True/False
The emission lines from O III are called forbidden because they cannot occur in laboratories on Earth due to the much greater pressure of the gas on Earth.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q41: How can the coronal gas occupy most
Q42: To an observer on Earth,dust in the
Q43: _ is the most abundant element in
Q44: Atoms of cool hydrogen emit 21-cm radiation
Q45: X-rays come from certain regions of the
Q47: What property of blue light allows it
Q48: Interstellar dust scatters _ light more than
Q49: The term "metastable levels" refers to<br>A) regions
Q51: The pressure of a gas depends on
Q85: Molecular clouds are mapped using CO instead