Rate the following argument fragment on its writing, argument, and language skills:
Evidence: Each pixel in the 2001 image spans 1.56 meters, com[ared to 43 meters per pixel in the best 1976 viking photo.

"As a rule of thumb, you can discern thinkgs in a digital image 3 times bigger than the pixel size". In egyptia-style prramids or even small shacks, you could see what they were! There must have been a degree of surprise among mission controllers back at the Jet Proupulsion Lab when the face apperared on their moniters. NASA, a few days later, unveiled the image for all to see. The authors thought it would be a good way to engage the public and attract attention to Mars.

Score: 1