On a cosmic calendar, in which the history of the universe is compressed into 1 year, when did Kepler and Galileo first discover that we live on a planet in solar system

a) December 17
b)September 3
c) 1 second ago


c) 1 second ago

Physics & Space Science

You might also like to view...

Your temperature is 98.6°F. Assuming your skin is a perfect radiator (? = 1), determine the wavelength corresponding to the largest intensity (in ?m)

a. 8.0 b. 9.3 c. 3.0 d. 5.7 e. 29.4

Physics & Space Science

When electrons fill a subshell in which the orbitals have equal energy, the order in which the orbitals are filled is such that

a. a minimum number of electrons has unpaired spins. b. a minimum number of electrons has intrinsic angular momentum. c. a maximum number of electrons has unpaired spins. d. a maximum number of electrons first fills the next energy level. e. the maximum number of electrons has the same set of quantum numbers.

Physics & Space Science

Power: How much energy does a 100-W light bulb use in 8.0 hours?

A. 0.0080 kWh B. 0.80 kWh C. 13 kWh D. 800 kWh

Physics & Space Science

The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass. An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water. The change in length of the ordinary glass rod will be 3 times the change in length of the Pyrex glass rod

a. True b. False Indicate whether the statement is true or false

Physics & Space Science