How Do We Know That There Are Intergalactic Clouds Between

question 69

Multiple Choice

How do we know that there are intergalactic clouds between a distant quasar and us?

• A)We see hydrogen emission lines at redshifts smaller than that of the quasar.
• B)We see hydrogen absorption lines at redshifts smaller than that of the quasar.
• C)We see hydrogen emission lines at redshifts greater than that of the quasar.
• D)We see hydrogen absorption lines at redshifts greater than that of the quasar.
• E)We see that the emission lines from the quasar are lessened by intervening gas and dust.

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Definitions:

Familiar Stimuli

Environmental cues or objects that are recognized due to previous exposure or experience.

Novel Stimuli

New or unfamiliar stimuli that attract attention due to their difference from the usual environment.

Non Romantic Settings

Environments or contexts not associated with or conducive to love or romance, often focusing on platonic or professional interactions.

Good Looks

The physical attractiveness of an individual, often based on societal standards of beauty and aesthetic appeal.