Interstellar Matter Blocks Our View of the Disk of Our

question 78

Multiple Choice

Interstellar matter blocks our view of the disk of our Galaxy

• A) not at all at any wavelength.
• B) more-or-less equally at all wavelengths from radio waves to light waves.
• C) most at radio wavelengths,where hydrogen absorbs radio waves efficiently,and least at optical wavelengths.
• D) more at optical wavelengths,less in the infrared,and not at all at radio wavelengths.

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Secretary of State

A high-ranking official in the government responsible for conducting foreign affairs, and in some states, overseeing the electoral process and maintaining public records.

Gross Returns

The total amount of financial return on an investment before any deductions, such as expenses or taxes.

Rebuttable Presumption

A legal principle assuming certain facts are true until proven otherwise.

Partnership Funds

Resources or capital pooled together by partners in a partnership for the purpose of carrying out the partnership's business activities.