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Ultimate cosmology quiz


BrainForce

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Not enough. What kind of nebula?

:phones:

 

the meaning of the word nebula originally meant "cloud", so in astronomy it got used as a term for galaxies, clusters and then there is the more conventional nebula (emmion and reflection) is that what you mean by type :cup:

 

Enceladus, has albedo of 99% :cup: its distance to Neptune is: 3.07billion km

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:hammer:

 

the meaning of the word nebula originally meant "cloud", so in astronomy it got used as a term for galaxies, clusters and then there is the more conventional nebula (emmion and reflection) is that what you mean by type :doh:

 

Enceladus, has albedo of 99% :doh: its distance to Neptune is: 3.07billion km

:doh: Jay qu u still haven't got the question rightly,i haven't asked for the distance between encladus and neptune but the distance between planet of encladus and the neptune.

For the nebula question i think its' an emission nebula (a diffused one).:doh:

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You're no Alex Trebec, my friend.

 

I'm sorry, you didn't phrase that in the form of a question. The correct answer to "You are not like this person." Would have been "Who is Alex Trebec?" Again, "Who is Alex Trebec?"

 

JayQu, you now control the board.

 

You answer was "Albedo refers to this property of an object."

 

What is reflectivity?

 

The difference between a Type I and Type II supernova is this...

 

TFS

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The difference between a Type I and Type II supernova is this...

One tends to be juvenile onset and categorized as genetic whereby the other tends to be adult onset and categorized as resulting from behavior?

 

Ba da bum... again.

 

 

Type 1 has shows no Hydrogen in it's spectrum, Type 2 does.

 

 

How long does light take to travel from the sun to Pluto when Pluto is closest to it (at perihelion)?

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the distance at perihelion is 2,756,915,000 miles (29.6583407 AU)

At 185,000 mps, light would reach Pluto in 1409.24324 seconds or 248.370207 minutes, or 4.13951201 hours.

4hours 8 min 22.24324324324324324324 seconds

Well, I'll give it to you for effort... Here's what I came up with (~2 min, 10 sec different...plus, you are supposed to do these quizzes w/o aid of google or searches)... ;)

 

 

Distance at perihelion: 4,435,000,000 km

Speed of light: 299,792,458 m/s

 

Time it takes light to reach Pluto from Sun when pluto is closest:

 

14794 seconds, or...

246.57 minutes, or...

 

4 hours, 6 minutes, 34 seconds.

 

 

Now,

 

What is the aphelion distance for Eris?

97.56 AU, or 14,594,768,265 km ... as answered by BrainForce.

 

 

Who asked:

What type of Nebula is Crab Nebula M1 ?Classify it further.

...and received response from cwes:

Specifically it is a Supernova remnant. It would thus be an emission type nebula. Is this enough or are you seeking further?

 

Pending confirmation/feedback. :shade:

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