What did Wilson and Penzias discover?

What did Wilson and Penzias discover? However, when Arno Penzias and Robert Wilson studied cosmic radiation in 1964, they discovered that microwaves with a wavelength of about 7 centimeters were stronger than expected. This cosmic background radiation probably is a remnant of the Big Bang when the universe was created. Who found CMB? Robert Wilson […]

How did Nat Turner justify his rebellion?

How did Nat Turner justify his rebellion? Nathanial “Nat” Turner (1800-1831) was an enslaved man who led a rebellion of enslaved people on August 21, 1831. Believing in signs and hearing divine voices, Turner was convinced by an eclipse of the sun (1831) that the time to rise up had come, and he enlisted the […]

Which will hit the ground first?

Which will hit the ground first? In other words, if two objects are the same size but one is heavier, the heavier one has greater density than the lighter object. Therefore, when both objects are dropped from the same height and at the same time, the heavier object should hit the ground before the lighter […]

What are 4 main types of precipitation?

What are 4 main types of precipitation? Precipitation (Water Falling from the Sky) There are many different types of precipitation —rain, snow, hail, and sleet for example—yet they all have a few things in common. They all come from clouds. They are all forms of water that fall from the sky. What are the 5 […]

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