There are a lot of unknowns in space but here are my top 10 unanswered questions. Go to [ Ссылка ] and sign up for free. The first 200 people that go to that link will get 20% off the annual premium subscription.

Here's my top 10 in no particular order, let me know in the comments if you think I've missed anything!

1. What’s inside a black hole?
2. What’s the Universe expanding into?
3. What is dark energy?
4. What’s dark matter made of?
5. Where is all the antimatter?
6. What happened in the first 10^-43 seconds of the Universe?
7. What came first: the galaxy or the black hole?
8. What causes fast radio bursts?
9. Why does the Sun’s magnetic field flip?*
10. Does life exist on other planets?

* See pinned comment below on possible explanation of this due to planetary alignments. Note this is still a hypothesis, not an accepted theory so this question still remains on my list.


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The artwork in the background is a scientifically accurate map showing the orbits of more than 18000 asteroids in the Solar System, created by Eleanor Lutz. Find out more and buy one here: [ Ссылка ]

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🔭 Royal Astronomical Society podcast that I’m co-hosting 😱 🥳- podfollow.com/supermassive

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and Deep Sky Videos: [ Ссылка ]

👩🏽‍💻 Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.

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