
Mars, Regulus, Moon To Delight Stargazers With Beautiful Conjunction
Now, the Moon is all set to add glamour to the night sky by forming a beautiful and unique conjunction this month.
The conjunction will take place on Sunday (June 29). It will be visible from the Northern Hemisphere, as well as the Southern Hemisphere, appearing in the north-northwest.
Mars and Regulus will move away from each other. Hence, the waxing crescent Moon will have space to appear between them, forming a beautiful conjunction.
A that time, the Moon will be 4.7 days old. It will head toward its first quarter (half-moon) phase with around 24% of its surface illuminated by the Sun. It will pass close to Mars, visible low in the western sky at dusk.
The time it takes for light to travel from celestial bodies to Earth creates a fascinating delay in what we observe. For example, when we look at the Moon, we see it as it appeared 1.3 seconds ago since that's how long it takes for light to travel from the Moon's surface to our eyes.
Meanwhile, observing Mars means seeing it as it appeared 15 minutes and 57 seconds ago, due to the greater distance light must travel from the planet to Earth.
Regulus, on the other hand, is quite far. When we gaze at it, a star approximately 79 light-years away, we see it as it appeared 79 years ago. The vast distance means the light we observe today has taken nearly eight decades to reach us.
This phenomenon highlights the immense scales of space and time in the universe, reminding us that our view of the cosmos is always slightly delayed.

Try Our AI Features
Explore what Daily8 AI can do for you:
Comments
No comments yet...
Related Articles


Indian Express
37 minutes ago
- Indian Express
‘Very massive stars' shed enormous mass before collapsing into black holes: Study
'Very massive stars' or 'very luminous stars' may be emitting a significantly higher amount of material during their lifespan. A new study suggests that the immensity of these materials could be much higher than previously thought. Very luminous stars are those stars that have over 100 times the mass of the Sun. Despite having a much higher mass than the Sun, they use their nuclear fuel at a much higher rate, making their average lifespan only a few million years, at times even exhausting their fuel in a few hundred thousand years. For comparison, the Sun has existed for 4.5 billion years and is expected to live for another ten billion years. This indicates an almost fifteen billion-year lifespan, significantly longer than that of the very luminous stars. Once their nuclear fuel is exhausted, very luminous stars collapse to form black holes. A team of scientists assembled to study these stars has estimated that very luminous stars produce stellar wind that is powerful enough to blow their own outer layer into space. As per the scientists' models, stellar systems consisting of two gravitationally bound stars (also known as stellar binaries) can merge to form one very luminous star. The team also attempted to research a link between strong stellar winds and black hole population. These stars, despite their short lifespan, still influence the region around them. For instance, their powerful stellar winds can push newly formed elements into their surroundings. While most form new stars, elements key to life, such as carbon and oxygen, are also emitted. In spite of their distance from our Earth, they still bear an influence on it. These stars can be considered the predecessor to black holes. This occasionally leads to black hole binaries, where two black holes orbit around each other. These cause gravitational waves, which we then detect on Earth. Previous studies used space- and ground-based telescopes to study these stars in the Tarantula Nebula of the Large Magellanic Cloud for the first time. Several stars at the centre of the Tarantula Nebula weighed over 200 times the mass of the Sun. These stars were called 'Wolf-Rayet stars' (or WNh stars) that were at the end of their hydrogen-burning phase; hence, the stars displayed leftover hydrogen on their surface. They had an estimated temperature of 40,000 to 50,000 degrees Celsius but, as per standard models, cooled down with age. Researchers subsequently ideated a 'mass-loss recipe' to link the theory and observation. Researchers at the International School for Advanced Studies in Italy (also known as SISSA) subsequently used these studies to add to their stellar evolution code, PAdova and tRieste Stellar Evolution Code (shortened to PARSEC). They used this code to create a model for the Tarantula Nebula's stars. 'The strong winds strip away the star's outer layers, preventing it from cooling down, while maintaining the surface composition matching a WNh star. The star stays more compact and hot for longer, exactly reproducing what observations show,' researcher Kendall Shepherd was quoted as saying by The model might have given a clue to another celestial mystery: the creation of R136a1. This 1.5-million-year-old star is the most massive star known by scientists, with a mass of up to 230 times that of the Sun and a luminosity over 4.6 million times that of the Sun. The new model is suggesting two methods of R136a1's formation. It could either have been a ginormous star from birth or been the result of a colossal stellar merger (where two stars merge to form one larger star). While initially discounted, the model is now allowing for the idea of the stellar merger as a reasonable explanation for R136a1. Due to the discovery of the extent of very luminous stars' mass loss, it is discovered that they subsequently form smaller black holes after their death. These can be described as 'intermediate-mass black holes', around 100 to 10,000 times more massive than the sun, and are considered difficult to find in nature. Another notable discovery of the research is a key insight into the formation of binary black holes. Contrary to current belief, stronger stellar winds are a crucial factor for systems to develop into black hole binaries. With weaker stellar winds, it was more probable for stars to merge before becoming black holes. With more violent stellar winds, stars would be blown further apart before their death, collapse, and subsequent black hole formation. These black holes could then slowly spiral and eventually merge to form a binary black hole. While this is notable research, it was only focused on the Large Magellanic Cloud's environment. This environment has a unique chemical composition, meaning results cannot be generalisable to every system in the universe. Hence, the presumed next step will be observing and finding explanations for a selection of peculiar observed stars in other environments. (This article has been curated by Purv Ashar, who is an intern with The Indian Express)
&w=3840&q=100)

Business Standard
3 hours ago
- Business Standard
Interstellar comet 3I/ATLAS spotted: Updates on status, position and speed
A rare visitor from beyond the stars is making headlines — astronomers have confirmed the arrival of comet 3I/ATLAS, only the third known interstellar object to pass through our solar system. First spotted by astronomers on 1 July 2025, this icy wanderer is travelling at staggering speeds and offers a rare glimpse into the mysterious world beyond our Sun's reach. Spotted by the ATLAS telescope in Río Hurtado, Chile, the object's unusual, hyperbolic trajectory immediately set off alarms among astronomers. Global observations soon confirmed what many suspected: this icy wanderer didn't originate here. Now racing through space at an astonishing 60 km/s, 3I/ATLAS is currently about 670 million kilometres from the Sun and is expected to make its closest approach — still a safe 240 million kilometres from Earth — in late October 2025. Estimated to be as wide as 20 kilometres, the comet is set to offer a rare scientific opportunity, and a stunning reminder that our Solar System is not as isolated as it once seemed. How far is interstellar comet 3I/ATLAS from Earth right now? As of now, comet 3I/ATLAS (C/2025 N1) is about 509 million kilometres away from Earth. That's roughly 3.4 times the distance between Earth and the Sun. To put it in perspective, light from the comet takes about 28 minutes and 20 seconds to reach us — offering a glimpse into just how far this rare interstellar visitor truly is. When will comet 3I/ATLAS come closest to Earth? Comet 3I/ATLAS (C/2025 N1) is estimated to make its closest approach to Earth on 19 December 2025. On that day, it will still be a safe distance away — about 269 million kilometres from our planet, or roughly 1.8 times the distance between Earth and the Sun. This will be its nearest point to Earth during the entire 21st century. Where did 3I/ATLAS come from? The newly discovered interstellar object, 3I/ATLAS, is believed to have originated in a distant star system, where it was likely ejected by gravitational forces into the vast emptiness of interstellar space. After drifting for millions — possibly even billions — of years, it has finally entered our Solar System. Astronomers say it's approaching from the direction of the constellation Sagittarius, which lies near the heart of our Milky Way galaxy. When first detected, 3I/ATLAS was around 670 million kilometres from the Sun, placing it just inside Jupiter's orbit. How bright is comet 3I/ATLAS? Comet 3I/ATLAS (C/2025 N1) currently has a visual magnitude of 17.73, which makes it extremely faint. At this brightness level, it's not visible to the naked eye and can only be seen using long-exposure photography or powerful telescopes. How fast is comet 3I/ATLAS moving? Extremely fast. When it was first discovered, comet 3I/ATLAS was hurtling through space at about 137,000 miles per hour (or 221,000 kilometres per hour). That's roughly 61 kilometres per second — and it's expected to pick up even more speed as it gets closer to the Sun.


Time of India
6 hours ago
- Time of India
Elon Musk wants International Space Station retired after Donald Trump's Tax Bill allocates $1.25 billion, says: ‘It's time to focus on Mars'
has once again drawn attention to his long-term vision for space exploration by calling for the retirement of the International Space Station (ISS). On July 3, 2025, the CEO reposted a tweet outlining the space-related allocations in President 's latest tax bill, which included $1.25 billion for the ISS. Tired of too many ads? go ad free now Musk shared a pointed remark: 'It's time to retire the Space Station and focus on Mars.' The post quickly ignited debate online, with some supporting his forward-looking stance while others defended the ISS's ongoing role in science and international cooperation. The bill also provides $325 million for a safe deorbit process by 2030, acknowledging that the station's end is approaching. Why Elon Musk wants to shut down the International Space Station Musk has frequently criticized the ISS as an aging infrastructure that no longer justifies its high cost. In his view, the station's limited capabilities and growing maintenance risks outweigh its scientific value. Many of the ISS's modules are more than two decades old and were not designed to operate this long. Musk believes continued investment in the station diverts resources away from more ambitious goals, such as crewed missions to Mars. He has argued that Mars colonization is not just a dream but a necessary step for the survival of humanity, and funds should be directed toward that mission. Aging infrastructure and deorbit plans already underway has acknowledged the ISS cannot remain in orbit indefinitely. Several key systems aboard the station are nearing the end of their functional lifespan. To address this, NASA awarded SpaceX an $843 million contract to develop a U.S. Deorbit Vehicle, which will guide the ISS back to Earth in a controlled descent around 2030. The tax bill's $325 million allocation for deorbit operations reinforces that timeline. While Musk supports this transition, he suggests it should happen sooner rather than later to free up funding for next-generation missions. Tired of too many ads? go ad free now Divided response to Musk's Mars-first approach Musk's comments sparked a wave of reactions. Supporters argue that his focus on Mars is visionary and practical, given rapid advances in private space technology. They say the ISS has already delivered enormous value and it's time to invest in the next phase of space exploration. However, critics warn that phasing out the ISS too early could hinder critical microgravity research, space medicine trials, and international partnerships that still rely on the platform. Many believe a gradual shift, rather than an abrupt cutoff, is the smarter path forward.