Are Dark Matter and Dark Energy Scientific?

I have noticed that each time I talk about dark energy or dark matter, I get a lot of comments from people saying, oh that stuff doesn’t exist, you can’t just invent something invisible each time there’s an inconvenient measurement. Physicists have totally lost it. This is such a common misunderstanding that I thought I will dedicate a video to sorting this out. Dark energy and dark matter are entirely normal, and perfectly scientific hypotheses. They may turn out to be wrong, but that doesn’t mean it’s wrong to consider them in the first place.

[hoptoads]

In astronomy, DARK is the technical abbreviation for " Don't Actually Really Know ".

[colinfox]

I am in love with this woman !!!! She used the Vulcan greeting.

[eljcd]

Nice video. Explain in a nutshell stuff that gets complicated really fast.
Long life and prosperity to everyone!

[jamesdriscoll]

Good to see you looking well, thank you for another timely and topical video.
- I have "Casandra" in rotation, it's been dark.

[illogicmath]

Your videos make the quarantine more bearable

[tsopmocful]

The old saying applies here: "You know when people know what they're talking about when they can accurately explain complex things in simple terms."

[the_hanged_clown]

really glad I found your channel Ms Hossenfelder, you do such an excellent job of translating the jargon in a way that a simple layman like myself can understand what you're talking about. thank you!

[RobertSmith-pwio]

You always seem to put out a video on the exact same topic I am trying to comprehend at the same time, and so are the best guide to these subjects I could hope for.Please keep it up!

[stp]

What a great start to the morning! Free content coming from the ROH, wonderful Sabine, and a Joe Wicks workout. Thank you Sabine. 🙏🏻

[djbabbotstown]

Another Sabine video and I’m in self isolation. Comfy 😊

[shvnmn]

Thanks! Best summary and analysis of these two subjects I've had so far. Great youtube channel too. Very appreciated.

[tomschmidt]

I really enjoy your posts, great explanation of our current understanding and summary of the many open questions.

[jackwillson]

A physics professor ran through a red light and was stopped by the policeman. He explained to the policeman that because he moved towards the red light, the light would blue shift, so he saw green light. The policeman said: Oh, then you were speeding.

[dennisdonovan]

Yes … “May you live long and prosper” … with or without “dark things” to ponder … 🖖🏽

[felipemonteiro]

Great video as usual, Sabine! Thank you!

[dees]

Such important points I’ve been missing. So glad I found your channel.

[chaitanyasangle]

Thanks for the explanation!
Watching videos from your channel for an hour now, and it's getting more and more interesting 🤠

[jean-philippegarneau]

Thanks for this video. Simple and yet, I get the feeling that complexity is not compromised. (I still wonder though what the « cosmological constant » — or any constant — has to do with « nature », but it’s most likely because of my poor understanding of these matters)

[videoformer]

Thank you Doc Hoss for this new video!

[DwainDwight]

Thanks Sabine. love the common sense approach.