The trouble in trying to make a planet

Credit: ALMA (ESO/NAOJ/NRAO), J. Tobin; NRAO/AUI/NSF, S. Dagnello; Herschel/ESA

One of the things we talk about is planet formation. Or, more importantly, how we really don’t understand planetary formation. Part of the problem is, we only had one example of a solar system for the nearly 400 years between when Galileo started making scientific observations and when 51 Peg was discovered to have a planet in 1995. Four-hundred years is a lot of years during which theorists could theorize about how to…

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Pamela L. Gay, Ph.D.

Astronomer, technologist, & creative focused on using new media to engage people in learning and doing science. Opinions & typos my own.