Re: Elliptical Galaxies
From: George Dishman (george_at_briar.demon.co.uk)
Date: 11/28/04
- Next message: Thomas Lee Elifritz: "Re: Global Warming & Dying Liberals"
- Previous message: George Dishman: "Re: Elliptical Galaxies"
- In reply to: Greg Neill: "Re: Elliptical Galaxies"
- Next in thread: Greg Neill: "Re: Elliptical Galaxies"
- Reply: Greg Neill: "Re: Elliptical Galaxies"
- Messages sorted by: [ date ] [ thread ]
Date: Sun, 28 Nov 2004 16:58:33 -0000
"Greg Neill" <gneillREM@OVE.THIS.netcom.ca> wrote in message
news:4%mqd.3817$Ad3.90736@news20.bellglobal.com...
> "F de C W" <fegdcw@gmail.com> wrote in message
> news:4852b541.0411280823.43968f7f@posting.google.com...
>> I have this question in one of mu tutorial sheets for Astronomy: HELP!
>>
>> Given that there are 0.1 Ellipticals per Mpc cubed and my garden
>> telescope can reach to 14 mags. How largew an area of sky would I need
>> to survey tp find 100 elliptical galaxies? (assume typical absolute
>> magnitude for an Elliptical galaxy is -21 mags).
>
> What are your thoughts on how to solve it? What have you
> tried?
>
> We'll help you if you can first show an honest effort.
Sorry Greg, our posts crossed. Maybe I gave away
too much.
George
- Next message: Thomas Lee Elifritz: "Re: Global Warming & Dying Liberals"
- Previous message: George Dishman: "Re: Elliptical Galaxies"
- In reply to: Greg Neill: "Re: Elliptical Galaxies"
- Next in thread: Greg Neill: "Re: Elliptical Galaxies"
- Reply: Greg Neill: "Re: Elliptical Galaxies"
- Messages sorted by: [ date ] [ thread ]