🌌🕳️ Something suspiciously dark appeared at our NH Library… 👀
Turns out: it’s BLACK HOLE WEEK! 🚀✨
Explore collapsing stars, warped time & cosmic mysteries — all for the unbelievable price of ⭐ FREE ⭐

#UiT #BlackHoleWeek #ArcticKnowledge #LibraryLife

The Event Horizon Telescope's groundbreaking image of the supermassive black hole at the center of galaxy M87. This image reveals the black hole's shadow, a dark region surrounded by a bright ring of glowing gas. The size and shape of this shadow confirm Einstein's theory of gravity even in extreme environments, providing further evidence of a 6 billion solar mass spinning black hole. New EHT results will be announced next Thursday.

Astronomy Picture from 01/05/2022

First Horizon-Scale Image of a Black Hole

Source: https://apod.nasa.gov/apod/ap220501.html


#BlackHoleWeek #EHT #M87 #BlackHoleShadow #Einstein #Gravity #Space #Astronomy #Astrophysics #Science #Cosmology #EventHorizonTelescope

Tantalizing Hints That Dark Energy is Evolving — New Results and Data Released by the DESI Project - Dark Energy Spectroscopic Instrument combines with other experiments to reveal signs of a time-vary... The DESI collaboration has published a new analysis of dark energy using their first three years of collected data, which spans nearly 15 million galaxies and quasars. Combined with studies of the cos...

Is dark energy evolving?

It may no longer be #BlackHoleWeek, but here's some more interesting #space news coming from the Dark Energy Spectroscopic Instrument (DESI) collaboration.

noirlab.edu/public/news/...

The title card for a set of Infographics that says “the history of black holes: from theory to discovery” there is a illustration of distorted space time for a singularity.

Yes I know… #BlackHoleWeek is over 😞 but that won't stop me from yapping about black holes! 😂

Here’s a set of infographics highlighting some of the key findings by scientists that helped us get to our understanding of black holes today! ✨

#Astrophysics #BlackHoles

As our detectors become more advanced, we can discover more black holes than ever before, looking further back into our Universe's past

This growing set of observations advances our understanding of the astrophysics of black holes

#BlackHoleWeek 🔭🧪

#BlackHoleWeek

Just in time for #BlackHoleWeek! Thanks @arpbot.bsky.social.

The large, red diffraction spikes and X-ray light near the center of the galaxy NGC 7469 signal the presence of a supermassive black hole. 🔭🧪

Dr Andrew Spencer and Dr Rachel Grey practising the steps with Lewis Hou of Science Ceilidh on the fiddle. They are in font of a white board relating how the inspiral, merger and ringdown phases of a binary black hole coalescence can be turned into a dance.

So much spinning! Andrew and Rachel are a blur. Lewis looks pleased.

Celebrating #BlackHoleWeek, some of our scientists are working with the Science Ceilidh #SciComm team to create a binary black hole themed dance. This will be shared with participants at the upcoming #GR24Amaldi16 conference.

📷: @daniel-williams.co.uk @uofgravity.bsky.social

Plots showing the most probable values of three key parameters of eight binary compact objects from GWTC-3: the binary chirp mass M; the mass ratio q between the least massive and most massive component; and the luminosity distance DL. The white curves show what our analysis would have returned without finding a signal, while the colored curves show our actual results. Each binary is illustrated to the right-hand side of the plot, with circle size representing mass and the component spins indicated (not to scale).

Discover more about some of our biggest and smallest (potential) black holes from our science summaries

📚GWTC-3 ligo.org/science/Publ...
🐳GW190521 ligo.org/science/Publ...
❔GW190814 ligo.org/science/Publ...
🐁GW230529 ligo.org/science/Publ...

#BlackHoleWeek 🔭🧪⚛️ 10/🧵

Low-mass black holes are less likely to swallow neutron stars whole. Hence, we could be more likely to have a counterpart to neutron star–black hole mergers that telescopes could see!

youtu.be/3PKsBwH_bJE

#BlackHoleWeek 🔭🧪⚛️ 9/🧵

AskScience AMA Series: We're Event Horizon Telescope scientists who've taken the world's first black hole photos. Ask Us Anything!

Hey I've been busy grading, but that doesn't mean it's not #BlackHoleWeek! Have burning questions about black holes? Join me and some of my colleagues from @ehtelescope.bsky.social for a Reddit AMA, today from 3-5 PM ET (19-21 UTC)!

GW230529's black hole is in the range of the hypothesised mass gap. X-ray observations had not found black holes below 5 solar masses, so it was suggested that supernova explosions don't form black holes in this range. This observations suggestions otherwise

#BlackHoleWeek 🔭🧪 8/🧵

Sehr spannend, auch wenn man als Laie vieles nicht so recht versteht.

Und auch gut, dass wir die #BlackHoleWeek bald unbeschadet überstanden haben!

Inferred masses for a selection of low mass binaries observed with gravitational waves. GW230529 has a black hole that lies in the proposed lower mass gap highlighted in grey

What about the smallest *definite* black hole?

GW230529 is our first discovery announced from our fourth observing run. Its source is probably a neutron star–black hole binary, and the black hole is about 3.6 solar masses

#BlackHoleWeek 7/🧵

📊: arxiv.org/abs/2404.04248

The maximum neutron star mass is currently uncertain. We hope to measure it with future observations. We know it must be between 2 and 3 solar masses

Finding the boundary would teach us something about the strange matter that makes up neutron stars

#BlackHoleWeek 🔭🧪 6/🧵

Artistic depiction of a black hole and an object that could be either a neutron star or a black hole. It's a mystery

What's the smallest black hole we've detected? We're not sure!

The less massive objects of GW190814 (about 2.6 solar masses) and GW200210_092254 (about 2.8 solar masses) could be either massive neutron stars or small black holes

#BlackHoleWeek 🔭 5/🧵

🖼️: Caltech/MIT/R Hurt

Could these black holes go on to merge again to form even bigger black holes? Maybe! This could happen if they are in a globular cluster or a nuclear star cluster where there are many black holes in a small region

#BlackHoleWeek 🔭 4/🧵

🎬: @science.esa.int + NASA Hubble Space Telescope

We measure black hole masses in solar masses (our Sun is 1 solar mass)

The biggest black holes we have seen are the merger remnants for
⚫️GW200220_061928 around 140 solar masses
⚫️GW190521 around 150 solar masses
⚫️GW190426_190642 around 170 solar masses

#BlackHoleWeek 🔭 3/🧵

a black hole in the middle of a galaxy Alt: Simulation of two black holes merging. They appear black against the background of stars, but the light from the stars is distorted by their gravity

When two black holes merge, they form a bigger black hole. The mass of the bigger black hole will be around 95% of the mass of its two parent black holes. The remaining 5% is carried away as the energy in the gravitational waves

#BlackHoleWeek 2/🧵

🎞️: @sxs-collaboration.bsky.social

Masses in the stellar graveyard. A plot showing the masses of black holes and neutron stars observed with gravitational waves and light. The points are arranged to look nice (they are not ordered along the horizontal axis)

We have observed a diverse family of black holes using #GravitationalWaves

We now now they come in a range of sizes, but what are the biggest and smallest black holes we have discovered?

#BlackHoleWeek 🔭🧪 1/🧵

📊: @nuciera.bsky.social

It's #BlackHoleWeek!

You might not expect it, but NSF–DOE Rubin Observatory's observations in visible light will help us learn about these dark and mysterious cosmic entities. But how?

🧵
youtu.be/-S__WQO7dMw

It’s #BlackHoleWeek!

This animation starts just outside the edge of the accretion disk of gas and dust surrounding a black hole. From higher angles, the material looks more like a circular disk as its light is not as strongly bent around the shadow of the black hole.

youtube.com/shorts/l8g_4...

We’re celebrating all things space with #BlackHoleWeek! NCSA’s Center for Artificial Intelligence Innovation (CAII) recently received $1 million in funding from NASA to support the Euclid space mission, which explores mysterious dark matter and dark energy.

www.ncsa.illinois.edu/caii-receive...

a black hole in the middle of a galaxy Alt: gif of a black hole in the middle of a galaxy

Did you know that it's #BlackHoleWeek?! 🕳️ In honor of these fascinating cosmic objects, let's do a recap of some #BlackHole news from the past year that you might have missed ⤵️

#ICYMI #ThrowbackThursday #Astronomy #RadioAstronomy

A simulation of two black holes merging and the ripples in spacetime they create youtu.be/uYncv7z9Zyc

Discover more about how we have come to understand gravitational wave signals from Kip Thorne's Nobel Prize Lecture youtu.be/TZLvEp_xjnY

#BlackHoleWeek 🔭🧪⚛️

An oil painting of a black hole in reds, oranges and yellows.

An oil painting of Sagittarius A* in reds, oranges and yellows.

Apparently it's #BlackHoleWeek!

Here's a conceptual black hole and our very own Sagittarius A*.🥳

Did you know if you get to close to a black hole you'd be spaghettified?🤭

🧪📷🐡🔭

An open sketchbook with two acrylic paintings: one of a black hole, and one of an orange and turquoise nebula

Hi new followers! Sorry I don't post much these days, life has been a bit mad since I moved and started my postdoc!

But it's still #BlackHoleWeek so here's an old painting:)

🔭🐡