NASA / CXC / GSFC / K. Hamaguchi et al.

Read the September issue

This month we look at the outreach efforts of the National Astronomical Observatory of Japan, as well as cosmic ray acceleration in Eta Carinae (pictured), exoplanetary atmospheres and much more...

Latest Research

  • Letter |

    The identification and dating of ~30 cryovolcanic domes on Ceres from Dawn data shows that cryovolcanism has been continuous on the dwarf planet at least for the last 2.5 Gyr, but not at rates comparable with standard volcanism on terrestrial planets.

    • Michael M. Sori
    • , Hanna G. Sizemore
    • , Shane Byrne
    • , Ali M. Bramson
    • , Michael T. Bland
    • , Nathaniel T. Stein
    •  & Christopher T. Russell
  • Letter |

    Probing the pre-explosion environments of hydrogen-poor superluminous supernovae is important for understanding how they exploded. Here, Lunnan et al. infer the presence of a fast-moving circumstellar shell around iPTF16eh through the detection of a resonance-line light echo, which indicates the massive progenitor experienced pulsational pair instability shell ejections.

    • R. Lunnan
    • , C. Fransson
    • , P. M. Vreeswijk
    • , S. E. Woosley
    • , G. Leloudas
    • , D. A. Perley
    • , R. M. Quimby
    • , Lin Yan
    • , N. Blagorodnova
    • , B. D. Bue
    • , S. B. Cenko
    • , A. De Cia
    • , D. O. Cook
    • , C. U. Fremling
    • , P. Gatkine
    • , A. Gal-Yam
    • , M. M. Kasliwal
    • , S. R. Kulkarni
    • , F. J. Masci
    • , P. E. Nugent
    • , A. Nyholm
    • , A. Rubin
    • , N. Suzuki
    •  & P. Wozniak
  • Letter |

    The mechanisms that sustain turbulence in a molecular cloud are not well understood. Using magnetohydrodynamic simulations, the effects of stellar winds on a cloud are studied, finding that energy can be efficiently transferred in magnetic waves generated by this stellar ‘feedback’.

    • Stella S. R. Offner
    •  & Yue Liu
  • Letter |

    The Patroclus–Menoetius Jupiter Trojan binary could survive its travel from the Kuiper belt to Jupiter’s orbit only if the giant planets’ migrations happened within ~100 Myr after the birth of the Solar System and not after ~700 Myr, as suggested instead by the Late Heavy Bombardment.

    • David Nesvorný
    • , David Vokrouhlický
    • , William F. Bottke
    •  & Harold F. Levison
  • Article |

    The James Webb Space Telescope may detect and distinguish a young galaxy that hosts a direct-collapse black hole and nearby massive metal-free star formation at redshift 15 with as little as a 20,000-second total exposure time across four filters.

    • Kirk S. S. Barrow
    • , Aycin Aykutalp
    •  & John H. Wise
  • Article |

    The shock breakout (SBO) is the first electromagnetic signature of a supernova (SN) explosion. Förster et al. find that in nearly all type II SNe they survey that the SBO occurs on a timescale of days, indicating that the progenitors were surrounded by thick circumstellar matter when they exploded.

    • F. Förster
    • , T. J. Moriya
    • , J. C. Maureira
    • , J. P. Anderson
    • , S. Blinnikov
    • , F. Bufano
    • , G. Cabrera-Vives
    • , A. Clocchiatti
    • , T. de Jaeger
    • , P. A. Estévez
    • , L. Galbany
    • , S. González-Gaitán
    • , G. Gräfener
    • , M. Hamuy
    • , E. Y. Hsiao
    • , P. Huentelemu
    • , P. Huijse
    • , H. Kuncarayakti
    • , J. Martínez
    • , G. Medina
    • , F. Olivares E.
    • , G. Pignata
    • , A. Razza
    • , I. Reyes
    • , J. San Martín
    • , R. C. Smith
    • , E. Vera
    • , A. K. Vivas
    • , A. de Ugarte Postigo
    • , S.-C. Yoon
    • , C. Ashall
    • , M. Fraser
    • , A. Gal-Yam
    • , E. Kankare
    • , L. Le Guillou
    • , P. A. Mazzali
    • , N. A. Walton
    •  & D. R. Young

News & Comment

  • Meeting Report |

    The European Astronomical Society (EAS) awarded its most prestigious prizes during its annual meeting, the European Week of Astronomy and Space Science (EWASS), held in Liverpool from 3 April to 6 April 2018.

    • Georges Meylan
  • Mission Control |

    After 60 years of technological and materials development, in August this year the Parker Solar Probe set off on its journey to skim the atmosphere of the Sun. Mission Scientist Adam Szabo summarizes this ambitious adventure.

    • Adam Szabo
  • Mission Control |

    HaloSat, NASA’s first astrophysics-focused CubeSat mission — the size of a small briefcase — will survey the Milky Way’s halo in order to assess its complement of hot baryons, explains Principal Investigator Philip Kaaret.

    • Philip Kaaret

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