Illustration of an exocomet transit. — astro-ph.EP Active small bodies in extrasolar systems, the extrasolar analogues of Solar System comets, provide insights into the orbital evolution and physical processes shaping

Input spectra generated with PSG from simulations of modern Earth. The spectra were generated at nine times of day, showing different surface features as the planet rotates (Kofman et al.

Artistic scheme of the VLA 4A/4B binary system, not in scale. Methanol and water absorption features originate from gas located in front of the dust photosphere at 26 µm, which

The left panel shows the relative astrometric orbit of 70 Oph B around 70 Oph A. Red points denote archival visual and micrometric measurements from the WDS/ORB6 catalog, while the

First glimpse of comet 3I/ATLAS from Juice science camera – ESA larger image No matter how much planning goes into space missions, one must always expect the unexpected. But luck