The year 2025 puts us one quarter of the way through the 21st century. We'll spend the year looking back at some of the amazing advances we've experienced. In this episode: privatized space travel.
Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.
Jan. 23, marks a day of remembrance for NASA and the Astronauts Memorial Foundation. The solemn ceremony pays tribute to the lives lost in three of the most tragic moments in NASA's history.
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