Tag Archive for: supernova

Dark Energy Part 3: Fitting the SCP Union 2.1 Supernova Data
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In Part 1 of this 3-part series, I explained kinematics in Einstien-deSitter (EdS) cosmology and in Part 2, I explained kinematics in ##\Lambda##CDM cosmology…

Supernova Refsdal: Multiply-Imaged Supernova Guide
Supernova (SN) Refsdal — Key PointsAstronomers have been trying to understand space for thousands of years.
Supernova Refsdal was the first known…

Dark Energy Part 1: Einstein-deSitter Cosmology
In this 3-part series, I want to motivate the (re)introduction of the cosmological constant ##\Lambda## into Einstein's equations of general relativity…

Learn About Neutrino Masses and Speed
It was hard to miss the 2011 OPERA neutrino speed measurement that indicated superluminal neutrino speeds (and turned out to be a measurement error), but…

Star Death Explained: White Dwarfs to Black Holes
Stellar death outcomes depend on the star's initial mass: stars below roughly 8 solar masses end as white dwarfs, while more massive stars undergo core…
