Working together, the telescopes produce some of the sharpest views of the universe.
Right next door
The project, dubbed Inna, is a proposed industrial-scale green hydrogen project.
Well, the environmental impacts are precisely what the European Southern Observatory officials are concerned about.
The Milky Way above ESO’s Paranal Observatory.Photo: ESO/P. Horálek
The Atacama Desert has some of thedarkest, clearest skiesof anywhere on Earth.
In 2021, the telescopesnapped imagesof 42 of the solar systems biggest asteroids.
Failing to take action implies a progressive decline of our ability to explore our Universe.
A graph illustrating how dark skies are above Paranal compared to other observatories. Graphic: Falchi et al. 2023
Infrastructure on the ground is not astronomers only concern.
Earth orbit is cluttered with satellites which complicate imaging of the night sky.
Megaconstellations including SpaceXs Starlinkcreate streaksonastronomical imagesas the individual spacecraft transit the night sky.
Photo: Lam Yik Fei (Getty Images)
Such satellite swarms even vex space-based telescopes, as seen in some Hubble Space Telescopeimages.
There aretricks to cleaningastronomical images of these streaks, but they are nevertheless a problem.
Light pollution is getting worse, according to recent research.
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