As with our own Sun among the neighboring stars, most galaxies in the Local Group are smaller and dimmer than our own Milky Way

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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Uranus and Neptune appear blue or blue-green because

a. their atmospheres absorb blue light very efficiently. b. their solid air-less surfaces are this color c. their surfaces are covered with liquid water with no atmosphere d. traces of methane in their atmospheres absorb red light very efficiently.

Physics & Space Science

The Moon is constantly falling toward Earth

Indicate whether the statement is true or false

Physics & Space Science

For general projectile motion with no air resistance, the vertical component of a projectile's acceleration

A) is always zero. B) remains a non-zero constant. C) continuously increases. D) continuously decreases. E) first decreases and then increases.

Physics & Space Science

If the absolute value of the magnification is larger than one, then the image is

A) larger than the object. B) the same size as the object. C) smaller than the object.

Physics & Space Science