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The Countdown

The Countdown

What’s happening in space, right now!

The Countdown, Episode 4: Cave-Dwelling Astronauts, Two-Star Solar System, Voyager on The Edge, Millions of Quasars, New Mars Mission

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Story 5

Astronauts from five different space agencies are participating in the CAVES project, an underground training exercise beneath the island of Sardinia.

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Astronauts Heading Deep Underground for Spaceflight Training

Story 4

Scientists have discovered a two-star solar system orbited by two planets, an astronomical first.

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Two Alien Planets Found with Twin Suns Like 'Star Wars'' Tatooine

Story 3

Voyager 1, which launched 35 years ago, was thought to be approaching the edge of our solar system. New evidence suggests it may have farther to go.

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NASA’s Voyager 1 Spacecraft May Not Be Near Edge of Solar System after All

Story 2

Data from the Wide-field Infrared Survey (WISE) has revealed millions of star-munching black holes.

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NASA Spacecraft's Census Tallies Millions of Black Holes

Story 1

NASA has announced a new Mars mission that is bound to disappoint some space fans. Looking to cut costs, the agency chose another lander mission over more adventurous, but risky options.

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NASA Unveils New Mars Mission to Probe Red Planet's Core

The views expressed are those of the author and are not necessarily those of Scientific American.

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