Answer:
10000 times more data
Explanation:
Data recorded by earlier astronomical CCD's = (pixel× bit/pixel)
160,000×8 = 128,0000
Data recorded by new astronomical CCD= (pixel× bit/pixel)
= 10^9×15= 15×10^9
comparison = 
= 11718.75
Which means nearly 10000 times more data
B... keeping people in line politically
The percentage of the increase of iron is 50% because it increased by 0.6 and that's 50% of 1.2mg
Although the original purpose of construction for the Great Pyramid of Giza is not known, the widely accepted opinion is that the pyramid is believed to be the tomb of King Khufu. (I hope this helps.)