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ESOcast 192 Light: GRAVITY Resolves a Gravitationally Microlensed Star

The GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI) has seen what seems an impossible sight…

The video is available in 4K UHD.

The ESOcast Light is a series of short videos bringing you the wonders of the Universe in bite-sized pieces. The ESOcast Light episodes will not be replacing the standard, longer ESOcasts, but complement them with current astronomy news and images in ESO press releases.

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* Research paper — First Resolution of Microlensed Images:

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Directed by: Nico Bartmann.
Editing: Nico Bartmann.
Web and technical support: Mathias André and Raquel Yumi Shida.
Written by: Ivana Kurečić, Mariya Lyubenova, and Calum Turner.
Music: John Stanford – The Edge (
Footage and photos: ESO, UHD Team, M. Kornmesser, B. Tafreshi (, MPE, F. Kamphues, MATISSE consortium, P. Horálek.
Scientific Consultants: Paola Amico and Mariya Lyubenova.
Executive producer: Lars Lindberg Christensen.


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8 thoughts on “ESOcast 192 Light: GRAVITY Resolves a Gravitationally Microlensed Star

  1. nice animation, but garbage science. if it is gravitational why it only happen where there is space dust? we refer to them as circular mirage. interaction of light with material in space. you do not know structure of photon, nature of gravity or how the two interact. why you have not used moon as mass for lensing. it has very little dust, but plenty gravity. German scientist Einstein pleaded with my grandfather who was working with Max Planck and others to know gravity. my grand father told him study your bicycle instead of coming up with fairy-tail like relativity. Ferydoon Shirazi. MG1

  2. I have questions about cosmic rays
    the question is

    Will cosmic rays help us understand the origin of the universe?
    second question
    Are there traces of cosmic rays from the birth of the universe?
    Are these cosmic rays the effects of dark energy at the beginning of the universe?

    Please send my three questions to physicists


  3. Dá um jeito de legendar para o português ESO, o brasil pode não contribuir muito ou nada mas existe futuros astrônomos no brasil também

  4. That moment, when you discover something amazing, then they call you amateur 😂
    Thanks to decades of machine development
    Thanks for the galaxy
    Special thanks to the lences he used to look at the brightened star
    But he's amateur 🤣

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