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Authors: G. Krause.
Astronomy & Astrophysics Vol. 631 , page A68
Published online: 22/10/2019
Keywords: methods: numerical ; magnetohydrodynamics (MHD) ; Sun: atmosphere ; Sun: general.

Authors: A. Miotello, S. Facchini, E. F. van Dishoeck, P. Cazzoletti, L. Testi, J. P. Williams, M. Ansdell, S. van Terwisga and N. van der Marel.
Astronomy & Astrophysics Vol. 631 , page A69
Published online: 22/10/2019
Keywords: protoplanetary discs ; astrochemistry ; methods: observational ; submillimeter: planetary systems ; ISM: molecules ; radiative transfer.

Authors: R. Cesaroni.
Astronomy & Astrophysics Vol. 631 , page A65
Published online: 22/10/2019
Keywords: radiation mechanisms: thermal ; radiative transfer ; methods: analytical ; dust, extinction ; radio continuum: ISM.

Authors: J. Krtička, J. Janík, I. Krtičková, S. Mereghetti, F. Pintore, P. Németh, J. Kubát and M. Vučković.
Astronomy & Astrophysics Vol. 631 , page A75
Published online: 22/10/2019
Keywords: stars: winds ; outflows ; stars: mass-loss ; stars: early-type ; subdwarfs ; X-rays: binaries.

After making history at the space station, NASA astronauts Christina Koch and Jessica Meir discuss landing on the moon.

When the UAE president announced that his country would make a satellite to study Mars' atmosphere in unparalleled detail, he set an unprecedented goal for the Arab world.

X-ray images of Tycho’s supernova remnant (Tycho’s SNR) show a pattern of bright clumps and fainter holes. By comparing new data from NASA’s Chandra X-ray Observatory to computer simulations, astronomers have found evidence that the supernova explosion itself, not something in its aftermath, was the source of this clumpy distribution. Tycho’s supernova, also known as [...]

The image features the silhouette of one of my students during a workshop on astrophotography. He is standing against the background core of our galaxy at the Dark Sky Alqueva Reserve, in Portugal.

When Chris Ferguson last departed for a launchpad to lift off into space, he rode on a modified Airstream motorhome that NASA used for decades to transport its astronauts. Now, there is a new Airstream vehicle ready to take him and his Boeing crew to fly.

Broadway performers surprised the crowd at the 2019 IAC with show tunes, spoken word, dance and musical theater performance.