The Sloan Digital Sky Survey Uses

question 43

Multiple Choice

The Sloan Digital Sky Survey uses:

• A)a single space-based telescope.
• B)a single Earth-based telescope.
• C)an array of Earth-based telescopes.
• D)several widely distributed Earth-based telescopes.
• E)several space-based telescopes.

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Definitions:

Visible Light

The portion of the electromagnetic spectrum that is visible to the human eye, ranging approximately from 380 to 750 nanometers in wavelength.

Photons

Elementary particles of light and all other forms of electromagnetic radiation, with both particle and wave-like properties.

Charge Differential

The difference in electrical potential that drives the flow of current in a circuit, essential in charging systems.

Dielectric

A material that does not conduct electricity but can support an electrostatic field, often used as an insulating layer in electronics.