RESEARCH

“The roots of education are bitter, but the fruit is sweet.”

– Aristotle

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Kindly Note: All links open in a new window.

• America Space

• AnyFlip

• Apollo Lunar Surface Journal

• Atomic Rockets

• Bigelow Aerospace

• Braeunig
• Circumlunar Free Return Profile
• Lunar Orbit Profile

• Centauri Dreams

• DSFP's Spaceflight History

• Encyclopedia Astronautica

• Hempsell Astronautics

• I Love PDFs

• LEO Calculator

• NASA Watch

• Reaction Engines, Ltd.

• Shuttle Development

• Space Adventures, Ltd.

• Space Launch Report

• Space Review

• Space.com

• SpaceNews: AFRL – SABRE

• Spaceport America

• Space X

• Spudis Lunar Resources

• S.T.E.M. For the Classroom

• Sun Tzu

• xkcd

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