Search results for “Messenger supstance”

Mercury's MESSENGER Reveals Mysteries | NASA Planetary Sciences

Explore what makes Mercury so mysterious and what scientists are learning from NASA's first Mercury mission in 30 years. For the MESSENGER mission, NASA launched a probe and guided it toward Mercury using a technique called "solar sailing." The probe is studying the make-up of the planet's inner cor

Regenerative phase of an inflammation

In the regenerative phase, inflammation-resolving messenger substances are released. Macrophages of type M2 dispose of cell and tissue debris. At the same time, other immune cells begin the first repair measures. Author: 3sat/nano/DOCUVISTA Filmproduktion/Marilena Schulte,Maike Wurtscheid/Jörg Beck

ScienceCasts: Views of Home

Cameras on NASA spacecraft have treated us to intriguing and inspiring perspectives of our home planet as they've looked back at Earth from various locales. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

Development phase of an inflammation

If a foreign body penetrates the skin, phagocytes in the damaged tissue are the first to react. So-called M1-type macrophages release pro-inflammatory messenger substances. These include prostaglandins. These hormones trigger a pain stimulus. Author: 3sat/nano/DOCUVISTA Filmproduktion/Marilena Schu

What's Unusual About Mercury? | NASA Planetary Sciences

Discover why Mercury has a tail like a comet, and why its poles are covered in ice despite its close proximity to the Sun. Mercury, the closest planet to the Sun, rotates three times on its axis every two of its years. Despite having temperatures that are hot enough to melt lead, the tilt of the pla