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Naily [24]
3 years ago
9

How do we find binary stars in the night sky?

Geography
2 answers:
Kipish [7]3 years ago
7 0

Answer:

Explanation:

It is also possible to detect binary stars using a spectroscope. If two stars are orbiting each other they will both produce a spectrum. If the stars are close to being the same brightness it is possible to see different spectral lines from both stars

Novosadov [1.4K]3 years ago
3 0

Spectroscopic Binary
It is also possible to detect binary stars using a spectroscope. If two stars are orbiting each other they will both produce a spectrum. If the stars are close to being the same brightness it is possible to see different spectral lines from both stars.
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Central and South America — List and describe a specific example of an ocean or river and how it was a barrier and/or roadway.
Vilka [71]
The Amazon River in South America served as a significant roadway through the centuries. For instance, the river allowed Orellana, a Spanish explorer in the 1500s, to spread Christianity to Amazon inhabitants. Explorers were able to travel up the entire river and return by the same route, which emphasizes the practicality of it as a travel method. Additionally, naturalists on these expeditions spread ideas through their findings on the Amazon. In conclusion, the Amazon River provided an effective path that encouraged the spread of global knowledge and beliefs.
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The attraction of seawater to submarine features like seamounts and oceanic ridges is due to ________; it results in areas where
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Answer:

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Explanation:

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The Precambrian history of Earth is difficult to determine for all of the following reasons except Select one: o a. Precambrian
Irina18 [472]

Answer:

The Precambrian history of Earth is difficult to determine for all of the following reasons except e. There are few useful index fossils in the Precambrian record .

Explanation:

Precambrian history

Precambrian history is difficult to study as there are relatively low  Precambrian fossils and most of the  Precambrian rocks have metamorphosed and ,

there are few useful index fossils in Precambrian record as it is well known the evolution of life on earth was not very predominant in Precambrian time.

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What country does the western half of new guinea belong to?
Vinvika [58]

Answer:

Papua New Guinea

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