#SpaceNews

[jameswebb-discoveries]

First images from the Euclid Telescope Released by ESA on November 7, 2023

For the latest Euclid discoveries visit this tracker - https://www.jameswebbdiscovery.com/other-missions/euclid/euclid-telescope-discoveries

Source: ESA - https://www.esa.int/Science_Exploration/Space_Science/Euclid/Euclid_s_first_images_the_dazzling_edge_of_darkness

[spacescinetwork]

SUBSCRIBE NOW ON OUR PODCAST CHANNEL: https://www.youtube.com/@SpaceTalksX, that managed by https://www.youtube.com/@SpaceSciNetwork

[manmishra]

NASA Monitors 'City Killer' Asteroid YR4 as 2032 Approach Raises Concerns

NASA tracks Asteroid YR4—a potential "City Killer" with a 3.1% collision risk in 2032. Discover how planetary defense efforts are gearing up to protect major cities like Mumbai, Kolkata, and Dhaka.

June 28, 2024 — NASA has issued a renewed alert regarding Asteroid YR4, a near-Earth object currently traveling approximately 500,000 miles from our planet. Scientists project the asteroid could make a close approach—or even strike Earth—in 2032, with major cities like Mumbai, Kolkata, and Dhaka potentially in its crosshairs. While initial impact probabilities were low, updated calculations now…

[wadashin]

2032年のハルマゲドン?アステロイドの脅威は本物です!🚨

現実のハルマゲドンが間近に迫っているのでしょうか?

新たに発見された小惑星「2024 YR4」は、科学者が注目しており、2032年12月22日に地球に衝突する可能性があると予測されています

サイエンスフィクションを忘れてください

これはサイエンスノンフィクションであり、注意を払う時が来ました

知っておくべきこと:

•脅威:2024年に発見された小惑星「2024 YR4」は、その大きさが40メートルから90メートルと推定されています。

•オッズ:当初、衝突の確率は1.2%でしたが、ESA(欧州宇宙機関)は最近それを2.2%に引き上げました。

1.これは小さなことのように思えるかもしれませんが、専門家は注目に値するイベントと考えています3.ある専門家は、この確率はまれであり、2000年以来2番目のケースであると指摘しています。

•影響:衝突は壊滅的なものになる可能性があります。40メートルの小惑星は村を破壊する可能性があり、90メートルの小惑星は東京23区の面積を壊滅させる可能性があります。

3.幅 1 キロメートルのクレーターと広範囲にわたる爆風の影響を想像してみてください。

•先例:2013年、はるかに小さな隕石(約1700万)がロシアのチェリャビンスク上空で爆発し、広島の原爆30発の力で爆発しました。

1.「2024 YR4」は、何倍も強力になる可能性があります。

これで終わりなのか?

強ち！「2024 YR4」が無事に地球を通過する可能性は十分にあります1.科学者が観測を行えば行うほど、その軌道をより正確に予測できるようになります3.実際、データが収集されるほど、影響の確率が減少する可能性が高くなります4.ある専門家は、以前の小惑星の衝突確率が、さらなる観測後に最終的に0%に低下したことを思い出します。

私たちに何ができる?

•プラネタリーディフェンス:NASAは、宇宙船が意図的に160mの小惑星に衝突したDARTミッションで、小惑星の軌道を変更する能力をすで��実証しています。

4.検討されている他の選択肢には、核兵器の使用、宇宙船の取り付け、さらには巨大な帆の展開が含まれます。

•グローバルコラボレーション:IAWN(International Asteroid Warning Network)は、状況を積極的に監視しています。

4.この出来事は、人類が共通の脅威に対して団結する必要性を浮き彫りにしています。

•災害への備え:避難戦略や国際的責任などの要素を考慮し、潜在的な影響に備えるためのシミュレーションが実施されています。

4.経済価値に基づいてどの都市を貯蓄するかについての議論さえ行われています。

SFから現実へ

何十年もの間、SFは小惑星の衝突と惑星防衛の可能性を探求してきました5.「アルマゲドン」のような映画から「機動戦士ガンダム」のようなシリーズまで、宇宙の災害を回避するという考えは私たちの想像力をかきたててきました5.SFのコンセプトの中には、突飛に思えるものもあるかもしれませんが、現実世界の科学の進歩を刺激することがよくあります。

(まだ)慌てないでください!

小惑星の衝突の可能性は深刻な問題ですが、落ち着くことが重要です。専門家は、これは注意深く監視すべき状況であり、必ずしも恐れるべきではないと強調しています2.ある専門家が「研究者として言うのは怖いけど、今回はきっと大丈夫だから心配しないで」と心強く述べています。

[jjbizconsult]

Space Traffic Management: It's Not Just Rocket Science, It's Rocket Traffic Control! ️ #SpaceExploration #Cosmos

[outer-space-youtube]

Chinese Space is HEATING up!

@Ellieinspace has a conversation with @DongfangHour about Chinese Space, including launches that would have been more than the U.S. without Starlink… @techmap9 Unveiled China’s INSANE SpaceX Starships that look like… Ellon Musk didn’t patient his design’s for a reason. Spaceport License plus more UK space news brought to us by Tom Dune – UK Space News, @tomduneofficial. Ellie’s conversation…

[epicbloghub]

Rocket Reuse Triumph: SpaceX Ignites a New Space Age

Rocket Reuse Triumph: SpaceX Targets New Heights In a testament to the company unwavering commitment to rocket reusability, the aerospace giant is poised to outdo its own record. The stage is set for the launch of a Falcon 9 rocket, slated to carry 23 Starlink internet satellites into orbit. The anticipated liftoff from Florida’s Cape Canaveral Space Force Station promises to be a spectacle,…

[jameswebb-discoveries]

Game Changer Discovery released on Mar 13, 2024: Webb Telescope Reveals Recipe for Life May Be Commonplace in the Universe

The James Webb Space Telescope has discovered complex organic molecules (COMs) around young stars that haven't even formed planets yet. These COMs, often linked to life on Earth, were found frozen in ice.

This discovery suggests life's building blocks might be much more common in the universe and could be delivered to young planets by comets and asteroids. Webb's future observations will help us understand how COMs form and move throughout stellar systems, potentially revealing prime locations for life beyond Earth. #JWST #SpaceNews #Astrobiology

Read more here - Webb Telescope Reveals Recipe for Life May Be Commonplace in the Universe

[magazinesek]

Space Highlights: China's Satellite Launch, Space Haircare, and SpaceX's...

[enterprisewired]

NASA’s Artemis III Moon Landing Unlikely by 2025, Report Predicts Delays to 2027

Report Highlights Challenges to NASA’s Artemis Program

The Government Accountability Office (GAO) released a report on Thursday projecting significant delays in NASA’s Artemis program, indicating that the first crewed moon landing, Artemis III, is unlikely to occur by 2025. Based on past trends, the report suggested potential setbacks that could push the mission to 2027 due to ongoing issues in developing the necessary human landing system and spacesuits.

Challenges Impacting the Artemis III Mission

While acknowledging progress in achieving key milestones, the GAO underscored several challenges persisting in the development of the human landing system and spacesuits. The complexity of human spaceflight poses significant hurdles, questioning the feasibility of accelerating the moon landing system’s development more than a year faster than the average for NASA’s major projects.

Potential Delay to 2027 Based on Past Project Timelines

Should the development pace align with the average timeline for major NASA projects, the GAO forecasted a probable occurrence of the Artemis III mission in early 2027, raising concerns about meeting the initial 2025 target.

Official Timeline and Potential Alterations

While the late 2025 timeframe remains the official launch target for Artemis III, NASA has hinted at the possibility of reconsidering the flight schedule. However, the agency has not formally announced any alterations to the mission plan yet.

Artemis Program Goals and Competition

The Artemis program aims to mark a significant milestone, returning astronauts to the moon for the first time since 1972’s Apollo program. This initiative positions NASA ahead of China’s planned lunar landing by the 2030 timeframe.

Technical Details and Challenges in the Artemis III Mission

The mission involves using Lockheed Martin-built Orion capsules launched atop the Space Launch System, intending to rendezvous with SpaceX’s Starship rocket, also known as the Human Landing System (HLS). However, technical complexities and developmental challenges have hindered progress.

SpaceX’s Role and Technological Hurdles

SpaceX’s HLS, a variant of its Starship upper stage, faces technical complexities in storing and transferring propellants in orbit, a critical aspect of the lunar landing mission. Limited progress and challenges in technology maturation pose significant hurdles to achieving the mission’s objectives.

Spacesuit Development and Associated Obstacles

Axiom Space, entrusted with designing new spacesuits for the mission, confronts multiple challenges, including addressing supply chain issues and meeting stringent NASA requirements, such as an hour-long emergency oxygen supply. These challenges might necessitate redesigns, potentially delaying suit delivery for the mission.

The intricate technical and developmental hurdles facing NASA’s Artemis III mission present significant roadblocks, potentially delaying the historic lunar landing well beyond the initial timeline.

Curious to learn more? Explore our articles on Enterprise Wired

[global-education]

Is the Universe's True Shape Finally Revealed?

For centuries, humans have gazed up at the night sky, pondering the mysteries of the universe. One question that has captivated the minds of scientists, philosophers, and stargazers alike is the true shape of the universe. Is it finite or infinite? Is it flat, curved, or something entirely different? Over the years, our understanding of the universe's shape has evolved, and recent advancements in cosmology have brought us closer to unraveling this profound cosmic mystery. In this exploration, we will delve into the latest discoveries and theories that hint at the universe's true shape.

I. The Cosmic Quest for Shape

Understanding the shape of the universe is not just an intellectual pursuit; it has profound implications for our comprehension of the cosmos as a whole. It touches on fundamental questions about the universe's origin, evolution, and ultimate fate. It also has practical implications for cosmologists, as the universe's shape influences the measurement of cosmic distances and the dynamics of galaxies and galaxy clusters.

II. The Flat Universe Hypothesis

One of the most prominent theories regarding the shape of the universe is the concept of a flat universe. According to this hypothesis, the universe has no curvature, much like a perfectly flat sheet of paper. In a flat universe, parallel lines will never meet, and the angles of a triangle always add up to 180 degrees.

The flat universe hypothesis gained considerable support from observations of the cosmic microwave background radiation, the afterglow of the Big Bang. The uniform temperature distribution in this radiation strongly suggested that the universe is flat. This idea was further bolstered by measurements of the large-scale structure of the cosmos, including the distribution of galaxies and galaxy clusters.

III. Dark Energy and the Accelerating Universe

However, the quest for the universe's true shape took an unexpected turn with the discovery of dark energy. Dark energy is a mysterious force that permeates the cosmos and appears to be causing the universe's expansion to accelerate. This revelation challenged the notion of a flat universe and introduced the possibility of a curved or open universe.

In a universe dominated by dark energy, the geometry of space can be influenced in ways that deviate from the flat model. If dark energy's influence is substantial, it could cause the universe to be open, with a saddle-like curvature, or even closed, with a spherical curvature. The nature of dark energy remains one of the most enigmatic puzzles in modern cosmology, and understanding it is crucial for determining the universe's shape.

IV. Cosmic Microwave Background: A Cosmic Blueprint

To investigate the universe's shape further, cosmologists turned to the cosmic microwave background (CMB) radiation once again. This time, they sought subtle patterns or anomalies in the CMB that could provide clues about the universe's geometry.

One such feature is the Cosmic Microwave Background's temperature fluctuations, which are imprinted on the radiation in the early universe. These fluctuations are incredibly tiny, but they carry valuable information about the spatial geometry of the universe. By studying the patterns in these fluctuations, scientists can gain insights into whether the universe is flat, open, or closed.

V. Observational Evidence

Recent observations and data analysis have provided crucial insights into the universe's shape. The Planck satellite, launched by the European Space Agency, conducted a comprehensive study of the CMB and provided high-precision measurements of its temperature fluctuations. These measurements have allowed cosmologists to place tight constraints on the universe's geometry.

The Planck data, combined with other cosmological observations, including measurements of the large-scale distribution of galaxies and the cosmic expansion rate, have reinforced the idea of a flat universe. However, the presence of dark energy and its mysterious properties continues to introduce complexities and uncertainties.

VI. Cosmic Puzzles and Ongoing Research

While the evidence for a flat universe is compelling, the cosmic puzzle remains far from complete. Dark energy remains a formidable enigma, and its role in shaping the universe's destiny is still not fully understood. Researchers are actively exploring various hypotheses and conducting experiments to shed light on this mysterious force.

One intriguing possibility is that dark energy may not be constant over time. If its properties change as the universe evolves, it could lead to different scenarios for the universe's ultimate shape. This dynamic aspect of dark energy introduces an exciting avenue for further exploration.

VII. Multiverse Theories

In the quest to understand the universe's shape, some scientists have ventured into the realm of multiverse theories. These theories propose the existence of multiple universes, each with its own unique properties, including different shapes.

In some multiverse scenarios, universes with varying curvatures exist alongside our own flat universe. While these theories are highly speculative and challenging to test, they highlight the profound complexities and mysteries that still surround the concept of the universe's shape.

VIII. The Role of Technology

Advancements in technology and observational instruments continue to drive progress in cosmology. The development of more powerful telescopes, such as the James Webb Space Telescope, promises to expand our understanding of the universe's shape by providing even more precise measurements of the CMB and distant galaxies. These technological innovations offer hope that we may soon have a more definitive answer to the age-old question of the universe's true shape.

IX. The Universe's True Shape: A Cosmic Enigma

In conclusion, the question of the universe's true shape is a cosmic enigma that has fascinated humanity for centuries. While the flat universe hypothesis remains well-supported by current observations, the influence of dark energy introduces complexities and uncertainties that challenge our understanding. The search for answers continues, driven by technological advancements and the relentless curiosity of humanity.

As we peer into the depths of the cosmos, we are reminded that the universe's true shape is not just a matter of intellectual curiosity; it holds the key to unlocking some of the universe's deepest secrets. Whether it is flat, curved, or something entirely unexpected, the revelation of the universe's true shape promises to be one of the most profound discoveries in the history of science, forever altering our perception of the cosmos and our place within it.

[gkonboard]

In this video, we delve into the controversy surrounding India's Chandrayaan-3 mission and its supposed landing near the Moon's south pole. Top Chinese scientist Ouyang Ziyuan challenges India's assertion, explaining why he believes it didn't land as claimed. We explore differing definitions of lunar polar regions and why this debate has captured attention in the space community.