What Strategies and Electromagnetic Frequencies Are Thought to Be the MOST

question 29

Multiple Choice

What strategies and electromagnetic frequencies are thought to be the MOST logical for long-range communication across the universe with other intelligent beings?

• A) explosion of nuclear devices at specific intervals and in specific patterns across Earth when we are closest to a nearby star
• B) night-by-night photography of nearby stars at hydrogen Balmer wavelengths
• C) continuous radio and microwave listening and transmitting at frequencies at which the natural radio sky noise background is low
• D) X-ray surveys of space at appropriate times (e.g., when Earth is closest to nearby stars in its orbit), in view of the penetrability of space at these wavelengths

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Definitions:

General Ledger

The primary accounting record of a company that contains all the account balances needed to prepare financial statements.

Accounts Payable

Liabilities owed by a business to its suppliers or vendors for goods and services received but not yet paid for.

General Ledger

A comprehensive set of accounts that records all financial transactions of a business, organized by account.

Subsidiary Ledger

A subsidiary ledger is a detailed ledger that contains account-specific information, supporting and connected to the general ledger for a comprehensive accounting system.