On the concept art pictured in this link, we see a very sleek looking ship that would supposedly be powered by antimatter.
What is the large disk present on the side of what appears to be the second stage division of the craft?
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Sign up to join this communityOn the concept art pictured in this link, we see a very sleek looking ship that would supposedly be powered by antimatter.
What is the large disk present on the side of what appears to be the second stage division of the craft?
That looks like a simplified drawing of a standard parabolic radio antenna. Presumably pointed 'down' because the ship will be flying away from Earth.
Image produced for NASA's Exploration Office, Johnson Space Center (JSC) by John Frassanito and Associates