What two elements constitute the overwhelming majority of any given nebula?
Answer
Hydrogen and Helium
Nebulae are fundamentally composed of hydrogen gas, making up roughly 74% of the elemental mass, followed by helium at approximately 24%.
Related Questions
What two elements constitute the overwhelming majority of any given nebula?Why are regions undergoing star formation frequently termed 'star nurseries'?What specific class of stellar remnant is responsible for seeding the interstellar medium with elements heavier than iron?What is the approximate upper limit for elements fused and expelled by stars that eventually form planetary nebulae?What percentage of the mass of the interstellar medium is typically accounted for by interstellar dust?Where must the silicate and carbon dust particles observed in nebulae have formed?In the coldest, darkest nebular regions classified as Molecular Clouds, what state is hydrogen primarily found in?What condition characterizes hydrogen in H II Regions, and what is required to sustain this state?How does the presence of dust grains impact the measurable abundance of certain elements in the gas phase of dense clouds?What observational technique utilizes narrow filters to isolate light emitted by specific atomic transitions, revealing the distribution of trace elements?