Noor-Al-Huda Oada’s Post

You may have heard about the increasing number of commercial satellites in low-Earth orbit, impacting ground-based observers worldwide. Join Dr. Meredith Rawls, a renowned astronomy researcher at UW/Rubin Observatory, as she sheds light on how astronomers are adapting to this changing landscape. Dr. Rawls, a key figure in the Legacy Survey of Space and Time group, will discuss the effects of Low-Earth-orbit satellites on astronomy. Don't miss this opportunity to learn and contribute to preserving our skies. 🌌 Event Details: 🔹 Speaker: Dr. Meredith Rawls 🔹 Topic: Astronomy and Satellite Constellations 🔹 Date: Wednesday, 18th September 🔹 Time: 18:30 CET 🔹 Where: Online webinar 🔹 Register here: https://lnkd.in/g-bVX5bT Don't miss out on this insightful discussion on the future of astronomy amidst the surge in satellite activities. #Astronomy #SatelliteConstellations #WebinarAlert 🛰️

"If" in the event there is a '9th planet out there' (Pluto? Anyone? Bueller?) none of our current rocket-based #propulsionsystems would ever be able to reach such a distant world or feasibly make the journey for manned #deepspace travel. The emergence of the CTPSci sciences (many are just first hearing about) brings with it the coming revelation and realization of CTP Gravitic Propulsion (https://lnkd.in/env2Rz8G) within the coming years; the 'Holy Grail' of propulsion. Future #CTPcraft (https://lnkd.in/eYycu9mT) that will utilize CTP Propulsion represents the next 'quantum leap' of human advancement and evolution #paradigm since the Wright Brothers first flight at Kitty Hawk 120 years ago. Coming advancements CTPSci sciences will offer humankind will be able to be compared much akin to 'The Expanse' (https://lnkd.in/ejmikem3) or 'Star Trek' (https://lnkd.in/eurJ2pEh) however, CTP will be 'how' such advances will occur in real life (i.e. NOT science fiction). The dawn of a new era approaches... #newbeginnings #pioneering #progress #newspaceeconomy #futurespace

Europe's next big space mission—a telescope that will hunt for Earth-like rocky planets outside of our solar system—is on course to launch at the end of 2026. PLATO, or PLAnetary Transits and Oscillations of stars, is being built to find nearby potentially habitable worlds around sun-like stars that we can examine in detail. The space telescope will blast into orbit on Europe's new rocket, Ariane-6, which made its maiden flight last week after being developed at a cost of €4 billion (£3.4 billion). Dr. David Brown, of the University of Warwick, gives an update on the mission at the Royal Astronomical Society's National Astronomy Meeting at the University of Hull, held 14–19 July. “PLATO's goal is to search for exoplanets around stars similar to the sun and at orbital periods long enough for them to be in the habitable zone," he said. "One of the main mission objectives is to find another Earth-sun equivalent pair, but it is also designed to carefully and precisely characterize the exoplanets that it finds (i.e. work out their masses, radii, and bulk density)." PLATO isn't just an exoplanet hunter, however. It is also a stellar science mission. As well as searching for exoplanets, it will study the stars using a range of techniques including asteroseismology (measuring the vibrations and oscillations of stars) to work out their masses, radii, and ages. Unlike most space telescopes, PLATO has multiple cameras—including a UK-named one called ArthurEddington, after the famous astronomer and physicist who won the Royal Astronomical Society's prestigious Gold Medal in 1924. It has 24 "Normal" cameras (N-CAMs) and 2 "Fast" cameras (F-CAMs). The N-CAMs are arranged into four groups of six cameras, with the cameras in each group pointing in the same direction but the groups slightly offset. This gives PLATO a very large field of view, improved scientific performance, redundancy against failures, and a built-in way to identify "false positive" signals that might mimic an exoplanet transit, Dr. Brown explained. “The planned observing strategy is to stare at two patches of sky, one in the North and one in the South, for two years each," he added. “The Southern patch of sky has been chosen, while the Northern patch won't be confirmed for another few years." Full Article: https://lnkd.in/gHqfEznf #ESA #PLATO #Exoplanets An artist's impression of the European Space Agency's PLATO spacecraft. (ESA/ATG)

"Planning large astronomical missions is a long process. In some cases, such as the now functional James Webb Space Telescope, it can literally take decades. Part of that learning process is understanding what the mission will be designed to look for. Coming up with a list of what it should look for is a process, and on larger missions, teams of scientists work together to determine what they think will be best for the mission. In that vein, a team of researchers from UC Berkeley and UC Riverside have released a paper on the arXiv preprint server describing a database of exoplanets that could be worth the time of NASA's new planned habitable planet survey, the Habitable Worlds Observatory HWO. Astronomy's decadal surveys are the starting point for many ambitious projects, and the Astro2020 Decadal Survey didn't disappoint. It called for NASA to develop a 6-meter space telescope capable of high-contrast observations in optical, infrared, and ultraviolet wavelengths. That project became known as the HWO; its primary mission is to observe 25 different exoplanets in their parent star's habitable zones and look for biosignatures on them. Essentially, it will be humanity's best alien finder. While not searching biosignatures, it can also do general astronomy, but knowing what planets to look at is critical to its mission. To tackle that part of the project, a NASA project known as the Exoplanet Exploration Program developed a list of 164 candidate exoplanets "whose [hypothetical] exo-Earths would be the most accessible" for the HWO. Mainly, that accessibility had to do with the characteristics of the planet's parent star, but its separation from that star was also considered."... PHYS ORG read & learn more "Astronomers identify 164 promising targets for the habitable worlds observatory" https://lnkd.in/gekWpbJ5

Using the Green Bank Observatory’s Green Bank Telescope and SARAO - South African Radio Astronomy Observatory’s MeerKAT Telescope, an international team of astronomers uncovered 10 monstrous neutron stars in the constellation Sagittarius. Called pulsars, these exotic stars are a part of the Terzan 5 star cluster, which is home to nearly 50 pulsars and hundreds of thousands of other stars. Learn why this star cluster is so unique: https://lnkd.in/e8nxgmp3

𝐓𝐡𝐞 𝐑𝐀𝐓𝐓 𝐏𝐀𝐑𝐑𝐎𝐓: 𝐬𝐞𝐫𝐞𝐧𝐝𝐢𝐩𝐢𝐭𝐨𝐮𝐬 𝐝𝐢𝐬𝐜𝐨𝐯𝐞𝐫𝐲 𝐨𝐟 𝐚 𝐩𝐞𝐜𝐮𝐥𝐢𝐚𝐫𝐥𝐲 𝐬𝐜𝐢𝐧𝐭𝐢𝐥𝐥𝐚𝐭𝐢𝐧𝐠 𝐩𝐮𝐥𝐬𝐚𝐫 𝐢𝐧 𝐌𝐞𝐞𝐫𝐊𝐀𝐓 𝐢𝐦𝐚𝐠𝐢𝐧𝐠 𝐨𝐛𝐬𝐞𝐫𝐯𝐚𝐭𝐢𝐨𝐧𝐬 𝐨𝐟 𝐭𝐡𝐞 𝐆𝐫𝐞𝐚𝐭 𝐒𝐚𝐭𝐮𝐫𝐧 – 𝐉𝐮𝐩𝐢𝐭𝐞𝐫 𝐂𝐨𝐧𝐣𝐮𝐧𝐜𝐭𝐢𝐨𝐧 𝐨𝐟 𝟐𝟎𝟐𝟎. 𝐈. 𝐃𝐲𝐧𝐚𝐦𝐢𝐜 𝐢𝐦𝐚𝐠𝐢𝐧𝐠 𝐚𝐧𝐝 𝐝𝐚𝐭𝐚 𝐚𝐧𝐚𝐥𝐲𝐬𝐢𝐬 When RATT met PARROT – a peculiar pulsar The motion of the planets through the night sky has captivated humanity since prehistoric times. The Great Saturn-Jupiter Conjunction of 2020 was particularly special. This remarkable astronomical event, which brought these two gas giants closer together than they had been for nearly four centuries, offered an enticing spectacle for stargazers worldwide. Professional astronomers, with telescopes capable of seeing well beyond the relative “backyard” of our solar system, also couldn’t resist the temptation to look. Read More on SARAO website https://lnkd.in/dMXp_pAE

An astronomy observatory station is a facility designed for observing celestial objects and phenomena in the night sky. These stations are typically equipped with advanced telescopes, detectors, and instruments that allow astronomers to study various aspects of the universe, such as stars, planets, galaxies, nebulae, and other cosmic phenomena. Observatory stations are often situated in remote locations with minimal light pollution to maximize the clarity of observations. They can be found atop mountains, in deserts, or even in space aboard orbiting satellites. Some observatories specialize in specific areas of research, like solar observatories that focus on the sun or radio observatories that detect radio waves emitted by celestial objects. These stations play a crucial role in advancing our understanding of the cosmos. They contribute to scientific research, discovery of new celestial objects, exploration of exoplanets, understanding the origins of the universe, and studying various astronomical phenomena. Additionally, observatories often engage in public outreach and education, allowing visitors to learn about astronomy and experience the wonders of the universe firsthand through guided tours, workshops, and stargazing events. To learn more, please contact Dwisolar Systems for more details space.sciences@dwisolar.com.my

Researchers using Georgia State University's Center for High Angular Resolution Astronomy (CHARA) Array have identified new details about the size and appearance of the North Star, also known as Polaris. Earth's North Pole points to a direction in space marked by the North Star. Polaris is both a navigation aid and a remarkable star in its own right. It is the brightest member of a triple-star system and is a pulsating variable star. Polaris gets brighter and fainter periodically as the star's diameter grows and shrinks over a four-day cycle. Polaris is a kind of star known as a Cepheid variable. Astronomers use these stars as "standard candles" because their true brightness depends on their period of pulsation: Brighter stars pulsate slower than fainter stars. How bright a star appears in the sky depends on the star's true brightness and the distance to the star. Because we know the true brightness of a Cepheid based on its pulsational period, astronomers can use them to measure the distances to their host galaxies and to infer the expansion rate of the universe. A team of astronomers led by Nancy Evans at the Center for Astrophysics | Harvard & Smithsonian observed Polaris using the CHARA optical interferometric array of six telescopes at Mount Wilson, Calif. The goal of the investigation was to map the orbit of the close, faint companion that orbits Polaris every 30 years. “The small separation and large contrast in brightness between the two stars makes it extremely challenging to resolve the binary system during their closest approach," Evans said. The CHARA Array combines the light of six telescopes that are spread across the mountaintop at the historic Mount Wilson Observatory. By combining the light, the CHARA Array acted like a 330-meter telescope to detect the faint companion as it passed close to Polaris. The observations of Polaris were recorded using the MIRC-X camera built by astronomers at the University of Michigan and Exeter University in the U.K. The MIRC-X camera has the remarkable ability to capture details of stellar surfaces. Full Article: https://lnkd.in/gEc2MRge #MIRCX #CHARA #NorthStar CHARA Array false-color image of Polaris from April 2021 that reveals large bright and dark spots on the surface. Polaris appears about 600,000 times smaller than the full moon in the sky. (Georgia State University / CHARA Array)