Italian astronaut on space station sets new mission duration record by a woman. European Space Agency astronaut Samantha Cristoforetti enjoys another sunrise aboard the International Space Station. On June 6, she set a mission duration record for women in space.
Chemist for uranium nuclear fuels. A substance would only burn in a vacuum if it contained an oxidizer. There has to be an oxidizer for there to be fire. That doesn't mean that it requires oxygen, just a substance that facilitates the removal of electrons. 1 person found this useful.
What a gas cooking appliance's flames should look like will depend on whether it is burning natural gas or propane (LP). You can see examples of each below. When burning natural gas, the burner flames should be almost completely blue with possibly a small hint of yellow in the center of the flame as seen in figure A above.