Loading Discussion on question by Ask Questions: How do we know the expansion of space is happening "now" and isn't an illusion?
Just a second…

load older messages full transcript highlights

	You must be logged in to talk. See the faq for more information.
		help \| faq \| legal \| privacy policy \| mobile

all rooms

site rooms

Discussion on question by Ask Questions: How do we know the expansion of space is happening "now" and isn't an illusion?

Imported from a comment discussion on astronomy.stackexchange.com/questions/58744/…

expansion

Welcome to the chat! Unfortunately, you have JavaScript disabled, and thus this chat will not work. If you would like to participate, please enable JavaScript in your browser and reload this page.

New feed items

Discussion on question by Ask Questions: How do we know the expansion of space is happening "now" and isn't an illusion?