The sky (no) is the limit. See Venus, Earth and Mars; Mystery on Jupiter and more!

The sky (no) is the limit.  See Venus, Earth and Mars;  Mystery on Jupiter and more!

Another week is coming to an end, so it’s time to top the space news that has been the most “hot” in the last few days. With weekly summary of Canaltech, You are well informed within a few minutes of reading, as we select the most interesting topics and explain what is happening in a few lines, straight to the point.

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Orbiter Solar Probe Films Venus, Earth and Mars

Launched into space to study the Sun, the Solar Orbiter spacecraft managed to make an incredible shot: it recorded Venus, Earth, and Mars in a video, with many stars visible in the background. Venus, which was 48 million kilometers from the solar orbiter, is the brightest object in the images. On the other hand, our planet was 251 million kilometers, while Mars was over 300 million kilometers – the sun was out of the picture.

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Juno’s investigation uncovers ancient mystery about Jupiter

a NASA The Galileo probe was launched in Jupiter’s orbit in 30 years before arriving there in 1995. Mission data showed that the planet’s atmosphere was drier, denser and warmer than expected, which has surprised scientists ever since. Now, analyzing the data of the Juno spacecraft, which has been around Jupiter since 2016, scientists may have solved the mystery: In fact, the Jovian atmosphere has huge “hot pockets”, which form the planet’s entire equatorial belt. , And it was possible to understand the reactions occurring there to justify the driver, density, and hot characteristics observed by Galileo.

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There is more information about this here.

Wormhole in the center of active galaxies?

How to imagine the shape of a symmetrical wormhole (Image: Reproduction / Federico.ciccarese / Wikimedia Commons / Alan Dressen)

Wormholes are still imaginary space shortcuts. Through these structures, one imagines that it would be possible for a ship to travel to very distant places in space in minutes. Science has not yet found any worms to prove they exist, but Russian astronomers have an idea of ​​where to look for them: in the center of active galaxies.

The hypothesis is bold because scientists have already reached a consensus that galactic centers are home to supermassive black holes, and there are very frequent observations that support this idea. But for this Russian team, wormholes may be in the center of some very bright galaxies, which emit gamma rays differently from black hole emissions. Then it will be possible to distinguish them in space observations.

By clicking here, you can read more about it.

The climate of ancient Mars must have been like Iceland.

Typhoon Crater (Image: Reproduction / NASA)

In recent years, almost indisputably evidence has been found that Mars holds liquid water on its surface for billions of years. For this reason, the planet is warmer than it is today, to the point that water remains in a liquid state. But it could be that the red planet was not hot at all, with more Iceland-like climate – neither too hot nor too cold.

This is what scientists have concluded, analyzing the data obtained by Curiosity Rover in large-scale and compact sedimentary rocks, called argillites. The most recent sedimentary rocks found in the Gayle Crater, where the rover is located, are about 3 billion years old or older, and the minerals there show little evidence of changes. This indicates that there was not much water flowing into that area for that long period, so it is difficult to imagine a tropical landscape in Mars’s past, with abundant water moving through the planet as we Tropical regions of the Earth. To draw a parallel with the climate of Iceland, the team compared the mineralogical characteristics of the two locations, finding similarities.

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In this case you will get more information about the study.

The asteroid will keep an eye on Bennu before leaving OSIRIS-REX

After collecting samples from the surface of the asteroid Bennu, the OSIRIS-REX probe is preparing to bring the material to Earth, launching a return maneuver in May this year. But NASA plans a final overflow of the object to see how the probe’s contact with the surface has changed the location from where the samples were collected. In addition, it will be a new opportunity to take updated pictures of Bennu, which could provide even more discovery than the 2019 record.

Learn more about it; click here.

Venus may “disguise” phosphine sulfur dioxide

(Image: Reproduction / NASA / JPL-Caltech / Peter Rubin)

Since the detection of phosphine in the Venusian atmosphere was announced in September last year, the topic has been growing. Ultimately, phosphine can be a bio-signature, produced by living beings. And, even if there are non-biological processes that produce phosphine, there would still be no explanation of its presence in Venus’ clouds.

Therefore, other studies have questioned the interpretation of data from preliminary studies, with some saying that there is also phosphine, but in very small amounts, while others concluded that the observed phosphine would, in fact, be a failure to interpret. the figure.

Now, new studies are appearing “putting firewood on fire”: according to them, phosphine from Venus may actually be just sulfur dioxide. The fact that phosphine and sulfur dioxide can absorb radio waves at frequencies very close to each other creates confusion when interpreting chemical elements through the electromagnetic spectrum – as was done in the initial study.

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About the author: Raven Weber

Musicaholic. Unapologetic alcohol maven. Social media expert. Award-winning coffee evangelist. Typical thinker.

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