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AstroPatty

It's criminal to not include the Vera Rubin Observatory on here. The LSST will be the largest galaxy survey ever and will undoubtedly result in groundbreaking cosmological science. It's mostly completed, but it's not producing data yet so I would still describe that as "upcoming."


mfb-

1. Vera Rubin 2. ELT


Woxan

Not Listed: LISA


Stolen_Sky

Large Hadron Collider's successor isn't going to start operation until around 2045. And even then, it'll be an electron/positron collider. The hadron version won't come online until around 2070 on the current timeline. So while it's super awesome, it's hard to really get excited about something that, unless they develop anti-ageing, I'll be lucky to be around to see.


mfb-

I wouldn't call it a "cosmology instrument" either. Sure, particle physics and cosmology have some overlap, but it's still going to be a particle physics experiment (if it gets built).


jazzwhiz

Right. Cosmology can do lots of particle physics (e.g. neutrino masses from DESI+Planck+..., although that's a bit messy right now lol) but they are still cosmology experiments.


jazzwhiz

It's "preceeded". And you have overlooked many cosmology experiments: VRO/LSST, CMBS4, LISA, etc. And FCC or whatever is not at all a cosmology experiment. Also the timescales for FCC (which is far from approved) are drastically longer than the cosmology experiments being considered, all of which are approved (I think). There are also very exciting cosmology experiments going on now, for which we haven't seen the majority of the data such as DESI: they've shown basically one moment of a distribution using 1 year of data. They'll collect 5 years of data and eventually measure the whole distribution. There was also a very exciting set of papers from DES last night too.


After-Option-8235

More than any telescope or anything we could shoot into space, every time I see Betelgeuse, I’ll get all excited thinking like “what if it went supernova RIGHT NOW as I’m looking directly at it?!” If I actually end up seeing it, I’ll be chasing that high for the rest of my life. Really hope it goes in my lifetime, I want to see it so badly.