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A mirror image of Earth and sun

Phys.org
A football-sized asteroid – labeled 2018 GE3 – buzzed by Earth on April 16, 2018.
A football-sized asteroid – labeled 2018 GE3 – buzzed by Earth on April 16, 2018.

Cleanest Air in the World Discovered

Newsweek
Fermi Bubbles: Astronomers used the WHAM telescope to measure huge outflows of gas extending from the Milky Way's center known as the Fermi Bubbles. They were able to measure the velocity, density and pressure of the gas for the first time, confirming and extending previous measurements made by using a distant quasar as a light source to look through and measure the gas. Credit: Dhanesh Krishnarao and NASA
Fermi Bubbles: Astronomers used the WHAM telescope to measure huge outflows of gas extending from the Milky Way's center known as the Fermi Bubbles. They were able to measure the velocity, density and pressure of the gas for the first time, confirming and extending previous measurements made by using a distant quasar as a light source to look through and measure the gas. Credit: Dhanesh Krishnarao and NASA
In this 2015 photo provided by the Monterrey Bay Aquarium Research Institute, Kakani Katija works in the remote operated vehicle control room on MBARI’s research vessel Western Flyer as the DeepPIV system illuminates a giant larvacean. The mucus structure the creature builds include two heart-like chambers that act as a maze for the food that drifts in, except there’s only one way for them to go: into the larvacean’s mouth. (Kim Reisenbichler/MBARI via AP)
In this 2015 photo provided by the Monterrey Bay Aquarium Research Institute, Kakani Katija works in the remote operated vehicle control room on MBARI’s research vessel Western Flyer as the DeepPIV system illuminates a giant larvacean. The mucus structure the creature builds include two heart-like chambers that act as a maze for the food that drifts in, except there’s only one way for them to go: into the larvacean’s mouth. (Kim Reisenbichler/MBARI via AP)
Maize, an ancient food source, was first cultivated in the Maya lowlands around 6,500 years ago. Credit: UNM
Maize, an ancient food source, was first cultivated in the Maya lowlands around 6,500 years ago. Credit: UNM
In this test data, taken with a very long acquisition time, we plotted the measured charge in each pixel. The true charge is of course always an integer number of electrons. The measurement precision is a small fraction of an electron, so the 0-electron and 1-electron pixels are well separated, and there is no possibility of miscategorizing an empty pixel. Credit: SENSEI collaboration
In this test data, taken with a very long acquisition time, we plotted the measured charge in each pixel. The true charge is of course always an integer number of electrons. The measurement precision is a small fraction of an electron, so the 0-electron and 1-electron pixels are well separated, and there is no possibility of miscategorizing an empty pixel. Credit: SENSEI collaboration
What researchers have done is apply the theory of the holographic principle to black holes. In this way, their mysterious thermodynamic properties have become more understandable: focusing on predicting that these bodies have a great entropy and observing them in terms of quantum mechanics, you can describe them just like a hologram: they have two dimensions, in which gravity disappears, but they reproduce an object in three dimensions. Credit: Gerd Altmann for PIxabay
What researchers have done is apply the theory of the holographic principle to black holes. In this way, their mysterious thermodynamic properties have become more understandable: focusing on predicting that these bodies have a great entropy and observing them in terms of quantum mechanics, you can describe them just like a hologram: they have two dimensions, in which gravity disappears, but they reproduce an object in three dimensions. Credit: Gerd Altmann for PIxabay

Black holes? They are like a hologram

Phys.org

How bacteria fertilize soya

Phys.org
The impact that ended the age of dinosaurs kicked up vast quantities of sulfur and other materials into the atmosphere. Image credit: Chase Stone
The impact that ended the age of dinosaurs kicked up vast quantities of sulfur and other materials into the atmosphere. Image credit: Chase Stone