Flames tend to be spherical in the absence of gravity because there is no gravitational force to create the buoyant convection that lifts hot gases and pulls cooler air in. In microgravity, the flame expands equally in all directions, forming a sphere. This differs from Earth, where gravity pulls denser, cooler air down to the flame, which rises as it heats, resulting in the typical teardrop shape. On Earth, the flame's teardrop shape is due to buoyant convection. Hot, less dense air rises, and
Flames tend to be spherical in the absence of gravity because there i…
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In the absence of gravity, flames appear to be spherical
In the absence of gravity, flames appear to be spherical
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Curious Kids: Where does the oxygen come from in the International Space Station, and why don’t they run out of air?
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Is there oxygen on Mars? Technically yes, but it’s nothing like the amount we have on Earth. So breathing is out of the question. However, there IS a lot of carbon dioxide (CO2) on Mars. Now, a new technology — MOXIE — has proven that we can convert Martian CO2 into oxygen for use by future explorers. NASA engineer Asad Aboobaker tells us more: https://youtu.be/n1viNk1eNnM | NASA - National Aeronautics and Space Administration
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Scientist explains what would actually happen to your body in space without a spacesuit
Scientist explains what would actually happen to your body in s…
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47K views · 266 shares | While we get ready to send our NASA Astronauts farther than ever before, understanding the conditions of deep space is critical to keeping them safe and happy. A change they’ll encounter is a 50-60% increase in radiation. Here’s how we’re preparing for it: https://go.nasa.gov/2UGsVyn | NASA - National Aeronautics and Space Administration | Facebook
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47K views · 266 shares | While we get ready to send our NASA Astro…
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