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The whole sentence goes like this:

"At its center, the sun has a density of over a hundred times that of water, and a temperature of 10-20 million degrees Celsius."

But I don't get this part: ''the sun has a density of over a hundred times THAT of water'

Please use your grammatical knowledge to help me analyze the structure. Thanks in advance!!!

"At its center, the sun has a density of over a hundred times that of water, and a temperature of 10-20 million degrees Celsius."

But I don't get this part: ''the sun has a density of over a hundred times THAT of water'

Please use your grammatical knowledge to help me analyze the structure. Thanks in advance!!!

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Comments

the sun has a density of over a hundred times the density of water

CalifJimBut don't you think there's something lacking, since we got two ..er... stuff (one is the sun and the other is water) to compare? For instance, we gotta put a comparative and 'than' between 'times' and 'the density? I am puzzled.

jeff_999At its center, the sun hasa density{of over a hundred times that of water}Here 'over' means the same as 'more than'

This sentence can be paraphrased as;

At its center, the sun hasa density{that is more than a hundred times that of water}Mathematically expressed;

At its center, the sun hasa density{ that is (>100)X(the density of water)}paco

paco2004So there are a variety of ways to show the same relationship.

The height of this fence is greater than the height of the rose bush.

The height of this fence is greater than that of the rose bush.

The height of this fence is four times (more than / greater than) the height of the rose bush.

The height of this fence is four times (more than / greater than) that of the rose bush.

The choices in parentheses can be omitted, and they usually are.

CalifJimI thought this author uses "times" in the sense like that in "Tow

timesthree is six". And the number is 'more than a hundred', instead of 'two'. Was I wrong?paco

paco2004You're not wrong.

2 x 3 = 6

'two' times 'three' is 'six'

'six' is 'two' times 'three'

'the density of X' is 'one hundred' times 'the density of Y'

'the density of X' is 'more than one hundred' times 'the density of Y'

Your objection is that we don't normally say things like "Two times more than three is six", I presume? Well, yes, that's rather unidiomatic, but it means that, doesn't it? Well, I thought that's what it meant, anyway! If there are three pieces of cake on the table, and six people come for cake, we need two times more (pieces of cake) than the number we already have (three) in order to feed everybody, or "We need two times more than three".

If seven people came for cake, we would need "more than two times more than three"!

Too twisted? Next time I get this question, I'll try to explain it more simply, OK?

CJ

CalifJimThat's exactly what I thought!

This expression is not easy as pie to get quickly. ^_^

Anyway thank you a lot!

paco

paco2004Got it!!!!!!!!!! Thank you Moderator, really appreciate.

jeff_999