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Quasar J0742+2704 (center) became the subject of astronomers’ interest after it was discovered to have a newborn jet blasting from the disk around its supermassive black hole in 2020, using the Karl G. Jansky Very Large Array (VLA) radio observatory. This led to follow-up with other observatories in an effort to determine the properties of the galaxy and what may have triggered the jet.
While the jet itself cannot be seen in this NASA/ESA Hubble Space Telescope infrared-light image, the spiral shape of J0742+2704 is clear, with faint but detectable arms branching above and below the galaxy center. This was a big surprise to the research team, as quasars hosting jets are typically elliptical-shaped, and it is suspected that messy mergers with other galaxies are what funnel gas toward the black hole and fuel jets. These mergers would also disrupt any spiral formation a galaxy may have had before mixing its contents with another galaxy.
Though its intact spiral shape means it has not experienced a major merger, Hubble does show evidence that its lower arm has been disrupted, possibly by the tidal forces of interaction with another galaxy. This could mean that jets can be triggered by a far less involved, dramatic interaction of galaxies than a full merger. The large galaxy to the lower right of the quasar appears to be a ring galaxy, another sign of interaction. Ring galaxies form after a small galaxy passes through the center of a larger galaxy, reconfiguring its gas and dust.
The brightest parts of this image — foreground stars and the bright center of the quasar — show the characteristic “starry” spikes produced by Hubble (and other telescopes’) interior structure. They are not actual aspects of the cosmic objects
[Image description: Field of yellow galaxies of various sizes and distances on a black background. Two larger galaxies are prominent. Centered is a galaxy with a bright core and faint spiral arms coming off its top and bottom. To the lower right of the spiral is a ring galaxy with an apparent gap between its bright core and the ring oval of dust and gas surrounding it.]
Credits: NASA, ESA, K. Nyland (United States Naval Research Laboratory), J. DePasquale (STScI); CC BY 4.0
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I've passed this abandoned schoolhouse many times, but the trees and brush were so overgrown i could'nt get a good photo of it.
Thie back of this building is even more decayed and run down!
January, in rural Laurewood.Or.
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On Wednesday 15 May 2024, about 300 SOAS (School of Oriental and African Studies) students and their supporters gathered in front of the "Liberated Zone" Gaza solidarity encampment. An area of activists tents within the university grounds.
The event was called to mark Nakba day which commemorates the brutal ethnic cleansing and expulsion of Palestinians from their homes and villages in the months after 15 May 1948 by the Israeli army and Zionist militia. Although historians point out that the ethnic cleansing of Palestinians from their land long predated 15 May 1948, and has continued ever since.
A crowd listened to a number of speeches both by supporters as well as students outlining their demands on the university and their determination to "not give up and not to stop" until SOAS had disclosed its investment in corporations complicit both in Israel's occupation of the West Bank and its war on Gaza.
A final speech was given in which an activist explained that students and their supporters needed to "escalate until our demands are met" and added "we are going to show London we are going to continue (activism and protest) until our demands are met."
One of the most frequently heard chants on this and other days has been
"Disclose, Divest,
We will not stop,
We will not rest."
The students marched from SOAS to the junction of Tottenham Court Road and Oxford Street where at sometime around 7.30 pm they held a die-in preventing all but emergency traffic from crossing the junction. I didn't time the length of the action, but it seemed to last for about 30 minutes.
The students' demands, as written on a two metre high placard at the encampment, were as follows
1. Disclose - Full details of all university investments
2. Divest - from companies complicit in Israel's denial of Palestinian rights - [a list of specific companies followed which included Barclays Bank, Alphabet (Google/Alphabet) and Microsoft.]
3. Terminate - the university's banking and lending arrangement with Barclays
4. Boycott - Israeli academic institutions which are complicit in the violation of Palestinian human rights, including the University of Haifa
5. Commit - to supporting Palestinian education and the rebuilding of Gaza's Schools and Hospitals. Establish partnerships and exchanges with Palestinian institutions and academics. Increase scholarships for Palestinian students. Advocate for removal of restrictions for pro-Palestinian expression.
6. Guarantee - the right of students and staff to express solidarity with the Palestinian struggle for liberation including in research, speech and actions.
7. Advocate - for the UK government to implement an arms embargo on Israel, to call for an immediate, unconditional and permanent ceasefire.
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