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A star is moving away

The spectrum of a distant star contains sodium wine that are offset from the normal position as shown what is the most likely
1. 1 answer
2. 40 views
An astronomer see a star that is very far away but still very bright. What can she conclude about the star?The star must be very
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2. asked by Oscar
3. 1,933 views
We observe an absorption line of Oxygen at 504 nm in Star A and at 508 nm in Star B. We know in the labthis line has a
1. 1 answer
2. asked by Mark
3. 109 views
The spectrum of a distant star contains sodium lines that are offset from their normal position, as shown. What is the most
1. 1 answer
2. 42 views
3. Red shift is evidence that _______________.* 1 point A star or galaxy is moving toward Earth A star or galaxy is getting
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2. asked by sal fisher
3. 95 views
We observe an absorption line of Oxygen at 504 nm in Star A and at 508 nm in Star B. We know in the labthis line has a
1. 1 answer
2. asked by Mark
3. 97 views
Sadly you have become trapped inside the gravity well of a star of mass M = 6.435×10^30kg. At a distance of r0 = 7.543×10^10m
1. 3 answers
2. asked by Alphonse
3. 593 views
Given the following images, choose the one that most likely represents an O-class star.Star A is a yellow star. Star B is a blue
1. 2 answers
2. asked by Oscar
3. 4,517 views
There is a , which means the star is the sun.Use the spectrum readings from the sun (upper) and a star (lower) to answer the
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2. asked by Nugget
3. 29 views
which of the following can help astronomers detect if a star is part of a binary star systemA. the star varies temperatures near
1. 5 answers
2. asked by ♡school lover♡
3. 3,848 views