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.
At least 11 people were killed in Israeli strikes on southern Lebanon on Saturday, among the deadliest since a June ceasefire. Meanwhile, Qatar den...
Twelve people have died and at least 10 others were injured after a Polish-registered bus overturned on a motorway in eastern Hungary, officials sa...
North Korean leader Kim Jong Un reaffirmed the deepening of ties with Russia in a message to President Vladimir Pu...
Wildfires across England and Wales have reached their highest level on record, according to the National Fire Chiefs Council, as firefighters struggle to contain outbreaks following a spell of extreme heat.
The U.S. will impose unprecedented measures on Iran in order to economically isolate the country, U.S. Treasury Secretary Scott Bessent has said.
U.S. President Donald Trump's threats to make the Strait of Hormuz part of U.S. territory have been mocked by Iran's Deputy Foreign Minister, Kazem Gharibabadi, who said the sea passage "cannot be seized by tweet."
At least 47 people have been killed after a magnitude 7.7 earthquake struck off eastern Indonesia early on Saturday, triggering small tsunami waves and dozens of aftershocks, officials say.
Iran says the U.S. war and military presence in the region have worsened marine pollution around the Strait of Hormuz, calling for environmental protection to form part of future arrangements governing the strategic waterway.
Twelve people have died and at least 10 others were injured after a Polish-registered bus overturned on a motorway in eastern Hungary, officials said.
North Korean leader Kim Jong Un reaffirmed the deepening of ties with Russia in a message to President Vladimir Putin as Pyongyang marked the anniversary of independence from Japan's colonial rule, KCNA state news agency said on Sunday.
Australia's New South Wales state will start a gun buyback in November, Prime Minister Anthony Albanese said on Sunday, part of the national response to a shooting spree that killed 15 at a Jewish festival in Sydney, the state capital.
A Spanish F-18 fighter jet pilot on a NATO air policing mission shot down a drone illegally breaching Romanian national airspace, the fourth unmanned aircraft the country has shot down this year, Romania's Defence Ministry said on Sunday.
Russian forces launched a missile attack on Kyiv early on Sunday, sparking fires in at least two districts of Ukraine's capital, Mayor Vitali Klitschko said.
You can download the AnewZ application from Play Store and the App Store.
What is your opinion on this topic?
Leave the first comment