The Doppler effect. By measuring the Doppler shift, scientists can determine the direction and speed of movement.
Doppler effect. This effect causes the wavelengths of light from a star to appear shorter (blueshifted) as it moves towards the Earth and longer (redshifted) as it moves away, providing valuable information about the star's motion in space.
The Inuit, who historically lived in the Arctic regions of North America, did not develop a distinctive culture oriented toward the water due to their focus on surviving in harsh, icy environments rather than coastal or riverine settings.
The event that most likely had the greatest impact on shaping Cabeza de Vaca's attitude toward Native Americans was his experience of being enslaved for several years by various Native American tribes. This experience forced him to live among and observe their customs, cultures, and social structures, leading him to develop a more nuanced and empathetic understanding of their way of life. It also likely influenced his later advocacy for more humane treatment of Native Americans by the Spanish colonizers.
The Shoshones had a positive attitude towards the Lewis and Clark expedition as they were able to establish friendly relations and trade with them for much-needed supplies such as horses. The expedition also helped the Shoshones by assisting in resolving conflicts with rival tribes.
The Mandan people were generally welcoming to the Lewis and Clark expedition, providing them with essential supplies and guidance during their winter stay in 1804-1805. The expedition's interactions with the Mandan tribe were generally positive and helped facilitate peaceful relations between the two groups.
Cieza de LeΓ³n's posture towards the Inca Empire was generally respectful and appreciative. He admired the Inca's organizational skills, infrastructure, and administration of their vast empire. Cieza appreciated the Inca's ability to govern such a large territory efficiently and maintain social order through their hierarchical structure.
redshift is what happens when visible light gets longer in wavelength, thus shifting toward the red end of the spectrum of visible light. This is a phenomenon that occurs when the light source is moving away from the observer.
polar creep
He noted that light emitted from stars is shifted further toward the red of the electromagnetic spectrum . From this he concluded that the universe was expanding.
If a star is moving towards Earth. The light is seen as 'blue shifted'. As we look at our sun, on the colour spectrum, black lines appear. When looking at distant stars, we can tell if they are moving away from us (Red shift) or getting closer to us (Blue shift). This is because the black lines shift to the red or blue end of the spectrum depending on which direction the star is travelling.
Up.
This phenomenon is called red shift.
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That they were receeding
regression toward the mean
Described areas of agreement and disagreement (also apex)
The redshift that scientists speak of in stars, indicating that they are moving away, is complemented by a shift toward the blue in the spectrum by light moving toward a viewer.
The Doppler Effect.