Potential Ozone Depletion From Satellite Demise During Atmospheric Reentry in the Era of Mega-Constellations
Interesting paper that was published in Geophysical research letters looking at potential damage to the Ozone layer from Satellites re-entering the Earths atmosphere and burning up. The specific issue seems to be related to the Aluminium Oxidizing, and then this travels down to the Ozone layer and causes a chemical reaction.
Give the number of Satellites in orbit and the importance of the Already fragile Ozone layer, this is not good news.
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Euclid telescope
The European Space Agency reveals the first stunning Euclid telescope images, showing the universe as you've never seen it before:
The difference between the Euclid mission and the JWST
The full-colour photos offer the clearest glimpse yet of the cosmos, as the telescope continues its mission to unlock the mysteries of the furthest reaches of space known as the "dark universe".
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Dust Battery
More interesting findings about the early universe, I guess some of this makes sense as one of the 4 fundamental forces is Electromagnetic forces.
This research findings are detailed here. So if I understand this correctly, the early universe processes had that were had electrically charged dust particles, these produced magnetic fields as they moved around by the radiation from the 2nd generation of stars.
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IM-2
Following on from the IM 1 mission, the Intuitive Machines 2 mission is underway and is scheduled for touchdown later this week
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Exoplanet research
Temperamental stars are distorting our view of distant planets
Interesting research looking at some interesting issues faced when using transits to find planets around stars. We know the transit causes starlight to dim, from the viewpoint of the observer. However, according to this research, so does changes to the star, hot and cold regions and how this impacts star brightness could be impacting how we detect planets.
The article can be found here on Science Daily. There is an article on transits on the NASA website.
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NASA Solar probe
I guess it would not be Christmas without a big space event taking place. 2024 is no exception, this year is the turn of the NASA Parker solar probe attempting the closest flyby.
I was reminded about this after seeing the BBC headlines today, mission details are below.
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What is Space-Time?
So back to some Physics videos, what is space-time?: This video does a really nice job of explaining this in a way that is understandable, but not so simple it loses any meaning.
I have included links to wondorium below, as well as links to the usual discussion forums.
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Future space telescopes
Future space telescopes could be made from thin membranes, unrolled in space to enormous size
Interesting article on the future of space telescopes so the idea seems interesting as it allows deployment of large telescopes in space quickly.
The JWST is 6.5 meters, the ELT is 39 meters (ground based) as the JWST is foldable then the technology is already there.
This could offer some real opportunity to make strides forward, as we have seen with the JWST. Larger telescopes allow for the collection of more light, I would guess that telescopes can be built to collect different light e.g. UV, Visible and IR.
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Asteroid mining
Interesting video post to the Spaceflight fediverse channel, looking at mining Asteroid and what we should perhaps be doing this for, for example we can use water to make rocket fuel.
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Introducing Ramses, ESA’s mission to asteroid Apophis
Introducing Ramses, ESA’s mission to asteroid Apophis
Another item found on the Fediverse, decentralized social media. This is a new ESA mission to the asteroid Apophis.
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