We Are Not Yet Capable of Detecting Life on Planets

question 67

Multiple Choice

We are not yet capable of detecting life on planets around other stars.But as our technology develops,our first real chance of detecting such life will probably come from

• A)sending spacecraft to study the planets up close.
• B)examining spectral lines from the atmospheres of distant planets.
• C)examining high-resolution images of the planets made by orbiting telescopes.
• D)determining the orbital properties of the planets.

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Definitions:

Clearinghouse

Established by exchanges to facilitate transfer of securities resulting from trades. For options and futures contracts, the clearinghouse may interpose itself as a middleman between two traders.

Taxation

The process whereby authorities impose financial charges on individuals or legal entities, which can have implications for investment decisions.

Futures Trading

Involves buying and selling futures contracts which are agreements to buy or sell an asset at a future date for a price that is decided now.

Cumulative Year-End

Refers to the aggregate total of something such as earnings or dividends at the end of a fiscal year.