Windows to the Universe

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years.
NASA

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These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years. NASA

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years. NASA

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years. NASA

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years.
NASA

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years.
NASA

These are images comparing amounts of ozone and ClO between two other years.These are images comparing amounts of ozone and ClO between two other years.
NASA