Caleb Scharf🌎 (@caleb_scharf) 's Twitter Profile
Caleb Scharf🌎

@caleb_scharf

Thinker, writer, sometimes both at the same time. Senior Scientist for Astrobiology @NASAAmes. Personal account, anything expressed here is my fault alone.

ID: 214212539

linkhttp://www.calebscharf.com calendar_today10-11-2010 21:16:22

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Caleb Scharf🌎 (@caleb_scharf) 's Twitter Profile Photo
Caleb Scharf🌎
@caleb_scharf

2 months ago

In 1962 the Ranger 3 spacecraft missed the Moon and instead placed a half-meter diameter wooden sphere into orbit around the Sun, where it likely is to this day. #TheGiantLeap tinyurl.com/29j6bktf

In 1962 the Ranger 3 spacecraft missed the Moon and instead placed a half-meter diameter wooden sphere into orbit around the Sun, where it likely is to this day. #TheGiantLeap tinyurl.com/29j6bktf