![Balloon Archives on X: "Here is an important one!! There are multiple types of #balloons: -Gas🎈: lift provided by a lighter-than-air gas, in general hydrogen or helium. -Hot air🎈: lift provided by Balloon Archives on X: "Here is an important one!! There are multiple types of #balloons: -Gas🎈: lift provided by a lighter-than-air gas, in general hydrogen or helium. -Hot air🎈: lift provided by](https://pbs.twimg.com/media/ErW-BeNXEAEBTDw.jpg)
Balloon Archives on X: "Here is an important one!! There are multiple types of #balloons: -Gas🎈: lift provided by a lighter-than-air gas, in general hydrogen or helium. -Hot air🎈: lift provided by
![science based - Is there dense, non flammable gas that I can cover the Earth in? - Worldbuilding Stack Exchange science based - Is there dense, non flammable gas that I can cover the Earth in? - Worldbuilding Stack Exchange](https://i.stack.imgur.com/JNYy7.png)
science based - Is there dense, non flammable gas that I can cover the Earth in? - Worldbuilding Stack Exchange
![Aerostatic Machine based on a lighter than air gas filled balloon with sails and boat slung underneath circa 1700 Stock Photo - Alamy Aerostatic Machine based on a lighter than air gas filled balloon with sails and boat slung underneath circa 1700 Stock Photo - Alamy](https://c8.alamy.com/comp/DRFAT5/aerostatic-machine-based-on-a-lighter-than-air-gas-filled-balloon-DRFAT5.jpg)
Aerostatic Machine based on a lighter than air gas filled balloon with sails and boat slung underneath circa 1700 Stock Photo - Alamy
![Nigeria Liquefied Petroleum Gas Association on X: "Natural gas, specifically methane, is less dense than carbon dioxide, so it's technically lighter than air. Source: Quora #AmazingGasFacts #NLPGA #Gas #LPG https://t.co/dP3tYJLTSe" / X Nigeria Liquefied Petroleum Gas Association on X: "Natural gas, specifically methane, is less dense than carbon dioxide, so it's technically lighter than air. Source: Quora #AmazingGasFacts #NLPGA #Gas #LPG https://t.co/dP3tYJLTSe" / X](https://pbs.twimg.com/media/EjYjCYrXgAIvOHe.jpg)