fact 4

There is only one picture of the earth where it is fully illuminated
Who is the source? NASA
What are their credintials? They study space
What does the source say about the fact? That the "blue marble" is in fact the only picture we have of the earth that is fully illuminated
Do you believe this source? Yes
Why or why not? Because they had convincing fact and credible sources
HOw credible is this source? very credible
http://visibleearth.nasa.gov/view_rec.php?id=2429

Who is the source? NASA earth observitory
What are their credentials? they are the leaders in space research in the united states
What does the source have to say about the fact? that it is correct
How credible is this source? Very credible
Do you believe this source? Yes
Why? because it seems very well researched
http://earthobservatory.nasa.gov/Features/BlueMarble/

Who is the source? NASA
WHat are their cridentials? They are some of hte worlds leading researchers
HOw credible is the source? really credible
What does it have to say about the fact? That it is correct as of now
Do you believe this source? Yes
Why or why not? The argument seems well researched