2. In a Mars Direct mission, the astronauts would return home in an Earth Return Vehicle (ERV) fueled by methane and oxygen produced from terrestrial hydrogen and Martian CO2 helium-3 extracted from the lunar surface finely-ground Martian rocks accelerated by an electromagnetic mass driver cheap, traditional kerosene fuel brought from Earth We might go back to the Moon someday to mine the lunar surface for an energy resource called methane antimatter hydrazene helium-3
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
2. In a Mars Direct mission, the astronauts would return home in an Earth Return Vehicle (ERV) fueled by
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methane and oxygen produced from terrestrial hydrogen and Martian CO2 |
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helium-3 extracted from the lunar surface |
||
|
finely-ground Martian rocks accelerated by an |
||
|
cheap, traditional kerosene fuel brought from Earth |
-
We might go back to the Moon someday to mine the lunar surface for an energy resource called
methane
antimatter
hydrazene
helium-3
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