Data sets tagged with "nasa"

About A project of NASA and the Internet Archive. From the [About page](http://www.nasaimages.org/About.html): > NASA Images is a service of Internet Archive ( www.archive.org ), a non-profit library, to offer public access to NASA’s images, videos and audio collections. NASA Images is constantly growing with the addition of current media from NASA as well as ...

Eclipses of the Sun can only occur when the Moon is near one of its two orbital nodes 1 during the New Moon phase . It is then possible for the Moon’s penumbral, umbral or antumbral shadows to sweep across Earth’s surface thereby producing an eclipse. The referenced tables summarizes all eclipses over this five millennium period (2000 BCE to 3000 CE) by century. Each ...

Find and compare US federal research spending based on agency, award recipient, funds obligated to date, award title, award date and project director.