Latest Donald Pettit Stories

Drinking Coffee In Space
2013-07-15 12:26:22

[Watch the video: The Zero Gravity Coffee Cup] Lee Rannals for redOrbit.com - Your Universe Online Scientists are conducting experiments aboard the International Space Station (ISS) to better understand how coffee behaves in microgravity. On Earth, liquid coffee depends on gravity for its brewing process. Hot water drips onto fresh grinds, which strips the oil from the beans to create the cup of joe you rely on for that early-morning pick-me-up. Without gravity, however, brewing a...

2013-04-25 11:20:25

NASA astronaut Don Pettit will conduct three live video chats Thursday, April 25, with 12 student teams whose science experiments won an agency-sponsored contest. Pettit, a veteran of one space shuttle mission and two long-duration expeditions aboard the International Space Station, is known for his "Science off the Sphere" videos, which he recorded while conducting experiments in the microgravity environment aboard the space station. He will speak from Houston via NASA's Digital Learning...

What’s That Smell? Space of Course!
2012-07-23 14:53:15

Lee Rannals for redOrbit.com - Your Universe Online While most of us on Earth are more curious about what it´s like working in an environment without gravity, a new curious element of the abyss has risen up.  What is that smell? As astronauts return from spacewalks, they enter the airlock, remove their helmets, and are overwhelmed by a peculiar smell. According to the account of a few astronauts who have experienced this, space apparently smells.  The aroma space...

2012-06-04 11:19:51

Students at Junction Avenue K-8 School in Livermore, Calif., will speak with Expedition 31 flight engineers Don Pettit, Joseph Acaba and André Kuipers aboard the International Space Station at 12:30 p.m. EDT on Wednesday, June 6. Media representatives are invited to attend. Elementary and middle school students will ask Pettit, Acaba and Kuipers questions about life, work and research aboard the orbiting space station. The event will be broadcast live on NASA Television and...

2012-05-04 13:39:48

Expedition 31 Flight Engineer Don Pettit of NASA has taught more than half a million internet viewers how microgravity affects scientific principles by using everyday objects on the International Space Station. In the latest video, Pettit takes his demonstrations to the next level by using sound to oscillate water placed on a speaker and letting the droplets fly. The investigation is part of "Science off the Sphere," a video series featuring experiments of Pettit's own design intended to...

Word of the Day
  • To stammer.
  • Present participle of maffle, to stammer.
  • A simpleton.
The word 'maffle' may come from a Dutch word meaning 'to move the jaws' or a French word meaning 'having large cheeks'.