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theory

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Relevance of magnetic dissipation on star formation

Magnetic fields are a crucial part of star formation. Read on whether and how the magnetic field strength dissipates during the early collapsing phase.

Are Carbon-Rich Planets Just an Observational Bias?

The recent discoveries of alien worlds seemingly rich in carbon reveal a lot of diverse information about the history and further evolutionary paths of exoplanets. However, a correct physical understanding of the investigated systems is crucial for getting the most out of incoming data and is an area of very active research. Therefore, the theoretical modeling of exoplanetary systems must be advanced to a state which includes the long-term evolution of the distribution of detectable molecular species in the planet forming environment.

The Radio Burp from Dark Matter’s Lunch?

Dark matter, neutron stars, black holes, and an extremely exotic explanation for Fast Radio Bursts.

Orderly disorder: Simulations of planet-disk dynamics with AREPO

Only the combined effort of observational and theoretical methods can really bring us to a more thorough understanding of the Universe throughout all spatial scales. The authors of today’s paper use and adapt the moving-mesh fluid mechanics code AREPO to function with protoplanetary disks and test its imprint on the potential of planets to open up gaps in the surrounding gas.

Pair-Instability Supernovae: What might they look like?

How do the most massive stars explode? A new model of massive stars predicts new observational evidence.

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?

Peeling apart a neutron star

Neutron stars can provide insights into extreme and exotic states of matter.

How does structure grow? Understanding the Meszaros effect

Explore an astrophysical classic describing the effect of the Universe’s expansion on the seeds of galaxies.

Growth of structure tells us how normal and dark matter scatter

What can the growth of structure in the Universe tell us about how regular matter and dark matter scatter? The authors develop a simple framework and get model-independent constraints; read on for the answer.

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