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Astrobiology

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Illustration of Cassini's death

BLAZE OF GLORY  Cassini burned up like a comet above Saturn’s cloud tops just before 5 a.m. PDT on September 15. This artist’s illustration shows what it may have looked like.

Titan

TOUGH INGREDIENTS Saturn’s moon Titan is frigid and lacks water, but it appears to hold one building block for a proposed alternative form of life.

illustration of exomoons

EXOMOONS AHOY  Moons like the ones in this illustration could be a haven for life outside the solar system.

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