Talk:Vela Supercluster: Difference between revisions

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Text and/or other creative content from Draft:Vela Supercluster was copied or moved into Vela Supercluster on 28 December 2016. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists.

Astronomy: Astronomical objects / Cosmology Start‑class Mid‑importance

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Potential issues?

Hi, this looks like a clusterfuck, so someone with actual physics knowledge please cross-check ...

Text: "The combined dimensions of the walls are __115 km/s Mpc__ on the major dimensions and __90 km/s Mpc__ on the minor ones, which corresponds to about __385 million__ and __300 million__ light years"

Sidebar:

Major axis: __115 Mpc (375 Mly)__ h−1 ~0.676 (Hubble constant based on 2016 Planck data)
Minor axis: __115 Mpc (375 Mly)__ h−1 ~0.676 (Hubble constant based on 2016 Planck data)

There are (at least) three seeming inconsistencies in these two chunks of information:

First, "km/s Mpc" does not seem like a valid unit to me. Pretty sure it should only be Mpc
The conversion to light years is different between the text and the sidebar (one claiming 115Mpc are 385, the other claiming it's 375 light years)
The minor axis in the sidebar does not match the "minor dimensions" in the text (115Mpc vs 90Mpc).

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 {{copied |from= Draft:Vela Supercluster |to= Vela Supercluster |date= 28 December 2016 }}
 {{WikiProject Astronomy|cosmology=yes|object=yes|class=Start|importance=Mid}}
+== Potential issues? ==
+Hi, this looks like a clusterfuck, so someone with actual physics knowledge please cross-check ...
+'''Text:''' "The combined dimensions of the walls are __115 km/s Mpc__ on the major dimensions and __90 km/s Mpc__ on the minor ones, which corresponds to about __385 million__ and __300 million__ light years"
+'''Sidebar:'''
+* Major axis: __115 Mpc (375 Mly)__ h−1 ~0.676 (Hubble constant based on 2016 Planck data)
+* Minor axis: __115 Mpc (375 Mly)__ h−1 ~0.676 (Hubble constant based on 2016 Planck data)
+There are (at least) three seeming inconsistencies in these two chunks of information:
+* First, "km/s Mpc" does not seem like a valid unit to me. Pretty sure it should only be Mpc
+* The conversion to light years is different between the text and the sidebar (one claiming 115Mpc are 385, the other claiming it's 375 light years)
+* The minor axis in the sidebar does not match the "minor dimensions" in the text (115Mpc vs 90Mpc).