X-Ray Telescopes Are Located in Orbit Around the Earth Because

question 69

Multiple Choice

X-ray telescopes are located in orbit around the Earth because:

• A)X-ray telescopes on Earth would have to be too big.
• B)X-ray telescopes are cheap and easy to launch into space.
• C)there are too many X-ray telescopes on Earth, so now they are put in space.
• D)X-rays don't reach the surface of Earth.
• E)the X-rays that come out of the telescopes are dangerous to humans.

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Definitions:

Call Option

A fiscal arrangement that permits the owner to optionally buy a stock, bond, commodity, or another asset at a pre-specified price within a certain period, without being obliged to do so.

Specified Price

A designated price set for the execution of a transaction in securities, contracts, or a commercial agreement.

Options Contract

A financial agreement granting the buyer the opportunity, but not the obligation, to buy or sell an asset at a specific price on or before a certain date.

Forward Contract

A personalized agreement between two individuals to purchase or sell a property at a designated future time at a price determined currently.