Meridional flow in the Sun’s convection zone is a single cell in each hemisphere

See allHide authors and affiliations

Science  26 Jun 2020:
Vol. 368, Issue 6498, pp. 1469-1472
DOI: 10.1126/science.aaz7119

You are currently viewing the editor's summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution

The flow of plasma inside the Sun

The activity of the Sun, including the occurrence of sunspots, is driven by magnetic fields that originate from the motion of charged plasma beneath the surface. Helioseismology uses acoustic oscillations to probe the Sun's interior, analogous to seismology's use of earthquakes to investigate Earth's interior. Gizon et al. analyzed helioseismology data from 1996 to 2019, covering two 11-year solar cycles. They measured the latitudinal and radial flow of plasma as a function of depth within the Sun and how it varies with time. The results support magnetic flux-transport dynamo models, which can explain the distribution of sunspots over each solar cycle.

Science, this issue p. 1469

View Full Text

Stay Connected to Science