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Gesamtlänge aller Episoden: 15 hours 29 minutes
ESOcast 145 Light: First ELT Main Mirror Segments Successfully Cast (4K UHD)
The first hexagonal segments for the main mirror of ESO’s Extremely Large Telescope (ELT) have been successfully cast by the German company SCHOTT at their facility in Mainz. These segments will form parts of the ELT’s 39-metre main mirror, which wil
ESOcast 144 Light: Giant Bubbles on Red Giant Star’s Surface (4K UHD)
Astronomers using ESO’s Very Large Telescope have for the first time directly observed granulation patterns on the surface of a star outside the Solar System — the ageing red giant π1 Gruis.
ESOcast 143 Light: ELT Testing in a Wind Tunnel (4K UHD)
This ESOcast Light explores how and why engineers are undertaking wind tunnel tests for ESO’s Extremely Large Telescope.
ESOcast 142 Light: Stellar Nursery Blooms into View (4K UHD)
The OmegaCAM imager on ESO’s VLT Survey Telescope at the Paranal Observatory in Chile has captured a glittering view of the stellar nursery called Sharpless 29. Many astronomical phenomena can be seen in the giant image, including cosmic dust and gas
ESOcast 141 Light: ESPRESSO — the Next Generation Planet Hunter
The Echelle SPectrograph for Rocky Exoplanet and Stable Spectroscopic Observations (ESPRESSO) successfully made its first observations in November 2017. Installed on ESO’s Very Large Telescope (VLT) in Chile, ESPRESSO will search for exoplanets with
ESOcast 140 Light: MUSE Dives into the Hubble Ultra Deep Field
Astronomers using the MUSE instrument on ESO’s Very Large Telescope in Chile have conducted the deepest spectroscopic survey ever. They focused on the Hubble Ultra Deep Field, measuring distances and properties of 1600 very faint galaxies including 7
ESOcast 139: ALMA and the Cold Interstellar Clouds
Your home and the Universe have at least one thing in common: they can be very dusty places! When you get back after a very long vacation, it may happen that the windows in your home are so full of dust that you can’t see through them anymore. Surpri
ESOcast 138 Light: VLT Discovers First Interstellar Asteroid is like Nothing Seen Before (4K UHD)
For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO’s Very Large Telescope in Chile and other observatories around the world show that this unique object was tr
ESOcast 137 Light: Temperate Planet Orbiting Quiet Red Dwarf (4K UHD)
A temperate planet has been discovered only 11 light-years from Earth by a team using ESO’s unique planet-hunting HARPS instrument. The new world has the designation Ross 128 b and is now the second-closest temperate planet to be detected after Proxi
ESOcast 136 Light: ALMA Discovers Cold Dust Around Nearest Star (4K UHD)
The ALMA Observatory in Chile has detected dust around the closest star to the Solar System, Proxima Centauri. These new observations reveal the glow coming from cold dust in a region between one to four times as far from Proxima Centauri as the Eart