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Why is there more matter than antimatter? Gravitational waves may help us find the answer

Why is there more matter than antimatter? Gravitational waves may help us find the answer

by Abbé Whitford | May 5, 2025 | Daily Paper Summaries

In today’s astrobite, we talk about how gravitational waves could provide insight on particle physics, events in the early Universe, and even matter and antimatter asymmetry.

Cosmology From the Mouth of the Dragon

Cosmology From the Mouth of the Dragon

by Cole Meldorf | Apr 30, 2025 | Daily Paper Summaries

In this Astrobite, the authors steal a valuable set of jewels from the Dragon Arc’s hoard: strongly-lensed standard candle stars!

Extreme AGN feedback: Could X-ray observations restore trust in our cosmological model?

Extreme AGN feedback: Could X-ray observations restore trust in our cosmological model?

by Guest | Apr 24, 2025 | Daily Paper Summaries

Today’s bite questions whether active galactic nuclei could be having a more extreme impact on their environment than previously thought, and the consequences this would have for cosmology.

Is the sigma-8 tension being sheared away? Cosmology with weak lensing from KiDS

Is the sigma-8 tension being sheared away? Cosmology with weak lensing from KiDS

by Abbé Whitford | Apr 3, 2025 | Daily Paper Summaries

Today’s bite looks at the final data release from the Kilo-Degree Survey, reporting a measurement of the clumpiness of the Universe as measured by weak gravitational lensing.

Less than meets the eye: measuring the bias in galaxy cluster observations

Less than meets the eye: measuring the bias in galaxy cluster observations

by Margaret Verrico | Mar 29, 2025 | Daily Paper Summaries, PRJ

Today’s authors come up with a new way to account for foreground and background galaxies in galaxy cluster measurements.

Engineering Our Universe with String Theory

Engineering Our Universe with String Theory

by Guest | Mar 18, 2025 | Daily Paper Summaries

Guest author Sean McBride guides us through the landscape of string theory…but is it actually a swamp?

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