Wissenschaftler mit dem südafrikanischen Quadratkilometer-Array-Mid-Telescope wollen Starlink aus ihrem Platz
Wissenschaftler mit dem südafrikanischen Quadratkilometer-Array-Mid-Telescope wollen Starlink aus ihrem Platz
22 Kommentare
It’s interesting to think about at what height does it cease to be your airspace.
Fun fact, the total sum of energy collected by astronomers since WW2 from telescopes of all kinds is less than the energy in the force of a snowflake falling on the ground.
When Starlink became a thing years ago, it was immediately pointed out tha this will kill terrestrial sky watching
They have similar agreements for telescopes in other countries, I don’t expect South Africa to be any different here.
Another sign that these mass satellite constellations cause nothing but problems and pollute our skies. It almost feels similar to trying to mention that car traffic pollution will become a problem in the 50s.
They can invest in large lasers and simply burn them out of the sky. Until then they can make all the noise they want. Nearly all ground based telescopes have figured out software to remove satellites from their imaging. Same with Radio telescopes. The frequencies used by these are very narrow and can be filtered out. And SpaceX is working with Radio astronomy for turning them off when they enter the observation window if they are looking at that frequency range.
I keep forgetting how utterly and completely stupid people are here. I suggest you morons look up how telescopes deal with satellites and have been for decades.
The starlink satellites also get caught in my amateur astrophotography. You can just see these streaks going across the captures, which makes that captured frame completely useless and has to be thrown out. I’d rather keep all my exposures for better final stacking quality, but having to chuck them out because starlink littered our sky with these satellites is a tad frustrating.
Then again, I’m just an amateur, and I also understand how much of a godsend these satellites are for people in rural areas needing internet access, as well as businesses that work off shore in boats.
edit: It seems that my comment struck a nerve with some people that they are putting words in my mouth to create an argument with me. At no point am I saying that starlink is a bad thing, and that they all need to be removed. I’m just pointing out that I understand South Africa’s point of view. I won’t be engaging with further bad faith commenters intentionally trying to create an argument with be because I *dared* to share one criticism of starlink.
Only way to stop starlink is bankrupt musk. Hit the bankrollers, and this expensive project goes away.
tough shit, global internet access is more important, and even if it wasn’t SpaceX, it’d be Kuiper or some eventual Chinese constellation obstructing the view
Theyre better off launching the telescope to orbit with the cheap launch availability made possible by Spacex now.
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:
|Fewer Letters|More Letters|
|——-|———|—|
|[COTS](/r/Space/comments/1l25yih/stub/mvuwewc „Last usage“)|[Commercial Orbital Transportation Services contract](https://www.nasa.gov/cots)|
| |Commercial/Off The Shelf|
|[ELT](/r/Space/comments/1l25yih/stub/mvsuo6y „Last usage“)|Extremely Large Telescope, under construction in Chile|
|[ESA](/r/Space/comments/1l25yih/stub/mvrhq6b „Last usage“)|European Space Agency|
|[GEO](/r/Space/comments/1l25yih/stub/mvrhh9n „Last usage“)|Geostationary Earth Orbit (35786km)|
|[HST](/r/Space/comments/1l25yih/stub/mvsfv8l „Last usage“)|Hubble Space Telescope|
|[Isp](/r/Space/comments/1l25yih/stub/mvtq84q „Last usage“)|Specific impulse (as explained by [Scott Manley](https://www.youtube.com/watch?v=nnisTeYLLgs) on YouTube)|
| |Internet Service Provider|
|[JWST](/r/Space/comments/1l25yih/stub/mvuzjx1 „Last usage“)|James Webb infra-red Space Telescope|
|[L1](/r/Space/comments/1l25yih/stub/mvseyyg „Last usage“)|[Lagrange Point](https://en.wikipedia.org/wiki/Lagrangian_point) 1 of a two-body system, between the bodies|
|NORAD|North American Aerospace Defense command|
|[TLE](/r/Space/comments/1l25yih/stub/mvsfv8l „Last usage“)|Two-Line Element dataset issued by NORAD|
|[VLBI](/r/Space/comments/1l25yih/stub/mvu6wen „Last usage“)|Very-Long-Baseline Interferometry|
|Jargon|Definition|
|——-|———|—|
|[Starlink](/r/Space/comments/1l25yih/stub/mw2vexd „Last usage“)|SpaceX’s world-wide satellite broadband constellation|
|[hydrolox](/r/Space/comments/1l25yih/stub/mvthbt5 „Last usage“)|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer|
Decronym is now also available on Lemmy! Requests for support and new installations should be directed to the Contact address below.
—————-
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Oh hey, spoke to a friend who works on the SKA a few weeks back.
The SKA is a very sensitive radio telescope array which was purposefully built in the middle of nowhere to avoid radio frequency interference.
They’re not so much worried about the satellites flying over, just broadcasting in their space.
Probably completely feasible to go quiet over the SKA
Makes sense – radio telescopes need quiet skies. Hope they find a good compromise with Starlink.
[deleted]
Reality is that serious astronomy needs to move into space. With increadngly cheap launch costs, you could put all sorts of telescopes at the Lagrange points, or even in solar orbit.
Is there no software to remove starlink from the captured telescope data?
Use a constellation in view as bearing, comsult known satalite orbit database, remove pixels from the data based on location, heading, attitude and orbits.
SpaceX seems irrelevant when China wants to launch an order of magnitude more sats.
It’s about to get very crowded up there, even moreso than it already is.
Astronomy will need to move into space to adapt
Exploration and progress: the two things that always give me hope for our future. Go Resilience!
Exploration and progress: the two things that always give me hope for our future. Go Resilience!
We are going to have a satellite network, end stop. Its just the logical evolution of technology.
Cool, I want Elon Musk out of my news feeds.
Completely.
Hopefully these satellites will just fall down into earth atmosphere.