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Apollo 13 50th Anniversary

The Planetary Society is celebrating the 50th anniversary of Apollo 13, which launched on 11 April 1970. Disaster struck on 13 April, prompting the crew's infamous "Houston, we've had a problem" call for help. Learn what happened, and how NASA got the astronauts home safely on 17 April.

More Apollo resources

The Downlink

Our weekly newsletter is your toolkit to learn more about space, share information with your friends and family, and take direct action to support exploration. Anyone can subscribe at planetary.org/connect.

BepiColombo Earth flyby

Europe and Japan's BepiColombo spacecraft, which launched in 2018, flew by Earth on 10 April and used our planet's gravity to swing towards the inner solar system. Learn more about this mission and why we study Mercury.

More Blogs & Articles

What's up in the solar system, October 2016 edition: ExoMars arrives!

Emily Lakdawalla • October 04, 2016 • 2

ExoMars Trace Gas Orbiter arrives on October 19, and it will deliver the Schiaparelli lander to its brief life on the Martian surface. Juno's headed into its science orbit, MOM has released science data, and New Horizons will finally finish downlinking Pluto flyby data.

A new angle on Mars for Mars Odyssey

Emily Lakdawalla • April 19, 2016 • 4

Mars Odyssey has been in space for 15 years. It flies in a special "sun-synchronous" orbit, crossing the equator at roughly the same local time every day. Over time, the Odyssey mission has changed what that local time of day is, and I just realized something cool about how those changes show up in the geometry of its images.

What's up in solar system exploration: February 2016 edition

Emily Lakdawalla • January 29, 2016 • 2

What's going on with our robotic planetary missions? In February I count more than 20 planetary spacecraft exploring six targets beyond Earth or cruising to new destinations.

Bill Nye and people
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