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Gravitational waves and the need for fast galaxy surveys

In the next few years, gravitational wave detectors are expected to start finding mergers of compact objects. But their resolution is limited to large areas of the sky. Fast galaxy surveys are needed to aid in the task of locating the source more precisely, but how fast can they go?

Planet Formation on a Budget

There does not seem to be enough mass in protoplanetary disks to build the planetary systems we’ve detected. The solution: planet formation might start sooner than previously thought.

Cold Brown Dwarfs

Y dwarfs are the coolest end of the stellar classification scheme, and studying these often cloudy objects comes with plenty of challenges.

Dust gets interesting

Thought dust could only bore you? Think again: it may obscure our view of time’s very beginning!

Gamma Ray Bursts vs. All Life on Earth

Asteroids and volcanoes are familiar harbingers of global doom. But what about Gamma Ray Bursts? Is another doomsday lurking?

Tipping the Spherical Cow: The Initial Conditions of Star Formation

Spherical cows have a long and storied history in physics, but does this type of crude approximation lead to realistic conclusions in the case of star formation? The combination of large- and small- scale simulations tests this idea.

Spinning pair-instability supernovae

How does a massive star’s rotation affect the properties of its eventual explosion?

MUSEing on positive feedback

Direct observational evidence for positive feedback from the interaction of outbursts from active black holes and the surrounding medium has been lacking so far, until now…

The Boundaries of the Supercluster

Our local “basin of attraction” is the region containing all the galaxies that would contract to a single point, if we were to neglect the dominant expansion. The authors define this region as our home supercluster, Laniakea.

Measuring Galaxy Star Formation

How well do the current methods of measuring the star formation rate of galaxies match then known star formation rate in simulations?

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