Image: https://cdn.whensthebirthday.com/gallery/2017/1/carl-sagan/contacto-de-carl-sagan-conectando-con.jpg
Carl Sagan
professions.scientist de Estados Unidos
Image: https://cdn.whensthebirthday.com/gallery/2017/1/carl-sagan/contacto-de-carl-sagan-conectando-con.jpg
professions.scientist de Estados Unidos