logo
Cosmic smiley face: How to watch the Moon, Venus, and Saturn align this week

Cosmic smiley face: How to watch the Moon, Venus, and Saturn align this week

India Today25-04-2025

Skygazers are in for a cosmic treat this week as the Moon aligns with Venus and Saturn to form a celestial 'smiley face' in the early morning sky. The rare alignment is set to occur just before sunrise on Friday, April 25, and will be visible for only a brief period.According to the astronomy news site EarthSky, the event will be visible approximately 30 to 40 minutes before dawn. A thin waning crescent Moon will appear to the left of bright Venus and much dimmer Saturn. The three objects will look like a skewed smiley face shining in the eastern sky.advertisementTo capture this elusive formation, observers have to pray for clear weather. Clouds or fog may block the view. While Venus and the Moon will be easily visible to the naked eye, Saturn's faint light may require binoculars or a telescope to see.
Observers are cautioned not to look directly at the Sun during sunrise, as the intense glare can cause permanent eye damage. Experts advise careful timing and, if needed, the use of appropriate safety equipment.Supermoon ComingAccording to USA Today, Coming on the heels of the smiley face alignment, another celestial event is to occur on Sunday, April 27 — the nearest new supermoon of 2025. Throughout this occurrence, the moon will pass by Earth at a mere 221,917 miles, just about 17,000 miles closer than its norm. Although, it is so close, the new moon will not be visible from Earth, as opposed to its full moon sibling, which usually illuminates the heavens.advertisementFollowing the smiley face alignment, another celestial event will take place on Sunday, April 27 — the closest new supermoon of 2025. During this event, the Moon will pass just 221,917 miles from Earth, roughly 17,000 miles closer than average. However, because it is a new moon, it won't be visible from Earth unlike the more radiant full supermoons.Also Read: Will we ever see it again? Green Comet SWAN likely destroyedMust Watch

Orange background

Try Our AI Features

Explore what Daily8 AI can do for you:

Comments

No comments yet...

Related Articles

Scientists reveal the sharpest-ever images of the sun's surface
Scientists reveal the sharpest-ever images of the sun's surface

Time of India

time2 hours ago

  • Time of India

Scientists reveal the sharpest-ever images of the sun's surface

We can't gaze closely in the direction of the sun, can we? Well, we could just now with this innovation. Courtesy of this breakthrough new camera devised at the Vacuum Tower Telescope in Tenerife. Tired of too many ads? go ad free now In a breakthrough in solar astronomy, astronomers have achieved a historic feat by taking the most precise images ever of the Sun. This has been made possible through the pairing of a highly advanced new camera system with the Vacuum Tower Telescope (VTT) at the Teide Observatory on the Spanish island of Tenerife. The Vacuum Tower Telescope has been in use since 1988 and is famous for its significant discoveries in solar physics. But this technological upgrade has tremendously expanded its reach. The state-of-the-art camera system can take 100 rapid, short-exposure images at 25 frames per second. All of them have a resolution of 8,000 by 6,000 pixels, far beyond what any of the modern ground-based solar telescopes can manage. Unprecedented image detail These short exposure photos are not just issues of speed and breadth; they are subsequently processed using impeccable image restoration techniques in order to reduce distortions caused by Earth's atmosphere. The result is a single ultra-high-resolution image that is able to capture details on the surface of the Sun as little as 100 kilometers in size, a resolution level that allows scientists to peer deep into the inner mechanisms of solar activity as never before. Perhaps the most stunning aspect of this achievement is the extent of coverage. The VTT's new apparatus allows it to image a region about 200,000 kilometers across — about one-seventh of the Sun's full diameter. Tired of too many ads? go ad free now This is a significant increase from previous equipment, which was limited to observing areas only about 75,000 kilometers across. This increased field of view offers a better understanding of how small details such as sunspots function within the greater structure of the Sun. They were obtained in the G-band wavelength, which is ideally suited to observe the fine structure of the solar photosphere. In the newly released photos, researchers have seen distorted penumbral filaments within sunspots — indicators of complex magnetic activity that typically predict the potential for solar flares. The G-band photos also enable one to see how sunspots are structured within broader convection cells called supergranules, illuminating more about the dynamic processes of the Sun. Real-time monitoring of solar activity Even more thrilling about this advancement is its capacity to monitor these changes in the Sun's surface in real time. With updates as frequently as every 20 seconds, researchers can now monitor the rapidly changing magnetic fields and plasma flows on the Sun's surface. This is a vital leap forward in studying space weather phenomena, which can impact satellite communications, GPS, and even power grids on our planet. The advent of this state-of-the-art imaging system is a revolutionary point in the study of the sun. It not only makes us more efficient in the study of the sun and its finer aspects but also makes us capable of predicting solar activity in many ways. The world is evolving, and so is our technology. Devices like these are crucial in unearthing hidden secrets and more

Astronomers witness supermassive black hole tear star apart during violent galactic collision—here's what exactly happened in this rare tidal disruption event
Astronomers witness supermassive black hole tear star apart during violent galactic collision—here's what exactly happened in this rare tidal disruption event

Time of India

time13 hours ago

  • Time of India

Astronomers witness supermassive black hole tear star apart during violent galactic collision—here's what exactly happened in this rare tidal disruption event

Black hole rips apart star in rare galactic collision: Astronomers witness violent tidal disruption event- A supermassive black hole ripping a star apart during a galaxy merger has given astronomers a rare and violent spectacle to study—one that could unlock new insights into how black holes influence their galaxies. This cosmic event, called a tidal disruption event (TDE), happened about 700 million light-years from Earth in a merging pair of galaxies. The event, named AT 2022wtn, is only the second TDE ever seen in interacting galaxies, making it an extraordinary discovery. Scientists say it sheds light—quite literally—on how massive black holes feed, evolve, and possibly impact galactic development. What exactly is a tidal disruption event and why is AT 2022wtn so rare? A tidal disruption event occurs when a star strays too close to a supermassive black hole—an object millions or even billions of times heavier than the Sun. The black hole's gravitational pull is so intense that it rips the star apart, stretching and squeezing it in a process astronomers call spaghettification. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Giao dịch vàng CFDs với sàn môi giới tin cậy IC Markets Tìm hiểu thêm Undo In the case of AT 2022wtn, this violent dismemberment took place in a galaxy called SDSSJ232323.79+104107.7. This galaxy is currently colliding with a larger neighboring galaxy, at least ten times its size, in the early stages of a galactic merger. The merging process is believed to stir up activity near black holes, possibly triggering TDEs like this one. The discovery of AT 2022wtn is crucial because, although galaxy mergers are common, seeing a TDE in one is extremely rare. That's what makes this observation so special. Live Events How did astronomers find out about this cosmic disaster? The TDE was first spotted by the Zwicky Transient Facility (ZTF), which scans the sky for sudden bursts of light and unusual activity. From there, teams across the globe dug deeper, observing the event across the entire spectrum of light—from radio waves to X-rays. The black hole at the center of this event is estimated to have a mass around 1 million times that of the Sun, and the unlucky star it consumed was a low-mass star. Researchers saw a massive burst of light when the star was torn apart, which temporarily outshone the entire galaxy it lived in. What makes AT 2022wtn different from other star-eating events? According to Francesca Onori from Italy's National Institute for Astrophysics (INAF), this event showed features never seen this clearly before. She called it 'a peculiar event' and noted that its light curve stayed at peak brightness for about 30 days—a long time in TDE terms. During that time, the temperature dropped sharply, and scientists detected specific emission lines in the light from the event—namely helium and nitrogen. This suggests very complex chemical activity and possibly a rapid formation of an accretion disk, a spinning cloud of material forming around the black hole from the remains of the star. Onori added, 'We found clear traces of the dynamics of the surrounding material,' showing that stellar debris was being pushed outward rapidly, creating a kind of expanding bubble of gas. What happens when a star becomes 'spaghetti'? When a star ventures too close to a black hole, the difference in gravity between the side closest to the black hole and the side furthest away becomes extreme. This causes the star to be squeezed and stretched into long, thin strands—hence the term spaghettification. In AT 2022wtn, this shredded material formed a whirling disk of plasma. Some of the star's material spiraled into the black hole, while other parts were blasted away into space as jets and high-speed outflows. The team also detected a brief burst of radio waves, confirming these explosive emissions. Why is this discovery so important for science? This rare black hole-star interaction not only gave scientists a detailed view of how TDEs form, but also helped them understand the physical conditions around black holes during galaxy mergers. According to the research team, the study provides new evidence that supports the idea that galaxy collisions can trigger black holes to become more active. It also adds crucial data on how TDEs evolve, how accretion disks form, and how the resulting radiation is produced. Their findings were published on May 23 in the Monthly Notices of the Royal Astronomical Society. A cosmic warning and a clue to galaxy growth? While Earth is safe from such destruction (our Sun isn't near any massive black holes), these events serve as important reminders of the raw power of gravity and the extreme physics happening in deep space. More importantly, they give us clues about how black holes grow, how they interact with their environment, and how they may even shape the galaxies around them. For astronomers, AT 2022wtn is more than a violent end for one star—it's a rare and valuable opportunity to study the life cycle of galaxies and the monstrous forces that control them. FAQs: Q1: What is a tidal disruption event in a galaxy merger? A tidal disruption event is when a star gets torn apart by a supermassive black hole during a galactic collision. Q2: Why is AT 2022wtn important for black hole research? It's a rare case of a black hole eating a star during a galaxy merger, offering new insights into black hole behavior.

Astronomers uncover distant dwarf planet candidate, challenging planet nine theory
Astronomers uncover distant dwarf planet candidate, challenging planet nine theory

Hans India

time14 hours ago

  • Hans India

Astronomers uncover distant dwarf planet candidate, challenging planet nine theory

A newly identified object in the outer solar system—provisionally named 2017 OF201—could upend the search for the elusive Planet Nine. Discovered in archival images from the Dark Energy Camera Legacy Survey and earlier telescopic data, this potential dwarf planet boasts both an unusually elongated orbit and a size that makes it worthy of the dwarf‐planet title. At its closest approach, 2017 OF201 comes within 44.5 astronomical units (AU) of the Sun—comparable to Pluto's distance—yet it swings out to a staggering 1,600 AU at aphelion. With an estimated diameter of roughly 700 kilometers (about 435 miles), it ranks as the second‐largest object known on such an extreme trajectory. For most of its 24,256-year orbit, it lies too distant and faint for current telescopes to detect; astronomers only caught sight of it because its perihelion occurred in 1930, and it remains comparatively close today. The discovery team—including Sihao Cheng of the Institute for Advanced Study and colleagues Jiaxuan Li and Eritas Yang—unearthed 2017 OF201 while mining data from Chile's Víctor M. Blanco Telescope and historical observations from the Canada–France–Hawaii Telescope. Based on its brightness and an assumed reflectivity of 15 percent, they conclude it meets the size threshold for dwarf‐planet status. Yet the real intrigue lies in its orbit: 2017 OF201's path does not align with the clustered orientations of other known extreme trans-Neptunian objects (TNOs). The Planet Nine hypothesis posits that a massive, unseen planet shepherds these distant bodies into similar orbits. However, 2017 OF201's misaligned trajectory appears to defy this pattern. 'Planet Nine can produce odd orbits, but those tend to be unstable over tens of millions of years,' says Cheng. Simulations suggest that if Planet Nine exists, it would gradually eject objects like 2017 OF201 from the solar system within about 100 million years—far shorter than the billions of years needed for gravitational interactions to sculpt such an orbit. One possibility is that 2017 OF201 was only recently nudged into its current path and hasn't yet felt Planet Nine's disruptive influence. Further computational modeling will be required to determine whether 2017 OF201's orbit can persist in the presence of a distant giant planet or whether its discovery truly signals a need to rethink the Planet Nine hypothesis. Either way, this remarkable new member of the scattered disk offers fresh clues—and fresh puzzles—about the hidden architecture of our solar system.

DOWNLOAD THE APP

Get Started Now: Download the App

Ready to dive into the world of global news and events? Download our app today from your preferred app store and start exploring.
app-storeplay-store