Global Statistics

All countries
232,244,574
Confirmed
Updated on September 26, 2021 12:04 am
All countries
207,131,267
Recovered
Updated on September 26, 2021 12:04 am
All countries
4,756,459
Deaths
Updated on September 26, 2021 12:04 am

Global Statistics

All countries
232,244,574
Confirmed
Updated on September 26, 2021 12:04 am
All countries
207,131,267
Recovered
Updated on September 26, 2021 12:04 am
All countries
4,756,459
Deaths
Updated on September 26, 2021 12:04 am
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New Mars Phobos Moon Express Captured By Mars Express

New Mars Phobos Moon Express captured by Mars Express, ESA’s New Mars Phobos Moon Express Orbiter made an overflight close to Phobos, the largest and innermost part of the two natural satellites on Mars. ESA’s Mars Express Orbiter made an overflight close to Phobos, the largest and innermost part of the two natural satellites on Mars.

New Mars Phobos Moon Express

The probe tracked Phobos as small moons passed in front of the spacecraft’s high-resolution stereo camera, capturing Phobos’ movements and surface details. Phobos is an unusual satellite, closer to your planet than any other moon in the solar system. It orbits Mars about 6,000 km (3,700 miles) below the surface and completes an orbit in just 7 hours and 39 minutes.

The moon has dimensions and a very bright appearance. Craters and grooves on its surface also impact. Several of these craters, created as Phobos, were struck by small bodies and rocky debris during their journey through space, can be seen in new images of the Mars Express. Members of the Mars Express team declared.

dark grooves or scratches

The biggest of them is the Stickney Crater, which can be seen towards the center of the frame and is 10 km (6.2 miles) away. There are also visible linear markings and lots that resemble long, dark grooves or scratches. The origin of these characteristics is uncertain.

They may have been recorded by debris that rolled through the lunar surface or were created because the moon was dragged in different directions by the tidal forces driven by its planet. These new images show Phobos in multiple angles (it can be seen rotating and lightening slowly before it gets dark again), and they are very useful for scientists.

New Mars Phobos Moon Express

Different shadows are cast as the position of the sun changes in relation to the objective object. It illuminates and exposes the characteristics of the surface and allows the calculation of the height, depth and relief of the installation, and the roughness of the material of the surface, It tells a lot about porosity and reflectivity, the researchers said.

A phase angle of zero degrees occurs when the sun is directly behind the observer. In this alignment, the light vertically strikes the entire surface of the illuminated phobes and is reflected again in the mass space such that the objective object is clearly illuminated, as seen in the animation.

This arrangement of the Sun, Mars Express and Phobos where the latter is seen at a phase angle of almost zero is very rare and occurs only three times a year. There will be no other opportunities to obtain a phase angle of less than one until April and September 2020.

Phobos while flying

In this way, the Mars Express takes every opportunity to look at this small and intriguing moon from this angle, to examine its properties, behavior, potential origins, orbital characteristics and its potential as a space and mission destination in space. Mars Express takes photos of Phobos while flying: ESA Mars Express orbiter Martian Moon is no stranger to Phobos.

The spacecraft was launched in June 2003 and orbited Mars for 16 years. During his long time on Mars, he captured detailed images of Phobos and helped discover some of the moon’s secrets. In a new sequence of 41 images captured during a recent overflight, the Mars Express high-resolution stereo camera mimicked the phobes from different angles, capturing images of the characteristics of the lunar surface, including the sticky crater Es.

Phobos is an unusual moon. (Is there any commoner?) It is closer to your planet than any other planet in the solar system, the Moon. It is only 6,000 km (3,700 miles) above the surface of Mars, and completes an orbit in less time than is necessary to rotate Mars. Phobos travels so fast that it rises and settles on Mars twice a day. In the new sequence of images launched by ESA.

Phobos shines

The moon rotates slowly, giving us a spectacular view of its well-lit surface, just 2400 km (1500 miles) from the small moon observed as an orbit. Due to the movement of the Mars Express orbiter, the phobes slowly move up and down the sequence. The video also shows Phobos going through the stages. Initially, Phobos shines, the phase angle between the Sun.

Phobos and the orbiter becomes almost zero. The moon turns black again as the phase angle increases to 15… At the zero phase angle, Phobos is extremely bright, and this zero degree angle is rare. This can happen at most three times a year and is a perfect opportunity to study the surface. According to ESA, this will happen next time in 2020.

New Mars Phobos Moon Express

In the graph marked is the angle between a light source (in this case, the Sun) and the observer (Mars Express), as seen from the objective object (Phobos). In the Phobos movie, the initial phase angle is 17 degrees (A), it moves halfway to almost zero degrees (when Phobos is at its brightest point, B), and then 15 degrees at the end of the animation. It rises to (B). Phobos is small.

It has only about 11 km (7 miles) of radius and has an irregular shape, often described as “potato-shaped.” Its dominant feature is the stickney crater and strange linear grooves that run along the lunar surface. Some scientists think that craters and grooves are part of the same phenomenon. The effect that Stickney produced loosened the pillars, which rolled on the surface, forming grooves as we can see in the images.

the mysterious grooves

The Viking 1 orbiter captured this image of Phobos in 1977. Stickney’s crater is on the left, and the mysterious grooves can be seen moving horizontally. The origins of Phobos are uncertain, as is his brother Demos. Some think they have captured asteroids from the main belt, instead of the moons that make them “in situ” like the Earth’s moon.

But both orbit the Moon near the equator of the Moon’s orbit. If they were captured in the asteroid. An elliptical orbit would be expected. Some mechanisms may have served to bring the moons to their existing circular orbit, perhaps pulling them or by tidal forces. But it is not clear if there is enough time for this to happen, especially in the case of Deimos or long after the moon is formed, the moon can run out of secondary material.

In the third scenario, Phobos and Deimos may be the only two remaining bodies, which arise from a collision between Mars and another protoplanetary object. But although its origins are not clear, Phobos’s disappearance is quite certain. The gravity of Mars is slowing Phobos and bringing him closer. Every century, it moves about two meters to the planet.

New Mars Phobos Moon Express

In approximately 30 to 50 million years, Phobos will break into pieces and can also form a debris ring around Mars that can last millions of years. In regards to the Mars Express Orbiter, it already completes more than 5,000 classes and makes a long list of discoveries. New Mars Phobos Moon Express captured by Mars Express.

On November 17, 2019, ESA’s Mars Express Orbiter made an overflight near Fobos, the largest and innermost part of the two natural Mars satellites. The probe tracked Phobos as small moons passed in front of the spacecraft’s high-resolution stereo camera, capturing Phobos’ movements and surface details. Phobos is an unusual satellite, closer to your planet than any other moon in the solar system.

It orbits Mars about 6,000 km (3,700 miles) below the surface and completes an orbit in just 7 hours and 39 minutes. The moon has dimensions of 26 x 22 x 18 km (16.2 x 13.7 x 11.2 miles) and has a very bright appearance. Craters and grooves on its surface also impact. Several of these craters, created as Phobos, were struck by small bodies and rocky debris during their journey through space, can be seen in new images of the Mars Express.

Members of the Mars Express team declared:

The biggest of them is the Stickney Crater, which can be seen towards the center of the frame and is 10 km (6.2 miles) away. There are also visible linear markings and lots that resemble long, dark grooves or scratches. The origin of these characteristics is uncertain: they may have been recorded by debris that rolled through the lunar surface or were created because the moon was dragged in different directions by the tidal forces driven by its parent planet.

These new images show Phobos in multiple angles (it can be seen rotating and lightening slowly before it gets dark again), and they are very useful for scientists. Different shadows are cast as the position of the sun changes in relation to the objective object. It illuminates and exposes the characteristics of the surface and allows the calculation of the height, depth and relief of the installation, and the roughness of the material of the surface, It tells a lot about porosity and reflectivity, the researchers said.

illuminated phobos

A phase angle of zero degrees occurs when the sun is directly behind the observer. In this alignment, the light vertically strikes the entire surface of the illuminated phobos and is reflected again in the mass space such that the objective object is clearly illuminated and as seen in the animation and the lowest phase angle in this animation is not exactly zero, but it is 0.92 degrees.

This arrangement of the Sun, Mars Express and Phobos, where the latter is seen at a phase angle of almost zero, is very rare and occurs only three times a year. There will be no other possibilities of achieving a phase angle of less than one until April and September 2020. Therefore, the Mars Express takes the opportunity to look at this small and tangled moon from this angle, to shed light on its properties, behavior, potential origin, orbital characteristics and location in space and its potential as a mission destination. To investigate.

Phobos is an unusual satellite, closer to your planet than any other moon in the solar system. It orbits Mars at a distance of 6,000 km (3,700 miles) from the surface and completes an orbit in just 7 hours and 39 minutes. Many of these craters, created as phobias that collided with small objects and rocky debris while traveling in space, can be seen in new images of the Mars Express. Mars Express team members said: “The biggest of them is the Stickney Crater.

Mars Express

Which can be seen towards the center of the frame and is 10 km (6.2 miles) away.” There are also visible linear marks and many grooves that resemble long, dark grooves or scratches. The origin of these characteristics is uncertain: they may have been carved out of debris or created on the lunar surface because the moon was dragged in different directions by the tidal forces driven by its parent planet.

These new images show Phobos in multiple angles (it can be seen turning and turning black again before gradually becoming clearer), and they are very useful for scientists. Different shadows are projected as the position of the sun changes in relation to the objective object. It illuminates and exposes the characteristics of the surface and allows the calculation of the height, depth and relief of the characteristic, and the roughness of the material of the surface, It tells a lot about porosity and reflectivity, the researchers said.

A phase angle of zero degrees occurs when the sun is directly behind the observer. In this alignment, all the light-illuminated phobes strike the surface vertically and, therefore, are reflected again in the mass in the space, causing the target object to shine clearly, as seen in the animation. The lowest phase angle in this animation is not exactly zero, but it is 0.92 degrees. This arrangement, that of the Sun, Mars Express and Phobos, where the latter is seen at a zero phase angle, is very rare and occurs only three times a year.

There will be no other opportunities to obtain a phase angle of less than one until April and September 2020. In this way, Mars Express looks at this small and intriguing moon from this angle, to shed light on its properties, behavior, potential origins, orbital characteristics and location in space and to examine its potential as a mission destination.

XMM-Newton detects the dwarf X-ray
XMM-Newton detects the dwarf X-ray

XMM-Newton detects the dwarf X-ray superfilar of high school, using data from the European Photon Imaging Chamber (EPIC) at the ESA XMM-Newton X-ray Observatory. At the ESA XMM-Newton X-ray Observatory using data from the European Photon Imaging Chamber (EPIC).

dwarf X-ray

Astronomers have detected for the first time a powerful X-ray flare of an ultrafresh spectral-class dwarf L. 3XMM J033158 .9-27392525 (hereinafter J0331-27). The asteroid is about 783 light years away. Within minutes, it receives 10 times more energy from the Sun, which is the most intense flare.

The impression of an artist of the star of El Dwarf, a star with a mass so low that it is actually above the threshold of being a star, was caught in the act of emitting a massive super X-ray flare, as in XMM – from ESA. X-ray space observatory detected by Newton. Flares are emitted when the magnetic field in a star’s atmosphere becomes unstable and collapses in a simple configuration.

In this process, it releases a large part of the energy that has been stored in it. This explosive release of energy suddenly illuminates the glow and this is where the new comments present their greatest enigma. This is the most interesting scientific part of the discovery.

Because we did not expect dwarf stars L to give rise to such outbreaks to store enough energy in their magnetic fields, said Dr. Astronomer, an institute of the institute. Beat Stelzer said und Astrophysik Tübingen and INAF Osservatorio Astronomico di Palermo.

temperature environments

Energy can only be placed in a star’s magnetic field by charged particles, also known as ionized materials and produced in high temperature environments. However, as a dwarf, J0331-27 has a low surface temperature of only 2,100 K for a star compared to approximately 6,000 K in the Sun.

Astronomers did not think that such a low temperature would be able to produce enough charged particles to feed so much energy in a magnetic field. So is Candram: How is a super flare possible on such a star? This is a good question. We only know that nobody knows, dr. Beat said.

Understanding the similarities and differences between this new superflare and so far unique in the dwarf and flares observed earlier, it is now a priority for the team, which is found in all wavelengths in stars of great mass. But to do this, they need to find more examples. The burning stars more frequently release less energy each time.

While they rarely release El dwarf energy, but again it is a really big event. Why this may be the case remains an open question that needs more research. The discovery of this Superflare The Dwarf is a great example of research based on the XMM-Newton collection. Which demonstrates the vast scientific potential of the mission.

XMM-Newton Project Scientist

I look forward to the next surprise, XMM-Newton Project Scientist for ESA. Norbert Shorttel Dr. said. The star is high energy, the little sun will surprise scientists. A SMALL STAR, with a mass equal to eight percent of our Sun, was observed to have a very intense (or intense) X-ray flare.

That star is high energy, the little sun will surprise scientists. A SMALL STAR, with a mass equal to eight percent of our Sun, was observed to have a very intense (or intense) X-ray flare. The star, known as J0331-27, belongs to the category of brown-square dwarf L. Its mass is sufficient to trigger only those nuclear reactions that produce the emitted energy.

The discovery by a team led by researchers from the National Institute of Astrophysics, thanks to observations from Essa’s XMM-Newton space telescope, surprised the scientific community. Also important in this case, the contribution of Enaf Palermo to the investigation. Until now, no one thought that high-energy explosions could be so powerful that they could be caused by a star of such a small mass.

XMM-Newton radiography

The brightness of the X-rays produced by J0331-27 was seen on July 5, 2008 from the Epic (European Photon Imaging Camera) written on the blackboard of the observatory for XMM-Newton radiography. Within a few minutes, the smallest star has released ten times more energy than the most intense flares emanating from the Sun.

Current theories indicate that triggers are triggered by the sudden release of magnetic energy generated within the star. This causes the charged particles to heat the plasma on the star surfaces, releasing this large amount of radiation in the optical and ultraviolet systems, and in the X-ray process you release a large amount of energy stored in the star.

It is precisely in this regard that new observations have made the puzzle the largest for scientists, as they did not expect the dwarf for the brown L to store enough energy in its magnetic fields to produce explosions of this magnitude. Giving birth to The reason for this is that energy can only be placed in a star’s magnetic field by charged particles, also known as ionized matter.

high-temperature environments

This material is made in high-temperature environments, but J0331-27. The class for which the temperature is too low for a star, is only 2,100 Kelvin (compared to 6,000 Kelvin from the Sun). At these temperatures, it was thought that it was not possible to generate charged particles, enough to feed as much energy into the magnetic field.

Beit Stelzer from the Institute of Astronomy and Astrophysics at the University of Tübingen in Germany says: “This is the most scientifically interesting discovery, and now it is applied at Inaf Palermo. The researcher is on the team he studied, which is astronomy and astronomy Posted in Physics magazine. How is it possible, then, that a star is so cold that it is capable of causing such a flash?

There is still a definitive answer to this question. Only one flare was recorded in J0331-27, even though the star observed Axum Newton for a total of 3.5 million seconds, which is about a thousand hours. It seems like the fact that an L-class brown dwarf uses more than one star to accumulate energy, which is then suddenly released with a large magnitude, says Stelzer.

XMM-Newton’s vast catalog

The framework of the project by analyzing XMM-Newton’s vast catalog of nearly 400,000 X-ray sources, funded by Xtra. The European Union, and coordinated by Andrea de Luca, Inaf, Milan. The team, in search of special phenomena, has found “bread with J0331-27” for their teeth.

Similar to this, it was observed that some stars have a very powerful flare in the visible radiation band. But this is the first detection of the disparity. A super flare wavelength is important in X-rays because it indicates which region of the star’s atmosphere the super flare is coming from.

Light in the optical range comes from the deepest layers of the star’s atmosphere, from the area around its visible surface, while X-rays are generated in the highest region of the atmosphere. Understanding the similarities and differences between this new super style and what was seen previously is now a priority for the team.

But to do this, the key is to find other similar events. There’s still a lot to discover in the archives, says De Luca, in a sense, I think it’s the tip of the iceberg. The Republic will always fight against its readers and against all those who have principles of democracy and civil coexistence in defense of freedom of information. The findings were published in the Journal Astronomy and Astrophysics.

New Mars Phobos Moon Express
New Mars Phobos Moon Express

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