Results 1 to 5 of 5
Like Tree17Likes
  • 10 Post By not_Fritz_Argelander
  • 4 Post By ProfEclipse
  • 3 Post By Gabby76

Thread: a nightmare scenario for the IAU planet definition

  1. #1
    not_Fritz_Argelander's Avatar
    not_Fritz_Argelander is online now dep asst Grand Moff
    Points: 113,093, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 99.5%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!750 Days+ Registered Achievement!First 1000 Experience Points
    Awards:
    Most Threads Award
    Join Date
    Jul 2011
    Location
    US
    Posts
    12,916
    Points
    113,093
    Level
    100
    Thanks
    6,218
    Thanked 31,834x 9,798 Posts
    Blog Entries
    26
    Downloads
    0
    Uploads
    0

    Wink a nightmare scenario for the IAU planet definition



    EPs: KK "Fujiyama" Orthoscopics; Baader Classic Orthos (2x); Vixen NPLs 40-6mm (2x); Pseudo Masuyamas (Takahashi, Kasai, Parks, Orion) 50-5mm; TV Panoptics; TV Delos 17.3-8mm; TV Plössls 32-8mm; ES100 20, 14, 9mm; Meade HD-60 25mm; Vixen LV Zoom 8-24mm; Baader Mk IV Zoom 8-24mm (2x); Gary Russell 65mm Plossl; GSO WF 50, 30mm; random Kellners.
    Scopes: Ref: Baader Vario 60f4, Orion 70f4, Orion ST80f5, SV ED80Af7; Newt: AT200f4, OC200f6.3, Z12 300f5; Cat: VMC110L 110f9.4, Intes MK66 150f12, ES MN152f4.8.

  2. The Following 7 Users Say Thank You to not_Fritz_Argelander For This Useful Post:

    bladekeeper (07-05-2017),Gabby76 (07-05-2017),helicon64 (07-06-2017),Mark Moyer (07-05-2017),michael131313 (07-07-2017),pikaia (07-06-2017),ProfEclipse (07-05-2017)

  3. #2
    ProfEclipse's Avatar
    ProfEclipse is offline SUPER GIANT
    Points: 8,028, Level: 62
    Level completed: 60%, Points required for next Level: 122
    Overall activity: 48.0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!50 Posts Achievement!200+ Posts Achievement!400+ Posts Achievement
    Join Date
    Feb 2017
    Location
    Apopka, FL
    Posts
    1,450
    Points
    8,028
    Level
    62
    Thanks
    1,622
    Thanked 363x 331 Posts
    Downloads
    0
    Uploads
    0

    Default Re: a nightmare scenario for the IAU planet definition

    Serves them right for demoting Pluto.
    Dave Hunt
    Scope: Celestron C6-N
    Mount: Celestron AVX
    Camera: ASI1600MM-cool,SSAG,Canon 1100D (T3)

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

  4. #3
    Gabby76's Avatar
    Gabby76 is offline Moderator
    Points: 49,240, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 99.7%
    Achievements:
    2 Posts Achievement20 Posts Achievement!Gallery Achievement!Album Achievement!50 Posts Achievement!
    Awards:
    Hyperactive Geek - Silver 2rst place for Activity!
    Join Date
    Jan 2016
    Location
    Live: Slovakia Work: Canada
    Posts
    11,386
    Points
    49,240
    Level
    100
    Thanks
    2,059
    Thanked 3,498x 3,000 Posts
    Blog Entries
    3
    Downloads
    2
    Uploads
    0

    Default Re: a nightmare scenario for the IAU planet definition

    Poor Mr. Beelzebrown, first his "hypothetical Planet X" takes a hit and now this. Beautiful!
    Refractors: Antares 105 f/15, Bresser 102 f/13.2, Celestron 102 f/6.5, 150 f/8, Stellarvue 80 f/6.9, TS 102 f/11, Vixen 115 f/7.7
    Mounts: Celestron SLT, Manfrotto 055Pro, Celestron CG-5/ Argo Navis, Vixen SXP Binoculars: Celestron, Vixen
    Eyepieces: A-Z

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

  5. #4
    ThinkerX's Avatar
    ThinkerX is offline Bright Giants
    Points: 6,223, Level: 54
    Level completed: 37%, Points required for next Level: 127
    Overall activity: 0%
    Achievements:
    2 Posts Achievement3 Years + Achievement1000 Days+ Registered Achievement!750 Days+ Registered Achievement!365 Days+ Registered Achievement!
    Join Date
    Feb 2013
    Location
    Alaska
    Posts
    428
    Points
    6,223
    Level
    54
    Thanks
    23
    Thanked 882x 326 Posts
    Downloads
    0
    Uploads
    0

    Default Re: a nightmare scenario for the IAU planet definition

    Hmmm...perhaps that alphabetical size classification scheme I posted here ages would be better than IAU's definitions...

  6. #5
    not_Fritz_Argelander's Avatar
    not_Fritz_Argelander is online now dep asst Grand Moff
    Points: 113,093, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 99.5%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!750 Days+ Registered Achievement!First 1000 Experience Points
    Awards:
    Most Threads Award
    Join Date
    Jul 2011
    Location
    US
    Posts
    12,916
    Points
    113,093
    Level
    100
    Thanks
    6,218
    Thanked 31,834x 9,798 Posts
    Blog Entries
    26
    Downloads
    0
    Uploads
    0

    Default Re: a nightmare scenario for the IAU planet definition

    Quote Originally Posted by ThinkerX View Post
    Hmmm...perhaps that alphabetical size classification scheme I posted here ages would be better than IAU's definitions...
    Size has the same disadvantages as "orbiting a star" and "clearing its orbit". It's only geometric and not based on intrinsic physical properties.

    Here's a better definition described
    https://phys.org/news/2017-02-geophy...efinition.html
    EPs: KK "Fujiyama" Orthoscopics; Baader Classic Orthos (2x); Vixen NPLs 40-6mm (2x); Pseudo Masuyamas (Takahashi, Kasai, Parks, Orion) 50-5mm; TV Panoptics; TV Delos 17.3-8mm; TV Plössls 32-8mm; ES100 20, 14, 9mm; Meade HD-60 25mm; Vixen LV Zoom 8-24mm; Baader Mk IV Zoom 8-24mm (2x); Gary Russell 65mm Plossl; GSO WF 50, 30mm; random Kellners.
    Scopes: Ref: Baader Vario 60f4, Orion 70f4, Orion ST80f5, SV ED80Af7; Newt: AT200f4, OC200f6.3, Z12 300f5; Cat: VMC110L 110f9.4, Intes MK66 150f12, ES MN152f4.8.

 

 

Similar Threads

  1. Why I am satisfied with the new IAU definition of planet
    By Greg Crinklaw in forum Amateur Astronomy Forum
    Replies: 26
    Last Post: 09-11-2006, 12:15 AM
  2. IAU's new planet definition
    By JackPeters in forum Amateur Astronomy Forum
    Replies: 12
    Last Post: 09-05-2006, 05:27 PM
  3. Planet Definition Questions
    By Richard Jarnagin in forum Amateur Astronomy Forum
    Replies: 3
    Last Post: 08-27-2006, 12:50 AM
  4. Definition of a planet
    By steve in forum Amateur Astronomy Forum
    Replies: 151
    Last Post: 07-02-2006, 05:36 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBulletin® Version 4.2.0
Powered by vBulletin®
All times are GMT. The time now is 08:32 AM.