Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.

Of course Pluto is a planet:
Of course Pluto is a planet:
Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.
Of course Pluto is a planet:
Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.
Of course Pluto is a planet:
Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.
Of course Pluto is a planet:
Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.
Of course Pluto is a planet:
Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.
Of course Pluto is a planet:
Of course Pluto is a planet:
Of course Pluto is a planet:
Of course Pluto is a planet:
Of course Pluto is a planet:
Of course Pluto is a planet:
Alan Stern
Alan Stern

American - Scientist Born: November 22, 1957

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