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A Glittering Globular Cluster Discovered in Our Milky Way by the Hubble Telescope

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This colorful image of the globular star cluster Terzan 12 is a spectacular example of how dust in space affects starlight coming from background objects. A collection of stars organized in a spherical configuration is known as a globular star cluster. In globular clusters, gravity holds the stars together, with a concentration of more stars in the center. On the periphery of the Milky Way are roughly 150 old globular clusters. These clusters circle the galactic core like bees buzzing around a hive, yet they are located far above and below the galaxy’s pancake-flat plane. This globular cluster is covered in gas and dust that absorb and change the sunlight coming from it because of its placement deep within the Milky Way in the constellation Sagittarius.

Astronomers frequently struggle to distinguish between the forest and the trees because of how congested space may seem. The globular star cluster Terzan 12 is an excellent illustration. It is a dense beehive of hundreds of thousands of stars crammed close together, like all globular star clusters. Consider it like a snow globe. Shake the globe to simulate the erratic motion of a cluster of stars. The oldest residents of our Milky Way are globular clusters. Some of their burned-out stars are almost as old as the cosmos itself, and they contain aging stars. Even at their old age, globular clusters are active. They revolve around our galaxy’s pancake-flat star disk both above and below.

About Hubble Telescope

The Hubble Space Telescope is a project of international cooperation between NASA and ESA. NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore, Maryland, conducts Hubble science operations. STScI is operated for NASA by the Association of Universities for Research in Astronomy, in Washington, D.C.

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NASA

NASA’s Parker Solar Probe to Fly by Venus Today Ahead of Historic Sun Encounter

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Parker Solar Probe

Today marks a significant milestone in NASA’s mission to explore the Sun up close: the Parker Solar Probe will make a close flyby of Venus, a key step before it embarks on an unprecedented encounter with our star. This maneuver, known as a “gravity assist,” will allow the spacecraft to gain speed and refine its trajectory, preparing it for its closest approach to the Sun yet.

Launched in 2018, NASA’s Parker Solar Probe is the closest a human-made object has ever been to the Sun. This groundbreaking mission is designed to study the Sun’s outer atmosphere, or corona, where temperatures soar to millions of degrees Fahrenheit. The Parker Solar Probe aims to uncover the mysteries of solar winds, solar flares, and the energetic particles emitted by our star, providing insight into space weather phenomena that affect Earth and our solar system.

Equipped with heat-resistant shields, the probe has already endured intense heat and radiation, providing scientists with valuable data on the Sun’s structure and behavior. As it moves closer, it will encounter temperatures nearing 2,500 degrees Fahrenheit (1,377 degrees Celsius), testing the limits of engineering and scientific exploration.

Why the Venus Flyby Is Essential

Today’s Venus flyby is a crucial part of the Parker Solar Probe’s mission strategy. Using Venus’s gravitational field, NASA engineers are guiding the probe into a tighter, more elliptical orbit that brings it ever closer to the Sun. This maneuver allows the spacecraft to “slingshot” around Venus, adjusting its speed and angle without using onboard fuel, making the mission more efficient.

Venus flybys are scheduled periodically throughout the mission, with each pass helping the probe to dip even closer to the Sun. This approach maximizes the data collected from each orbit, allowing scientists to observe solar phenomena with increasing precision.

What We Hope to Learn from the Parker Solar Probe’s Sun Encounter

The Sun is the central energy source for our solar system, yet many of its processes remain shrouded in mystery. One of the primary goals of the Parker Solar Probe mission is to understand the behavior of solar winds, the stream of charged particles that flows from the Sun and affects everything from satellite operations to GPS systems here on Earth.

By getting close enough to the Sun, the Parker Solar Probe can study the origins of solar winds, explore the structure of the corona, and observe solar magnetic fields. The data gathered will enhance our understanding of the Sun’s impact on the solar system, improve space weather forecasting, and help us protect satellites and astronauts from harmful radiation.

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James Webb Space Telescope Could Soon Discover Alien Life, Scientists Claimed!

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JWST

Current research and new discoveries are generating excitement in the attempt to answer one of humanity’s most profound questions: are we alone in the universe? The likelihood that we will find evidence of extraterrestrial life is beginning to excite scientists. The scientific community is abuzz about a big discovery made lately by NASA’s ground-breaking James Webb Space Telescope. The ramifications are significant as it discovered indications of life on a planet outside of our solar system.

The James Webb Space Telescope (JWST) has ignited hope in the scientific community with its remarkable discovery. This incredible space telescope recently detected a potential sign of life on a distant exoplanet known as K2-18b. Located a staggering 120 light-years away, K2-18b is no ordinary celestial body. JWST spotted a possible trace of gas in its atmosphere, a gas that could be produced by simple marine organisms. The implications of this discovery are enormous.

K2-18b is a member of the class of exoplanets known as “sub-Neptunes,” which are distinguished by their sizes being in between those of Neptune and Earth. Sub-Neptunes are more mysterious than any planet in our solar system in many ways. Researchers are now debating the composition of these unusual celestial bodies’ atmospheres, and comprehension of them is a continuous task.

The most important scientific issue of our time, “Are we alone in the universe?” will be addressed by the discoveries made by the James Webb Space Telescope, which is about to embark on a historic voyage. The finding of possible life indicators on K2-18b is evidence of human curiosity and our never-ending quest for knowledge. The outlook is positive even though it might take some time to validate these indications. The scientific community is excited to see the outcomes of the additional data that will be available to researchers in around a year.

While the James Webb Space Telescope won’t directly spot little green beings or alien cities, its discoveries could provide compelling evidence of the existence of alien life, even if it’s in the form of microorganisms. The sheer magnitude of the cosmos suggests that the potential for extraterrestrial life is not only possible but highly likely. Finding life beyond Earth would be a monumental scientific achievement and reshape our understanding of the universe.

The search for extraterrestrial life with the James Webb Space Telescope also involves the study of habitability and the determination of Goldilocks zones. The habitable zone, also known as the Goldilocks zone, is the region surrounding a star where conditions are ideal for liquid water to exist on a planet’s surface, which is a necessary component of life as we know it.

Webb will advance our knowledge of habitability through his research on exoplanets in these zones. Through the measurement of temperatures and atmospheric compositions, scientists are able to determine whether or not life is supported on these worlds.

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Astronomers Aimed The Renowned Observatory at a brilliant “celebrity star”

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The Hubble Space Telescope has captured A glimpse of an incredible on its 31st anniversary of the launching of NASA’s Hubble Space Telescope on April 24, 1990. One of the brightest stars in our Galaxy, this giant luminous blue variable star known as a G Karane is huge, 70 times more massive than our sun and shining with the brilliance of 1,000,000 Suns.The star is surrounded by a glowing Halo of gas and dust. This vast structure was created from giant eruptions from the star about 10,000 years ago, creating an expanding shell that is now nearly 5 light years across. Similar to the distance from our sun to its nearest neighbor star, the outburst expelled the star’s outer layers, blowing out material nearly ten times the mass of our sun. The nebula around the star from these ancient eruptions is being impacted by a powerful wind of charged particles flowing out from the star at 1,000,000 kilometers per hour, 10 times faster than the nebula itself is expanding. As this outflowing gas slams into the slower moving outer nebula, it creates a snow plow effect, clearing A cavity around the star and sculpting structures in the nebula.

Searing radiation from the star is lighting up the nebula as seen by Hubble in both visible light and in the ultraviolet light that can only be seen from space. Red colors indicate glowing hydrogen gas laced with nitrogen gas at the upper left in the image, the diffuse red glow shows a region where the stellar wind has broken through a tenuous region of material and swept it into space. Blue features shaped like tadpoles and bubbles are dust clumps shaped by the stellar wind and illuminated by the star’s reflected light. This incredible image from the Hubble Space Telescope shows how even one star can be incredibly beautiful and powerful as it impacts its surrounding environment. Since Hubble orbits above the Earth’s atmosphere, it can give us a clear, detailed view of this kind of awe inspiring beauty and activity in the universe. For the past 31 years, the Hubble Space Telescope has changed the way we think of space and our place in the cosmos. Hubble has revealed an incredible diversity of stars and gives us pristine views into beautiful interstellar nebulas where new stars and their surrounding disks of dust and planets continue to form.

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