1 “... cosmos, there is or once was a civilization at least as advanced as our own. The sheer enormities...”

2 “... positive feature is sheer portability. Some manufacturers have tried to make large telescopes more portable...”

3 “... – and wondered at the sheer beauty of the sight. It seems almost anachronistic to think of sketching when CCD...”

4 “... and hostile environment while surrounded by hard vacuum and pernicious dust; and the sheer daring...”

5 “...-the danger, the heroism, the sheer adventure we as earthbound observers can imagine when humans are involved...”