5 ms·
How complete is it?
by brink 4y ago
How complete is it?
- dmbche 4y agoNeat! Does someone know why there is a band of white/blue galaxies between the redshifted ones and the edge of the universe? I would've assumed it kept getting redder!
- nonfamous 4y agoThose are quasars (which are why they are bluer). Beyond a certain distance galaxies become undetectable, but quasars are much brighter.
- dylan604 4y agoaccording to the map itself, about 90°
- nuccy 4y agoActually we cannot see far (other galaxies, early galaxies, quasars) in some parts of the sky because we are in our own galaxy plane [1], so stars, but mostly gas and dust between them obscure significant portion of our field of view [2]. So it is not flat 90 degrees, but roughly two cones with 90 degrees openings in Milky way's plane perpendicular directions. 1. https://scitechdaily.com/gaia-spacecraft-discovers-parts-of-the-milky-way-are-much-older-than-thought/ https://scitechdaily.com/gaia-spacecraft-discovers-parts-of-... 2. https://www.darkenergysurvey.org/supporting-science/large-scale-structure/ https://www.darkenergysurvey.org/supporting-science/large-sc...
- dylan604 4y agoIn a few more millennia, our arm of the Milky Way will spin around so that we are able to the other side. We should be able to get some decent parallax measurements to distant objects at that time as well.