Astronomy & Astrophysics

Volume 651 (July 2021)

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Rosetta mission full comet phase results

First science highlights from SRG/eROSITA

Parker Solar Probe: Ushering a new frontier in space exploration

Letters to the Editor

Free Access

First detection of a disk free of volatile elements around a young A-type star: A possible sign of collisions between rocky planets L11

Published online: 21 July 2021

Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

Galactic structure, stellar clusters and populations

Variable stars in the VVV globular clusters - II. NGC 6441, NGC 6569, NGC 6626 (M 28), NGC 6656 (M 22), 2MASS-GC 02, and Terzan 10 A47

Published online: 12 July 2021

Interstellar and circumstellar matter

Stellar structure and evolution

ATOMIUM: The astounding complexity of the near circumstellar environment of the M-type AGB star R Hydrae - I. Morpho-kinematical interpretation of CO and SiO emission A82

Published online: 20 July 2021

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Open Access

Molecular composition of short-period comets from millimetre-wave spectroscopy: 21P/Giacobini-Zinner, 38P/Stephan-Oterma, 41P/Tuttle-Giacobini-Kresák, and 64P/Swift-Gehrels A25

Published online: 06 July 2021

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes