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 Explained
Supernova (SN) Refsdal — Key PointsAstronomers have been trying to understand space for thousands of years.
Supernova Refsdal was the first…

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 Fate: From Nebulae to White Dwarfs and Black Holes
Star Fate: From Birth to Black Holes
Stars form in vast clouds of gas and dust called nebulae. Over time gravity pulls material together until the core…
