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…
The Reappearance of Supernova (SN) Refsdal
Supernova (SN) Refsdal Key Points Astronomers 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…
What are the Fates of Massive Stars
Star Fate Key PointsStars are born in primordial nebulae, gaseous molecular clouds on the spiral arms of galaxies
Stars smaller than 1.4 suns…