, Criminal justice, Administration of, Police, Privatization
As long has he or she wishes until his or her death.
Supreme justices serve "during good behavior," which means "for life" unless the justice commits an offense that results in impeachment and conviction. There are no constitutional requirements listed for justices, but for practical purposes, the person must be a US citizen and must meet whatever qualifications the President and Senate believe are essential to serving on the bench.
A citizen has the duty to vote and to serve on juries.
A justice on the supreme court serves a life term.
When they're no longer capable of executing their duty as Supreme Court Justice. As long as they're capable of adequately performing their duties, they have no limit to how long they may serve.
There's no limit; they are lifetime appointments. They can retire if they wish, or they can hang on until they die.