@museumofscience: Did you know there are stars orbiting a black hole at the center of the Milky Way? 🌌 Astrophysicist @Prof. Erika Hamden tells us about this star cluster that lives around Sagittarius A* and what it teaches us about the black hole. Scientists have been tracking these stars for decades, watching them complete full orbits. Those orbits are actually how we know the black hole is there, and researchers use them to measure its mass and pin down its exact location. #Space #Astronomy #Science #STEM #BlackHole This project is part of IF/THEN®, an initiative of Lyda Hill Philanthropies.

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Saturday 18 July 2026 13:19:53 GMT

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Comments

tmikk :

Wonder what their speed is if we can track a complete orbit in ten years. Dope.

2026-07-19 14:55:01

3

Daniel Christ :

Does this not look like an atom? Am I tweaking?

2026-07-20 00:55:33

19

Meevs 🏳️‍⚧️ :

I kept waiting for a Twilight edit to start 😭

2026-07-18 14:21:09

6

100battles :

So much happening out there! 👏

2026-07-18 14:59:28

7

PRIESTT :

I heard S2 Star takes 16 years to orbit Sag A* Star, is that true??

2026-07-25 00:32:41

5

aidanisafein :

Homa😳pdw l

2026-07-19 21:18:45

2

brianmcdaid60 :

nice. thank you for this it's pretty to see the dip into the bell and jet out. I'll find a graphic that shows the math. there is a surface implied.

2026-07-21 15:06:13

1

Peter King :

Partially related: do you know anything about Hooke’s chimney telescope, used to first prove some stars moved?

2026-07-19 05:40:04

1

Mike K :

With them being so close to that gravity well, how is time affected? Like if we see one orbit in say 4 earth years, how long does that take if you were there?

2026-07-18 17:48:30

1

Eric! :

I always wondered how they calculate the mass

2026-07-20 11:38:43

1

Big Girl Games - G7 :

I think I’m coming to hear you lecture on Wednesday! Please say the AZPM event is you 🥰

2026-07-18 17:41:18

0

ScienceyTron :

Pretty awesome 👏

2026-07-20 23:27:34

2

Zitterbart Escher Bach :

I cannot watch it. A machine can watch it collect data, have the data be compiled by another machine, and then have that new compiled data projected onto an interface as electrons. My eyes will then perceive those electrons as futons, and my visual cortex will create an image. Y’all need to get really specific with how you’re teaching this science less people actually believe the illusion delusion.

2026-07-21 11:39:51

0

Defnoteriiin :

Your in stem btw

2026-09-20 18:53:46

0

Bright Sol :

🌞

2026-07-21 17:21:50

1

Gorrilla510 :

🥰🥰🥰

2026-07-18 20:40:49

1

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