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Mission Control
Answers Your Questions

From: Kirby Runyon, of Spring Arbor, Mich.
To: Jeff Hanley, flight director

Question: At what altitude does the shuttle begin to "feel" the effects -- rapid deceleration and heating -- of re-entry?

Answer: Entry Interface (EI), the point at which atmospheric effects begin to become noticeable, is at an altitude of approximately 400,000 feet (~75 miles).

View a list of answered questions or ask MCC your own question.

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 01/22/2003
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