Webb Marks 3rd Anniversary with Stunning Cat Paw Star Photos

To celebrate the remarkable advancements in science during the third year, astronomers have utilized the NASA/ESA/CSA James Webb Space Telescope to capture images of the Cat’s Paw Nebula.



This web image depicts the Cat’s Paw Nebula, a significant star-forming region located 5,500 light years from the constellation Scorpio. Image credits: NASA/ESA/CSA/STSCI.

The Cat’s Paw Nebula resides in the southern constellation of Scorpio and is approximately 5,500 light years from Earth.

First identified in 1837 by British astronomer John Herschel, this dynamic star-forming region spans an estimated 80 to 90 light years.

Also known as NGC 6334 or the Bear Claw Nebula, it is one of the most vibrant stellar nurseries in the night sky, producing thousands of young, hot stars that emit light not visible from our perspective.

Recent images captured by Webb’s NIRCam instrument reveal structural details and functionalities previously unseen.

“Massive young stars are actively interacting with nearby gas and dust, and their bright stellar light produces a luminous, hazy glow, represented in blue,” Webb astronomers stated.

“This scenario illustrates a transient period where a destructive young star plays a significant role in the broader narrative of the region, characterized by relatively short lifespans and high luminosity.”

“Due to the dynamic activities of these massive stars, the local star formation process will eventually come to a halt.”

“We begin with a central area identified as the ‘opera house’ because of its hierarchical circulatory structure,” they noted.

“The principal sources of the blue glow in this area are likely positioned towards the bottom, obscured by dense brown dust, interspersed with light from bright, yellowish stars or nearby sources.”

“Beneath the orange-brown dust lies a bright yellow star displaying distinct diffraction spikes.”

“This giant star is sculpting its surrounding environment but has not managed to push gas and dust away sufficiently nor create a compact shell of surrounding material.”

“Take note of smaller regions, such as the tuning fork-shaped area adjacent to the opera house, which contains fewer stars.”

“These seemingly vacant zones are still in the process of forming stars, indicating the presence of dense filaments of dust that obscure the light of background stars.”

At the center of the image, small, fiery red masses can be seen scattered within the brown dust.

“These glowing red sources highlight areas where large-scale star formation is occurring, albeit in a less visible manner,” the researchers explained.

“Some of the blue-white stars, particularly in the lower left area, appear more sharply resolved than others.”

“This sharper appearance is attributed to the material between the star and the telescope being diffused by the star’s radiation.”

Near the bottom of this area is a compact dust filament.

“These small dust aggregates have managed to survive the intense radiation, indicating they are dense enough to give rise to protostars.”

The small yellow section on the right marks the location of a massive star still in its formative stages, managing to shine through the intervening material.

Numerous small yellow stars are scattered across the scene, displaying distinct diffraction spikes.

“The bright blue-white stars prominently feature in the foreground of this web image, with some possibly being part of the larger Cat’s Paw Nebula region.”

A particularly striking feature of this web image is the bright red-orange oval shape located in the top right corner.

The low concentration of background stars indicates it is a dense area where the star-forming process has only recently commenced.

Several visible stars are distributed throughout the region, contributing to the illumination of central materials.

Some of the developing stars have left behind traces of their existence, such as the shock wave visible in the lower left area.

Source: www.sci.news

Locating the Quadriids Meteor Shower for January 3rd and 4th, 2024

Quadrantid meteor shower “Fireball” in Tres Piedras, New Mexico, January 2020

Mike Lewinsky CC BY 2.0 DEED

The first major meteor shower of the year will begin tonight and tomorrow, peaking in the early morning hours of January 4th, Greenwich Mean Time (GMT). This meteor shower, known as the “Subungid meteor shower,'' is one of the most active meteor showers of the year.

At its peak, up to 110 meteors can be observed per hour, and the phenomenon is often associated with particularly bright meteors called bolides.

This year's waxing moon means you might be able to see as many as 110 meteors due to the moonlight getting in the way, but if the skies are clear, it's still worth seeing.

When is the Quadrant Meteor Shower?

The current Shibungid meteor shower began on December 28th, but was visible to some people on January 3rd and peaked just before 1 a.m. Japan time on January 4th, making this phenomenon a small phenomenon. It is expected to last 6 hours.

Where can I observe the Squirrel meteor shower?

The Quadriids meteor shower is best viewed from the Northern Hemisphere. If the sky is clear, try to go outside after midnight to avoid light pollution.

From the Southern Hemisphere, you are less likely to see the Quadriids meteor shower. Because its peak occurs after sunrise. But lucky viewers might be able to spot some photos in the hours before sunrise on January 4th.

How to observe the Shibungid meteor shower

You don't need any special equipment to view the meteor shower. Be sure to pack something to keep yourself warm, lie down, look at the sky, and wait for the meteors to appear.

Like all meteor showers, the Cybungid meteor shower is named after the constellation from which the meteors appear to come from the sky. In this case, it is an old constellation called “Quadrans Muralis” in his 1800s, when the shower was discovered. Now, this part of the sky is part of the constellation Boes.

You don't need to be able to find the constellation Boes to see the meteor shower, but if you want to know where it is, you can find it at its brightest star called Arcturus. First, find the Plow or Big Dipper and look at the row of stars that form its handle.

Continuing along the arc of this curve, you will reach a bright star visible near the eastern horizon around midnight. Remember this technique by thinking of “Ark to Arcturus”.

What is a meteor shower?

Meteors are flashes of light that move quickly across the night sky, sometimes with a trail behind them. They are produced when pieces of dust and debris enter the Earth's atmosphere and burn up.

Although this happens all the time, meteor showers are the peak in the number of visible meteors. They occur when Earth's orbit brings it into large chunks of debris left behind by comets and asteroids. In particular, the origin of the quadrant basin is 2003 Asteroid called EH1.

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Source: www.newscientist.com