Astronomers observe unobscured X-rays generated in active galactic nuclei

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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What observations demonstrate the existence of an interstellar medium?

What will be an ideal response?

Physics & Space Science

Water is good for putting out fires because it has a very high latent heat of vaporization

Indicate whether the statement is true or false

Physics & Space Science

If the Sun and stars are supported by gas pressure, what supports a white dwarf?

What will be an ideal response?

Physics & Space Science

In 1987, the best refrigerator being sold used 515 kWh/yr and the average used 979 kWh/yr. How much money would have been saved on your electric bill between then and 2000 by buying the more efficient one?

What will be an ideal response?

Physics & Space Science