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ESO/S. Guisard (www.eso.org/~sguisard)

Our August issue is now live!

Read the August issue of Nature Astronomy.

Latest Research

  • Review Article |

    Total solar eclipses are a unique opportunity to study the lower solar corona where the solar wind originates. This review presents the recent advancements in coronal science from eclipses and the scientific and outreach plans for this year's totality.

    • Jay M. Pasachoff
  • Letter |

    M dwarfs harbour stellar dynamos driven by convective motions in their interiors. Previously, the magnetic field strengths generated by these dynamos were thought to saturate at 4 kG, but this limit has now been busted by four stars with dipole dynamo states.

    • D. Shulyak
    • , A. Reiners
    • , A. Engeln
    • , L. Malo
    • , R. Yadav
    • , J. Morin
    •  & O. Kochukhov
  • Letter |

    Venus Express wind measurements at Venus’s cloud top during the night show a different picture than dayside. Both fast and slow motions are detected (there are only fast ones during the day) as well as many stationary waves related to surface relief.

    • J. Peralta
    • , R. Hueso
    • , A. Sánchez-Lavega
    • , Y. J. Lee
    • , A. García Muñoz
    • , T. Kouyama
    • , H. Sagawa
    • , T. M. Sato
    • , G. Piccioni
    • , S. Tellmann
    • , T. Imamura
    •  & T. Satoh
  • Letter |

    Some star clusters in the Large Magellanic Cloud have extended main-sequence turnoffs, suggesting that the component stars have different ages. However, if the blue main-sequence stars were initially spinning rapidly, and experienced braking, the apparent age difference disappears.

    • Francesca D’Antona
    • , Antonino P. Milone
    • , Marco Tailo
    • , Paolo Ventura
    • , Enrico Vesperini
    •  & Marcella Di Criscienzo
  • Letter |

    Most of the Mars Trojans — asteroids co-orbiting the planet — are dynamically related; thus, they have a common origin. Joint information from spectral observations and dynamical modelling suggests that they were ejected from Mars itself after an impact.

    • D. Polishook
    • , S. A. Jacobson
    • , A. Morbidelli
    •  & O. Aharonson

News & Comment

Current Issue

Volume 1 Issue 8

ESO/Stéphane Guisard (www.eso.org/~sguisard)

Volume 1 Issue 8

Star formation in barren and fecund clouds

A pair of neighbouring molecular clouds, Pipe and Ophiuchus, have similar masses and ages yet very different star formation rates, evident from Ophiuchus’s burst of colour due to stellar feedback. The different birth rates had been a mystery until this study looking into the alignment of the clouds’ structure with their magnetic fields.

See Li et al. 1, 0158 (2017).

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