The distance between any point on s wave and the next similar point is the _______
wavelength
Galileo Galilei was perhaps the first person to use a _________ to systematically
study objects in the sky
telescope
Declination is the celestial analogue of _________
latitude
With its smaller mass and size, the _________ at the surface of the moon is about
1/6th of that at the surface of the Earth
gravity
A _________ is a graph of a wavelength of light versus the intensity of light at each
wavelength
spectrum
, Explain the distinction between mass and weight
Mass is a measure of the amount of matter an object has. A given object has the
same mas no matter where it is. The weight force on an object due to gravity. An
object's weight will vary depending on the gravity. In space, astronauts are
weightless, but they still have their mass.
Which number has the same meaning as 8,670?
8.76X10^3
The distance traveled by light in an interval is equal to the speed of light
multiplied by ________
the time
The procedure of writing numbers as a decimal value between 1 and 10 times 10
raised to an integer power (e.g. 1.2X10^34) is called __________
scientific notation
In space, the velocity of visible light is about _________
astronomical notation