89. Mailing list to discuss the local void solution to the Hubble tension

Guest post by Indranil Banik

I have set up a mailing list to discuss the idea that we are living in a large local void and that this solves the Hubble tension, as discussed here:

The mailing list is for anyone who wants to stay updated about related work, even if they are not working on this hypothesis or related topics. The idea is that if someone wants to advertise an upcoming talk or an article they have recently posted but they are at an early career stage and do not know everyone who might be interested, they can just send an email to the mailing list. Also if some discussions between more senior researchers take place through this list, then any early career researchers signed up to it will be included in the conversation – even if nobody thought explicitly to include them in the conversation. Regardless of whether you are signed up, you can send an email to the mailing list and everyone on it should receive the message. Note this mailing list is of course also for people who want to share their thoughts on why the Hubble tension cannot be solved with a local void. Alternative solutions can be discussed briefly, but obviously this is not the ideal place to have detailed discussions about alternative proposals for the Hubble tension.

The email address is:
localvoidworkers@gmail.com

Please contact Dr Indranil Banik if you want to sign up to this mailing list and thus receive the emails sent to it. He will be in charge of sending an invitation link which you need to accept in order to complete the sign up:

indranilbanik1992@gmail.com

Any request to join this list would take only a little time and you would not be asked for any reasons for why you want to sign up, so just write to the above address and join now! Please do not send join requests to the localvoidworkers address as this will go to everyone on the list. It is meant primarily for astronomers working on related topics, but people who are just interested to follow along with the discussions are welcome as well. There are some journalists and members of the public on the similar mondworkers mailing list, and that is totally fine.

Most likely, this list would not be used all that often for a while, and slowly catch on as more people know about it. Obviously it is not suitable for a great many emails as the sender might only want specific people to see it rather than the whole mailing list. But there are times when people want their email to gain extra visibility, and that is what this is about.

Please advertise this to especially early career researchers, it is intended for sharing adverts for upcoming talks, notifying others of articles and blogs, and discussing research ideas you want to share. In general, it is for anything you want to share with everyone on the list, including asking for advice on articles and research ideas, if you are happy for everyone to know about it.

You can of course be removed from the mailing list if you ask. Thank you to those of you who have already signed up.


In The Dark Matter Crisis by Elena Asencio, Moritz Haslbauer and Pavel Kroupa. A listing of contents of all contributions is available here.

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