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artist-vangogh

Self Portrait with Felt Hat, 1887, Vincent van Gogh

Medium: oil,canvas

artist-dali

Dream Caused by the Flight of a Bee around a Pomegranate a Second before Awakening, 1944, Salvador Dali

Medium: oil,canvas

https://www.wikiart.org/en/salvador-dali/dream-caused-by-the-flight-of-a-bee-around-a-pomegranate-one-second-before-awakening

artist-vangogh

Vincent’s Bedroom in Arles, 1889, Vincent van Gogh

Medium: oil,canvas

artist-monet

The Japanese Bridge (The Water-Lily Pond), 1899, Claude Monet

cosmicvastness

A Whole New Jupiter

This image shows Jupiter’s south pole, as seen by NASA’s Juno spacecraft from an altitude of 32,000 miles (52,000 kilometers). The oval features are cyclones, up to 600 miles (1,000 kilometers) in diameter. Multiple images taken with the JunoCam instrument on three separate orbits were combined to show all areas in daylight, enhanced color, and stereographic projection. Credit: NASA/JPL-Caltech/SwRI/MSSS/Betsy Asher Hall/Gervasio Robles

allthecanadianpolitics

Scientists say it indicates the climate is now warmer than at any time in the last 5,000 years

Permafrost at outposts in the Canadian Arctic is thawing 70 years earlier than predicted, an expedition has discovered, in the latest sign that the global climate crisis is accelerating even faster than scientists had feared.

A team from the University of Alaska Fairbanks said they were astounded by how quickly a succession of unusually hot summers had destabilized the upper layers of giant subterranean ice blocks that had been frozen solid for millennia.

“What we saw was amazing,” Vladimir E. Romanovsky, a professor of geophysics at the university, told Reuters by telephone. “It’s an indication that the climate is now warmer than at any time in the last 5,000 or more years.”

With governments meeting in Bonn, Germany, this week to try to ratchet up ambitions in United Nations climate negotiations, the team’s findings, published on June 10 in Geophysical Research Letters, offered a further sign of a growing climate emergency.

cosmicvastness

Re: M87 black hole image

As the post from yesterday was my first to get that many notes I feel I have to address it somehow and maybe try to answer some comments on it.

• Many of you mentioned Katie Bouman, who was the scientist that developed the algorithm that was used to create the image of the black hole. Yay for women in science!

Here’s her TED-talk ”How to take a picture of a black hole”. • Many of you also mentioned NASA… Well, NASA had pretty much nothing to do with this (I may be taking this too personally as a European, everything space related gets credited to NASA by the public haha). This image was made possible by the Event Horizon Telescope team. • Speaking of telescopes, the ones used to get this picture were not what people usually think when imagining a telescope. As the black hole is a very tiny object in the scale of the universe, and as it can’t be seen in visible light, regular telescopes can not get a picture like this. The image was taken using radio telescopes that receive radio waves from astronomical radio sources. The light surrounding the black hole emits strong radio signals, and with the radio telescopes and Katie Bouman’s algorithm the EHT team were able to create the image. • So, it is NOT a photo (so your Android vs iPhone fight in the comments is pointless :D ) • The image just proves what scientists have been thinking a black hole looks like. On the left is the actual image of the black hole, in the center a simulation of what it could look like, and on the right that same simulation blurred to match the Event Horizon Telescope’s resolution:

• Someone asked if we should be concerned about this. No! At least if they meant that maybe we should be afraid that the black hole is going to come and swallow the Earth or something. Supermassive black holes in galaxy centers are normal. The Milky Way has one, and the EHT tried to get an image of that too, but at least for now they haven’t been successful. But no, there’s nothing to be scared or concerned of. • Someone said “Correction: M87 is between Sagittarius and Scorpio star constellations. For more information look for Sagittarius A.“ Ah, well, no. M87 is a galaxy and this black hole is in the center of it. M87 is located in the constellation Virgo. Sagittarius A* is the supermassive black hole in our galaxy’s center, and is indeed located between constellations Sagittarius and Scorpius. • A lot of Eye of Sauron jokes… But we already have an Eye of Sauron in space! It’s actually nicknamed Eye of Sauron.

And I guess that’s about all I needed to say. I’m not a scientist myself but if there’s something you wanna know, I’ll try my best to answer! Also I’m sorry if there’s spelling mistakes or anything, English is not my native language.

cosmicvastness

Astronomers Capture First Image of a Black Hole

The Event Horizon Telescope (EHT) — a planet-scale array of eight ground-based radio telescopes forged through international collaboration — was designed to capture images of a black hole. Today, in coordinated press conferences across the globe, EHT researchers revealed that they have succeeded, unveiling the first direct visual evidence of a supermassive black hole and its shadow. The image reveals the black hole at the centre of Messier 87, a massive galaxy in the nearby Virgo galaxy cluster. This black hole resides 55 million light-years from Earth and has a mass 6.5 billion times that of the Sun. Supermassive black holes are relatively tiny astronomical objects — which has made them impossible to directly observe until now. As the size of a black hole’s event horizon is proportional to its mass, the more massive a black hole, the larger the shadow. Thanks to its enormous mass and relative proximity, M87’s black hole was predicted to be one of the largest viewable from Earth — making it a perfect target for the EHT. The shadow of a black hole is the closest we can come to an image of the black hole itself, a completely dark object from which light cannot escape. The black hole’s boundary — the event horizon from which the EHT takes its name — is around 2.5 times smaller than the shadow it casts and measures just under 40 billion km across.

Credit: ESO

artist-vangogh

Still Life Vase with Twelve Sunflowers, 1889, Vincent van Gogh

Medium: oil,canvas

https://www.wikiart.org/en/vincent-van-gogh/still-life-vase-with-twelve-sunflowers-1

space-pics

I posted this image in r/EarthPorn but it got removed for being silhouetted. I thought you guys might appreciate it more here. This is a time lapse photo I took of the Wolf Blood Moon from the other night. [OC]