NASA has a huge media library, full of images, sounds and videos, that you can access and use for free.
NASA has occasionally offered one small part video and images to the public, but recently, brought your entire library to your disposal, through the by clicking hereher There you can search by a term, just like you do on Google.
For example, a search for Pluto returns 543 different results, including a large number of images, nineteen videos, and nine archives audio. Most results also include a short description with each video, photo or clip so you know what you're looking at.
If you are looking for something specific, the searching results μπορούν επίσης να μειωθούν κατά έτος. Το παλαιότερο περιεχόμενο που διατίθεται στο site της NASA είναι από το 1920, ενώ το πιο πρόσφατο περιεχόμενο είναι από το έτος του διανύουμε. Ένα ρυθμιστικό σάς επιτρέπει να επιλέξετε το επιθυμητό παράθυρο χρόνου για την αναζήτησή σας ή μπορείτε να το αφήσετε ευρύ ανοιχτό για να δείτε όλο το υλικό που έχει η NASA.
The best part is that you can use the collection as you wish. There are rules for non-commercial use of NASA multimedia, which according to them content is generally not copyrighted. You may use this material for educational or informational purposes, including collections of photographs, textbooks, public exhibits, computer simulations, and Internet Web sites. This general license extends to personal websites.
If you want to use the content commercially it is not so easy and requires contacting NASA Multimedia Division in Washington DC.
