A Bit More Detail

Assorted Personal Notations, Essays, and Other Jottings

Posts Tagged ‘Sagittarius A*

[BLOG] Some Saturday links

  • Architectuul takes a look at different retrofuture imaginings from the 20th century of what architecture might look like in the 21st century.
  • Bad Astronomer Phil Plait notes the mysteries surrounding a sudden recent eruption of Sagittarius A*.
  • Centauri Dreams considers what the James Webb Space Telescope might be able to pick up from TRAPPIST-1.
  • Henry Farrell at Crooked Timber considers Ossian’s Ride, a SF novel by Fred Hoyle imagining a progressive Ireland leapfrogging ahead of Britain, and how this scenario is being realized now.
  • D-Brief looks at what a glitch in the spin rate of the Vela pulsar reveals about these bodies.
  • Dangerous Minds looks at how Rock Hudson came to star in the SF film Seconds.
  • Bruce Dorminey notes a new NASA Kepler study suggesting (very) broadly Earth-like worlds might orbit as many as one in six Sun-like stars.
  • Gizmodo links</u. to a study suggesting the oddly fuzzy core of Jupiter might be a consequences of an ancient collision with a massive protoplanet.
  • Imageo notes that July broke all sorts of climate records.
  • Joe. My. God. notes that the Trump administration has exempted Bibles from the new China tariffs.
  • Language Hat considers, after the space of a decade, why people might say a language is so foreign as to be Greek.
  • Robert Farley links at Lawyers, Guns and Money to an analysis of what major battle fleets around the world would have looked like in 1950 absent a Second World War.
  • The LRB Blog notes how the UK Conservative government’s turn towards repressive law-and-order measures will please Faragists.
  • The Map Room Blog shares maps indicating the scale of the American opioid crisis.
  • Tyler Cowen at Marginal Revolution links to one of his columns noting how two decades of nil economic growth has harmed Italy.
  • Peter Watts at his blog has a critical take on the Chinese SF movie The Wandering Earth.
  • The NYR Daily looks at how things are becoming quite bad for Kashmiris.
  • The Planetary Society Blog looks at how the OSIRIS-REx team is looking for sample sites on asteroid Bennu.
  • Starts With A Bang’s Ethan Siegel notes the evidence from our solar system’s moons that two planets can indeed stably share the same orbit.
  • Towleroad notes how a successful campaign has helped London fetish bar Backstreet survive gentrification.
  • Arnold Zwicky shares some gorgeous blue and black flowers in the Gamble Garden of Palo Alto, and meditations on said.

[BLOG] Some Thursday links

  • Bad Astronomer Phil Plait takes a look at the German city of Nordlingen, formed in a crater created by the impact of a binary asteroid with Earth.
  • Centauri Dreams reports on the possibility that the farside of the Moon might bear the imprint of an ancient collision with a dwarf planet the size of Ceres.
  • D-Brief notes that dredging for the expansion of the port of Miami has caused terrible damage to corals there.
  • Dangerous Minds looks at the last appearances of David Bowie and Iggy Pop together on stage.
  • The Dragon’s Tales notes that China is on track to launch an ambitious robotic mission to Mars in 2020.
  • Karen Sternheimer at the Everyday Sociology Blog talks about what sociological research actually is.
  • Gizmodo reports on the discovery of a torus of cool gas circling Sagittarius A* at a distance of a hundredth of a light-year.
  • io9 reports about Angola Janga, an independent graphic novel by Marcelo D’Salete showing how slaves from Africa in Brazil fought for their freedom and independence.
  • The Island Review shares some poems of Matthew Landrum, inspired by the Faroe Islands.
  • Joe. My. God. looks at how creationists are mocking flat-earthers for their lack of scientific knowledge.
  • Language Hat looks at the observations of Mary Beard that full fluency in ancient Latin is rare even for experts, for reasons I think understandable.
  • Melissa Byrnes wrote at Lawyers, Guns and Money about the meaning of 4 June 1989 in the political transitions of China and Poland.
  • Marginal Revolution notes how the New York Times has become much more aware of cutting-edge social justice in recent years.
  • The NYR Daily looks at how the memories and relics of the Sugar Land prison complex outside of Houston, Texas, are being preserved.
  • Jason C Davis at the Planetary Society Blog looks at the differences between LightSail 1 and the soon-to-be-launched LightSail 2.
  • The Power and the Money’s Noel Maurer looks in detail at the high electricity prices in Argentina.
  • Peter Rukavina looks at the problems with electric vehicle promotion on PEI.
  • Starts With A Bang’s Ethan Siegel looks at when the universe will have its first black dwarf. (Not in a while.)
  • Window on Eurasia suggests that Belarusians are not as interested in becoming citizens of Russia as an Internet poll suggests.
  • Arnold Zwicky highlights a Pride Month cartoon set in Antarctica featuring the same-sex marriage of two penguins.

[NEWS] Five space science links: Planet Nine, Ultima Thule, Orion Nebula, Sag A*, SN 1987A

  • This article by Shannon Stirone at Longreads takes a look at the long, lonely search for Planet Nine from the top of Mauna Kea.
  • Universe Today shares a high-resolution photograph of Ultima Thule.
  • Universe Today explains how the new crop of young stars in the Orion Nebula disrupt the formation of other stellar bodies.
  • Phys.org shares this amazing photograph of Sagittarius A* at the heart of our galaxy.
  • The shockwaves from Supernova 1987A in the Large Magellanic Cloud, Universe Today notes, are still crashing into the neighbouring interstellar medium, revealing more secrets to astronomers.

[NEWS] Six D-Brief links: Sagittarius A*, GRBs, Saturn, Planet Nine, Earth, starlight

  • Are the radio jets of Sagittarius A* at the heart of our galaxy pointed directly at Earth? D-Brief reports reports.
  • Astronomers might finally have established a firm connection between supernovas and gamma-ray bursts. D-Brief reports reports.
  • The length of a day on Saturn has finally been established, at just over 10 hours and 33 minutes. D-Brief reports reports.
  • The supposed signature of Planet Nine might be a creation not of a ninth planet but rather by a thick distant belt of objects. D-Brief reports reports.
  • Did the collision of protoplanet Theia with the young Earth seen the subsequent world with the materials needed for life? D-Brief reports reports.
  • The very idea of an encyclopedia of galactic starlight is profoundly poetic, to say nothing of its scientific uses. D-Brief reports reports.

Written by Randy McDonald

January 26, 2019 at 9:30 pm

[BLOG] Some Thursday links

  • Anthro{dendum} considers ways to simulate urgency in simulations of climate change.
  • Bad Astronomer Phil Plait considers what could possibly have led to a Mars crater near Biblis Patera, on Tharsis, having such a flat bottom.
  • Caitlin Kelly at the Broadside Blog gives readers some tips as to what they should see in New York City.
  • Centauri Dreams notes some of the early returns sent back by the OSIRIS-REx probe from asteroid Bennu.
  • The Crux notes the limits of genetic determinism in explaining human behaviour, given the huge influence of the environment on the expression of genes and more.
  • D-Brief suggests that the rapid global dispersion of the domestic chicken, a bird visibly distinct from its wild counterparts, might make an excellent marker of the Anthropocene millions of years hence.
  • Bruce Dorminey notes that Comet 46 P/Wirtanen is set to come within a bit more than eleven million kilometres of the Earth next week, and that astronomers are ready.
  • L.M. Sacasas at The Frailest Thing suggests that the Internet, by exposing everything, makes actual innovation difficult.
  • JSTOR Daily takes a look at the innovative art of early 20th century Expressionist Charlotte Salomon, a person not only groundbreaking with her autobiographical painting series but linked to a murder mystery, too.
  • Anne Curzan writes at Lingua Franca about what she has learned in six years about blogging there abut language.
  • Sara Jayyousi writes at the LRB Blog about her experiences over time with a father imprisoned for nearly a decade and a half on false charges of supporting terrorism.
  • Marginal Revolution shares Tyler Cowen’s argument that Macron’s main problem is that he lacks new ideas, something to appeal to the masses.
  • Sylvain Cypel at the NYR Daily argues that Macron, arguably never that popular, is facing a Marie Antoinette moment, the Yellow Jackets filling the place of the sans culottes.
  • Drew Rowsome rightly laments the extent to which social media, including not just Facebook but even Tumblr, are currently waging a war against any visible sex in any context.
  • Starts With A Bang’s Ethan Siegel explains how, in 2019, astronomers will finally have imaged the event horizon around the black hole Sagittarius A* at the heart of the Milky Way Galaxy.
  • Window on Eurasia reports on polls which suggest that young Belarusians are decidedly apolitical.

[BLOG] Some Friday links

  • Architectuul shares the latest issue of the journal Archifutures, reporting on strategies for adapting to apocalyptic enviroments.
  • Bad Astronomer Phil Plait breaks down for readers the import of the sighting of material on the fringes of the event horizon of Sagittarius A*.
  • The Broadside Blog’s Caitlin Kelly talks about zhush, the act of renewing one’s home as winter approaches.
  • Centauri Dreams notes the fine-tuning of hypothetical mechanisms for delivering water to the Earth (and other inner worlds) during the Late Heavy Bombardment period.
  • D-Brief notes the identification in many ancient human skeletons of deformities likely product of inbreeding.
  • Dangerous Minds links to a fascinating documentary looking at the culture of tribute bands.
  • Drew Ex Machina reports on the earliest stages of the space race, in both the Soviet Union and the United States.
  • Hornet Stories notes that Sasha Velour is off to the Smithsonian to give a speech on the importance of drag in culture.
  • JSTOR Daily reports on the parlous environment of the Mediterranean Sea, with sea level rise and pollution promising to make a mess.
  • Language Hat notes how, in France, the concept of being “excited” that exists in the Anglophone world and in French Canada may not be represented in the local French.
  • Language Log considers, in the context of the recent Sokal Squared hoax, the ethnographic peculiarities of academia.

[NEWS] Five D-Brief links about space: LandSpace in China, Mars, ‘Oumuamua. Sagittarius A*, SN 1987A

  • D-Brief notes that China’s first privately-funded rocket launch, organized by company LandSpace, failed to reach orbit.
  • As Mars dried out, D-Brief notes, ephemeral lakes formed on the relatively deep and warm surface of the Hellas basin when circumstances permitted.
  • ‘Oumuamua, D-Brief observes, is much more likely a natural object, exhibiting some sort of cometary behaviour, than it is to be an alien spacecraft.
  • D-Brief goes into detail about the detection of infrared radiation flares around Sagittarius A*, at the heart of our galaxy, that reveal that ultra-compact object to be a black hole.
  • This time-lapse image of the expanding debris from Supernova 1987A, provided by D-Brief, is beautiful.