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How do the motions of the Sun and planets reflect the disk shape of the solar nebula
John F. Kennedy
The 35th President of the United States, known for his leadership during the Cold War era and efforts towards civil rights.
Assassinated
Deliberately killed, usually for political reasons or by sudden or secret attack.
Flashbulb Memory
A highly detailed, exceptionally vivid 'snapshot' of the moment and circumstances in which a piece of surprising and consequential (or emotionally arousing) news was heard.
Space Shuttle Challenger
The NASA space shuttle that tragically broke apart shortly after its launch in 1986 due to a failure in one of its solid rocket boosters.
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