First Comet Encounter (201009100007HQ)
Size:
1735px × 1152px
Photo credit: ©
NG Images / Alamy / Afripics
License:
Licensed
Model Released:
No
Keywords:
.,
..,
astronomy,
comet,
dr.,
farquar,
green,
james,
nasa,
newseum,
planetary,
robert,
science,
space,
symposium,
washington