omission

Hi

Yes, it is OK to omit a word that doesn't need to be repeated:

- I'm better on science questions than art

If you ever need it, the technical word is ellipsis

Dave

Note: In this case, the planet needs its proper name, with a capital letter, Earth.

dragonrainIs it ok to omit "on" before "earth" in the sentence ...

Using "on" would avoid the interpretation that you are lighter than earth is on Mars, but then that interpretation is unlikely.

Still, it's not bad to get into the habit of avoiding unwanted interpretations because someday you may find that it

Hi

If I knew Steve and Laura, I might wonder, amongst the three of us, which two of us has the strongest mutual attraction. And then it might be useful to put in an extra preposition

If, at any point in the known universe, I wonder if I am heavier than the planet Earth, I'll let you know!

Dave :-)

dave_anonIf, at any point in the known universe, I wonder if I am heavier than the planet Earth, I'll let you know!

I look forward to hearing all about it, Dave.

dave_anon which two of us has the strongest mutual attraction.

It's called the bio-gravity.

dave_anonIf, at any point in the known universe, I wonder if I am heavier than the planet Earth, I'll let you know!

When approaching supermassive black holes of millions of solar masses you may be heavier than the planet Earth. It dep

Hi

I suppose, writing idly, I was thinking of me and Earth in a similar situation. As we both approached the black hole, Earth would still be much heavier

On the other hand, if Earth were to stay where it is, and it is only me hurtling toward the black hole then, yes, I could end up heavier. That's a pretty frightening thought!

Dave

... and, yes, I find Holmes Rolston and Norbert Wiener. Good!

Dave

thanks for your answer, but i don't understand what you mean; whether the sentence is correct or not without "on".

dragonrain whether the sentence is correct or not without "on".

It is correct without "on".

I advise the use of "on" anyway; others have different opinions.

CJ