The James Webb Space Telescope (JWST) continues to provide stunning insights into the universe.
A recent image of the protostar HH30 showcases an unprecedented level of detail, thanks to JWST’s advanced infrared capabilities. First discovered by the Hubble Space Telescope (HST), HH30 is a Herbig-Haro object, a young stellar system characterized by jets of ionized gas colliding with interstellar material.
The JWST, launched on December 25, 2021, orbits the Sun at the second Lagrange point, approximately 1.5 million kilometers from Earth. With a 6.5-meter gold-coated mirror and powerful infrared instruments, it can peer through cosmic dust to study the formation of stars, galaxies, and exoplanet atmospheres.
Studying HH30 in Detail
Recently, JWST was used to observe HH30, located 450 light-years away in the constellation Taurus within the dark cloud LDN1551. At the system’s center lies a newborn star, embedded in a dense disk of gas and dust that fuels its formation. HH30’s bipolar jets, emerging at high speeds, create shock waves that heat the surrounding gas, causing it to glow in visible and infrared wavelengths.
Astronomers combined images from JWST, HST, and the Atacama Large Millimeter Array (ALMA) to examine the disk across multiple wavelengths. These observations resulted in a detailed new image, which has been named Picture of the Month.
Revealing the Structure of Planetary Formation
JWST’s infrared sensitivity enabled researchers to track sub-millimeter-sized dust grains, while ALMA provided insight into millimeter-sized grains. The findings revealed that smaller dust grains are widely distributed, whereas larger grains settle into a narrow region within the plane of the disk. This marks a key stage in planetary system formation, as dust particles begin clumping together into small rocks and eventually planets.
The study also uncovered intricate structural details within HH30. A high-velocity jet emerges from the central disk, surrounded by a broader, cone-shaped gas outflow. These observations not only enhance our understanding of exoplanetary system formation but also provide valuable insights into the origins of our own Solar System.
Preparations for Vladimir Putin’s upcoming visit to Kazakhstan were a central focus of talks in Astana between President Kassym-Jomart Tokaye...
An international youth forum titled “Strengthening the Role of Youth in the Postcolonial Era” opened in Baku on 1 May, bringing togethe...
A senior U.S. administration official says a ceasefire agreed with Iran in early April has effectively ended hostilities for an imminent congressio...
A Pentagon official provided the first official estimate of the cost of the U.S. war in Iran on Wednesday (29 April), telling lawmakers that $25 bi...
Hundreds of protesters and emergency services clashed in a remote Northern Territory town overnight following the arrest of a man suspected of abdu...
The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so strong not even light can escape.
esearchers from Istanbul University and Akdeniz University have uncovered surprising details about the CN Lyn star system that defy established models of star formation.
A report published by Minval Politika has raised new questions over alleged efforts by Luis Moreno Ocampo to shape international pressure against Azerbaijan and influence political dynamics around Armenia.
A Pentagon official provided the first official estimate of the cost of the U.S. war in Iran on Wednesday (29 April), telling lawmakers that $25 billion had so far been spent on the conflict, most of it on munitions. Earlier, Donald Trump said that the U.S. had "militarily defeated" Tehran.
Iran’s Supreme Leader Mojtaba Khamenei warned “foreigners who commit evil” have no place in the Gulf, outlining a “new phase” for the Strait of Hormuz, while a senior adviser said U.S. blockade efforts would fail and could trigger confrontation.
Shares in Meta Platforms fell sharply in extended trading on Wednesday after the tech giant raised its annual capital spending forecast by billions of dollars.
A senior U.S. administration official says a ceasefire agreed with Iran in early April has effectively ended hostilities for an imminent congressional war powers 1 May deadline, arguing that the absence of any military exchanges for more than three weeks removes the need for further authorisation.
A 45-year-old man has been charged with attempting to kill two Jewish men in London on Wednesday (29 April).
At a moment when the trade relationship between the world’s two largest economies remains deeply strained, senior officials from Beijing and Washington have resumed direct talks.
Hundreds of protesters and emergency services clashed in a remote Northern Territory town overnight following the arrest of a man suspected of abducting and murdering a five-year-old Indigenous girl, police confirmed on Friday.
A fresh Ukrainian drone strike on Russia’s vital Black Sea port of Tuapse has sparked a massive fire at the sea terminal, local officials confirmed early on Friday.
U.S. passenger air services to Venezuela resumed on Thursday (30 April), as an American Airlines flight landed in Caracas, restoring a commercial link between the two countries after seven years.
You can download the AnewZ application from Play Store and the App Store.
What is your opinion on this topic?
Leave the first comment