Striking a Solar Balance by NASA

submitted by: nasa

A short video by NASA discussing how the solar and thermal energy balance effects climate change and global warming. for more information see: http://www.nasa.gov

Explorer 1 -- JPL and the Beginnings of the Space Age

submitted by: nasa

2007 was a year of scientific suprises and major milestones for JPL missions studying Earth, our solar system and distant galaxies. Part of the NASA Podcast series.

ATV: a very special delivery

submitted by: cristina
Early in 2008, an Ariane 5 rocket blasted off from Europe’s spaceport in French Guiana. The rocked carried the most sophisticated lorry ever built – the European Space Agency’s Automated Transfer Vehicle, the ATV. From its first flight, ATV will play a vital role in International Space Station (ISS) servicing. Every 12 months or so, the ATV will haul 7.5 tonnes of cargo to the ISS, 400 km above the Earth. The video - addressed mostly to the youngsters- tells the story of a very...

ScienceFlash 21 - 7 maart 2008

submitted by: scienceflash

ScienceFlash aflevering 21 met o.a. hoe een file onstaat,
dode spin heeft meer seks, boren op Groenland en nieuwste model vrachtwagen voor op de maan.
Bekijk al onze vorige afleveringen op www.scienceflash.nl!

Earth's Outlook from Above

Fifty years after Sputnik, satellites peering down on Earth have become valuable scientific tools to study the global environment and offer much needed insight into the future of our planet.

Resonance: Radio, Wineglasses, Opera Singers and Cycles

submitted by: RayTomes
Resonance is the quality of transmitting even tiny signals between systems that are tuned to the same frequency. Given that cycles of common period are found pervading many different disciplines, perhaps an explanation may be found in resonance. An example is the 160 minute (and associated 80 minute cycle) cycle, found in biological systems, outer planetary spacings, the rotation rates of planets, asteroids and binary stars, solar oscillation and flux and galactic cores. A cosmic pervading...