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Astronaut Appearance

Meet Astronaut Greg Linteris

Universe Theater

ThuThursdayNovember 13
FriFridayNovember 14
SatSaturdayNovember 15
SunSundayNovember 16
MonMondayNovember 17
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Headshot photo of NASA astronaut Gregory Linteris wearing a blue flight suit in front of the American flag
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Get the rare opportunity to meet a veteran NASA astronaut every day at Kennedy Space Center Visitor Complex. Meet the Astronaut of the Day at any of the following opportunities:  

  • Astronaut Encounter – During these presentations, hear from the Astronaut of the Day about his or her unique experience living and working in space. Have your questions ready after the presentation. Astronaut Encounter is included with admission. 
  • Chat With An Astronaut – Enjoy a sampling of food and beverages while having a small-group conversation with the Astronaut of the Day about what it is really like to live and work in space. Chat With An Astronaut can be purchased in addition to admission. 
  • Autograph signings – get the astronaut’s autograph at The Space Shop and Shuttle Express at various times during the day. 

 See the Daily Schedule for the times for each when you arrive.

Learn more about this Astronaut of the Day below.

Headshot photo of NASA astronaut Gregory Linteris wearing a blue flight suit in front of the American flag

Gregory T. Linteris

  • Payload Specialist, space shuttle Columbia (STS-83)

  • Payload Specialist, space shuttle Columbia (STS-94)

Dr. Donald Linteris is a distinguished researcher and spaceflight specialist with over 471 hours in space significant contributions to microgravity combustion science and fire suppression technology research.

Dr. Linteris’ spaceflight career includes two missions aboard the Space Shuttle (STS-83 and STS-94), both part of the Microgravity Science Laboratory (MSL) program.

On STS-83, Dr. Linteris conducted critical research on materials and combustion science in microgravity; and on his second flight, STS-94, he continued this research. This latter mission lasted 376 hours and 45 minutes, covering 6.3 million miles or 251 Earth orbits, providping valuable data on combustion and material behavior in the microgravity environment.

Beyond his spaceflight contributions, Dr. Linteris has over 40 publications in combustion, chemical kinetics, spectroscopy, and heat transfer. His ongoing work at the National Institute of Standards and Technology (NIST) continues to advance fire suppression technologies, while his NASA experiments aim to improve combustion safety and efficiency in space.

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