In the astrosphere of HD 61005, NASA’s Chandra observes a “young sun” blowing bubbles with dust wings resembling moths.
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Astronomers have noticed something unusual. A star, resembling our Sun in its youth, is creating a bubble in space. The star, called HD 61005, is about 120 light years away from Earth. At first glance this seems normal. Same mass as the Sun, same temperature. But it is only about 100 million years old. This makes it a teen in stellar terms. NASA’s Chandra experts say it provides a rare glimpse of what the early Sun’s atmosphere might have looked like. And it’s not just a bubble. It has wings of dusty debris, giving it a “moth-like” shape. The discovery reportedly took decades of searching and precise imaging. Chandra’s X-ray vision, combined with infrared and optical data, allowed scientists to see the star and its surrounding bubbles in unprecedented detail. Observers say it’s almost like watching a young Sun at play.
NASA reveals HD 61005’s vast astrosphere and its dusty plume
The astrosphere around HD 61005 is vast. Approximately 200 times the distance from Earth to the Sun. The winds coming from the star’s surface are three times stronger and 25 times denser than those of our Sun today. They blow hot gas into the surrounding space, creating a bubble shape. Scientists say it could also be like the heliosphere, the bubble that our Sun forms around itself. The dusty plumes trailing behind the star make it look like a moth, which is why astronomers have nicknamed it. Infrared data show that as the star rotates through space, material moves backward. It feels delicate but incredibly moving. This stellar object is almost a young star with personality.
Researchers uncover HD 61005’s astrosphere with Chandra’s X-ray imaging
Researchers have been exploring astrospheres around Sun-like stars since the 1990s. Chandra’s high-resolution X-ray imaging eventually made this possible. The proximity of HD 61005 and the dense interstellar matter surrounding it were important. The matter around it is about a thousand times more dense than that near the Sun. The team led by Casey Liese at Johns Hopkins University examined the star’s X-ray emissions. They could see where the stellar wind interacted with cold gas and dust. It’s reportedly a spectacular sight, with bright X-rays at the centre, plumes of infrared light extending outward, and a wide optical field of view showing nearby stars.
Inside the Astrosphere of HD 61005
HD 61005 gives a glimpse of our Sun’s youth. The winds, debris, and astrosphere give clues to what our solar system may have experienced billions of years ago. Scientists say the data could help understand how planets and atmospheres were formed. The star’s activity appears intense, yet there is a strange balance with the surrounding space.
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