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Astrophysics

When humans age, environmental factors can play a huge role in our health—the same is apparently true for galaxies.

In cosmology, Buddha strikes again.

Feedback from active galactic nuclei may influence a galaxy’s ability to form stars.

The Summer 2019 issue (vol. 48 no. 3) of Mercury magazine is online for ASP members, featuring everything from black holes, awesome radio telescopes, mind-blowing astrophysical concepts to educational matters.

Despite decades of searching for dark matter, we’ve come up empty handed. So, what is the alternative?

Galaxies live inside dark matter halo “houses”—but there seems to be a lot of empty homes out there.

That’s some cosmic trick, but is it done with mirrors?

Some galaxies are extremely massive, compact and filled with dust—how they became so extreme remains a mystery.

Lunar rocks retain a million-year record of solar energetic particles and galactic cosmic rays.

The collaboration’s first image has given us a glimpse of what the future of event horizon studies may look like.

What’s careening through the galaxy at 2.5 million miles per hour and screaming with gamma-rays?

There are some strange similarities between ultra-faint dwarf galaxies and globular clusters—with dark matter anchoring both.

How supermassive black holes and galaxies evolve together is one of the biggest questions hanging over modern astrophysics.

After decades of wondering, the Event Horizon Telescope has revealed what a black hole really looks like. [Feature excerpt]

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