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A Week Down Under, Unifying Theorists and Observers of the High-Redshift Universe

A Week Down Under, Unifying Theorists and Observers of the High-Redshift Universe

by Guest | Nov 8, 2025 | Current Events

Today’s bite comes to your screen direct from the “Exploring the first billion years of the Universe” conference in Australia. Read on to find out what we’ve already discovered about the early Universe, and what’s still to come.

Quasars at Work: My photons come from a land where the accretion disks glow and the X-ray coronas plunder (energy from the disk)

Quasars at Work: My photons come from a land where the accretion disks glow and the X-ray coronas plunder (energy from the disk)

by Chloe Klare | Sep 9, 2025 | Daily Paper Summaries

In this exciting new paper, our authors show that in quasars, X-ray coronas fueled by energy stolen from the accretion disk around the black hole may be responsible for the interesting ultraviolet and optical emission we see!

Zig-zagging across the universe

Zig-zagging across the universe

by William Lamb | Nov 20, 2024 | Daily Paper Summaries

What’s better than a single gravitational lens? A double gravitational lens! Learn about how light from a distant quasar zig-zags across the universe because of the first double gravitational lens to be observed!

Using eROSITA to look at Beautiful AGN Blow-outs

Using eROSITA to look at Beautiful AGN Blow-outs

by Delaney Dunne | Mar 30, 2024 | Daily Paper Summaries

In today’s paper, the authors use eROSITA to assemble a sample of the beautiful blow-outs that can occur in galaxies when AGN turn on.

When the galaxy puts its supermassive black hole on a diet!

When the galaxy puts its supermassive black hole on a diet!

by Sowkhya Shanbhog | Mar 26, 2024 | Daily Paper Summaries

Is the relationship between galaxies and their blackholes symbiotic across time?

Holy Cow! Is our journey through the universe the reason for the Hubble Tension?

Holy Cow! Is our journey through the universe the reason for the Hubble Tension?

by William Lamb | Oct 4, 2023 | Daily Paper Summaries, PRJ

We move through the universe relative to the Cosmic Microwave Background. Could our movement cause our measurements of the Hubble constant to be biased?

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