Answer:
A solar eclipse.
Explanation:
When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth.
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Increasing wavelength is an indication of a Doppler shift caused by an object moving away from the viewer. Longer wavelengths (of the visible spectrum) are redder, shorter wavelengths are bluer. Objects moving away from you have a red shift, objects moving toward you have a blue shift.
D.the strait of Gibraltar
1. Queen Elizabeth ii . . . . . D. Canada's head of state.
2. Congress . . . . . F. The U.S. equivalent to Canada's Parliament.
3. Belize . . . . . E. Central America country settled by the British.
4. Civil War . . . . . B. El Salvador and Nicaragua experienced this for more than a decade.
5. Nicaragua . . . . . C. Up and into the 20th century, only one percent of the population owned land in this country.
6. Representative Democracy . . . . . A. U.S. form of government
A comet is a smaller celestial body orbiting the sun, often with a tail made of debris. Debris from a comet can turn into a meteor, which means that is has entered into Earth's atmosphere and burns due to the friction with the Earth's atmosphere. If a meteor is large enough, it can survive this fall into Earth's atmosphere and strike the Earth, on land this would leave an impact crater, or a collision site where the meteor met the surface. This can also happen in water, but may be difficult to see and may not leave an impact crater. Simply, Comet to Meteor to Impact crater.