The _________________ hypothesis includes mergers with smaller galaxies and infalling gas to the standard formation of the Milky Way galaxy
Fill in the blank(s) with correct word
bottom-up
Physics & Space Science
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The overall dimming of starlight by interstellar matter is called:
A) extinction. B) reddening. C) absorption. D) emission. E) scattering.
Physics & Space Science
The number of waves passing the observer per second is
A) the wavelength in angstroms. B) the amplitude in nm. C) the frequency in Hertz. D) the period in seconds. E) the energy in milliwatts.
Physics & Space Science
If the ground-level air temperature is 20°C, what is the air temperature at the top of the troposphere (16 km), assuming a normal lapse rate?
Physics & Space Science
A boson has half integral spin
Indicate whether the statement is true or false
Physics & Space Science