'The atmosphere of Venus, the heaviest of any planet, is mainly this common gas 1.5 times heavier than air'
carbon dioxide
GAS: The atmosphere of Venus, the heaviest of any planet, is mainly this common gas 1.5 times heavier than air
The atmosphere of Venus, the heaviest of any planet, is mainly this common gas 1.5 times heavier than air
The atmosphere of Venus, the heaviest of any planet, is mainly this common gas 1.5 times heavier than air
GAS
carbon dioxide
GAS