Hubble Resources contains an unprecedented Stingray Nebula anesthetic – “This is very, very strange and very strange.”

This video shows the dramatic changes in the planet’s Nebula Hen 3 – 1357, nicknamed “Stingray Nebula”, over the past two decades, captured by NASA Hubble Space Telescope. Nebula first appeared in 1996, with bright blue fibers and ligaments in the center. Exhaust gas peaks also appear in the dark background of the universe. The 1996 portrait then shifts to Hubble 2016, showing a blurred nebula at the tip of a wave. Credits: NASA, ESA, B. Balik (University of Washington), M. Gerero (Institute de Astrophysica de Andalusia) and G. Ramos Larios (University of Guadalajara) and J. Depasquale (STScI)

The rotation of images for about 20 years shows the disappearance of the nebula

Great things take time. This is especially true when it comes to many processes in the universe. For example, building blocks of the universe takes millions of years to complete. Then many stars will live on for billions of years before they die, and they will begin to emit gas shells, which we call nebulae. It may be very rare to capture some of these processes in real time.

Fortunately for us, the Stingray Nebula, Hen 3-1357, seems to have been isolated from the population since its inception. After seeing an unusual view of Hubble Central’s final stages of life, In 1998 it was named the smallest known planetary nebula. Twenty years after the first screenshot, the Stangirai Nebula is once again attracting the attention of astronomers.

Images from 2016 show a dramatic blurred Nebula over the past two decades. Also, the gas shells surrounding the central star have changed, not as clear as before. Such changes have never been seen before.

Fading Steinray Nebula

This image compares the two distinct Stingray Nebula images taken by NASA Hubble Space Telescope for 20 years. The image on the left shows the nebula star, taken in March 1996 in a wide field and on planetary camera 2, in the final stages of his life. Compared to the nebula image to the right, which was captured using a wide field camera in January 2016, the dying star is much brighter. Stang Nebula is located in the southern hemisphere.

Astronomers have observed an abnormal glow around the aging star. Archaeological information from NASAA.D. Hubble Space Telescope For the past two decades alone, the nickname Stingray Nebula has been rapidly fading. Such rapid changes are rare in planet Nibula, say researchers.

Linn Images captured by Hubble in 2016. Compared to Hubble images in 1996, they show a nebula that significantly reduces brightness and changes shape. In the middle of the nebula, the bright blue fluorescent streams and gas fibers are gone, and the edges of the wave that received this water-based name are almost gone. The young nebula does not appear on the vast black velvet background of the universe.

In 1996, the statue of a compass nebula for a compass

Compass image for Stingra Nebula 1996. Credits: NASA, ESA, B. Balik (University of Washington), M. Gerero (Institute de Astrophysica de Andalucia) and G. Ramos Larios (University of Gudalajara)

“This is very, very strange and very unusual,” said Martin A. Guerrero, a member of the Institute de Astrophysica de Andalusia in Granada, Spain. “What we are witnessing is the evolution of Nebula in real time. Over the years, we have seen differences in Nebula. We have never seen anything like this before.

The researchers discovered unprecedented changes in nitrogen, hydrogen, and oxygen emissions from the nebula star. Oxygen emissions, in particular, decreased by about 1,000 between 1996 and 2016.

Compass image for Stangley Nebula in 2016

Compass image for Stangley Nebula In 2016. Credit: NASA, ESA, B. Balik (University of Washington), M. Gerero (Itututo Astropicica de Andalucia) and G. Ramos Larios (University of Guadalajara)

“Changes have been seen in the past, but we are here to change the structure of the nebula,” he said. University of Washington Seattle, leader of the new research. “In most studies, the nebula is usually larger. Here, he is basically changing shape and getting tired, and doing it at an unprecedented rate. Also, we are not surprised at all. Indeed, the once-brilliant inner elliptical ring seems to fade away. ”

Observations of other terrestrial nebulae show signs of changes in brightness over time, but these estimates have not yet been confirmed. Only Hubble can solve structural changes in this tiny nebula. The new paper examines each image of the Stangirai Nebula from Hubble Archives.

“We are very, very confident that this nebula is changing brightly due to Hubble optical stability,” he added. “This can only be verified by Hubble’s visual acuity.”

Stingray Nebula was born in 1996.

This image depicts the Stingray Nebula of the planet Nibula Hen 3 – 1357, captured in March 1996 by the NASA Hubble Space Telescope. Star This statue of the Tigrayan Nebula was captured at an early age, and astronomers call it the little-known planet’s nebula. The colors in this image represent the light emitted by nitrogen (red), oxygen (green), and hydrogen (blue). Credit: NASA, ESA, B. Balik (University of Washington), M. Gerero (Institute de Astrophysica de Andalusia) and G. Ramos Larios (University of Guadalajara)

Researchers say the nebula’s rapid changes are caused by a decrease in temperature by the central star SAO 244567, which in turn emits less ionizing radiation.

A study conducted by Nicole Reel at the University of Potsdam, Germany, as well as a team of international researchers and Hubble data showed that the star of the Steinray Nebula at the center of Sao 244567 was unique.

Observations from 1971 to 2002 show that the star temperature rises between 40,000 and 108,000 degrees Fahrenheit. Fahrenheit, Is ten times larger than the surface of our sun. Reynolds and her research team SAO 245567 are now showing signs of slowing down. Raydale estimates that the temperature rise was caused by a short-lived helium reaction in the shell around the center of the star. Recently, the star appears to be returning to its original state.

Stingray Nebula in 2016

This image shows the planet Nebula Hen 3 – 1357 captured by NASA Hub Space Space Telescope in January 2016. N captured by NASA Hubble Space Telescope. Linn 1996. Comparing the image, the researchers discovered an unprecedented change in the release of nitrogen (red), hydrogen (blue), and oxygen (green) in the dying star at the center of Nabula. Credit: NASA, ESA, B. Balik (University of Washington), M. Gerero (Institute de Astrophysica de Andalusia) and G. Ramos Larios (University of Guadalajara)

“We are very fortunate to have been able to observe that moment,” Rendall said. “During such a helium flash, it changes very quickly and this short evolutionary timeline shows that we often do not see how these stars are formed. We were there at the right time to catch that. ”

Only then can the Stinging Nebula team study the future of this young nebula. At present, it is estimated that the nebula will not be easily seen in 20 or 30 years.

The Hubble Space Telescope is a project of international cooperation between NASA and EAA (European Space Agency). NASA’s Godard Space Center in Greenland, Maryland, operates a telescope. The Space Telescope Science Institute (STScI) in Baltimore, Maryland, operates Hubble Science. STScI works for NASA at the University of Astronomy in Washington, DC

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