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Heng Ee Astronomy Club, 99, Jalan Hamilton, Pinang George Town (2026)

18/11/2022

NASA has booked another crewed trip to the lunar surface with SpaceX.

In April 2021, NASA announced that it had selected SpaceX's next-generation Starship vehicle as the first crewed lunar lander for the agency's Artemis program of moon exploration. Starship will put astronauts down near the lunar south pole in 2025 on the Artemis 3 mission, if all goes according to plan.

In September of this year, NASA want to provide crewed landers for Artemis, as a way to build up redundancy and resilience for the moon program.

SpaceX wasn't allowed to bid in this other round, but agency officials announced at the time that they planned to exercise an option in the company's existing contract to award future landed missions. NASA officially invoked this "Option B," picking Starship to carry astronauts to the lunar surface on the Artemis 4 mission, which is targeted to fly in 2027.

Source Space.com

05/10/2022

Coverage Set for NASA’s SpaceX Crew-5 Events, Broadcast, Launch

The launch is targeted for noon EDT, Wednesday, Oct. 5, from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The Dragon spacecraft, named Endurance, is scheduled to dock to the space station at 4:57 p.m. EDT Thursday, Oct. 6. Crew arrival, launch, the postlaunch news conference, and mission coverage through docking will air live on NASA Television, the NASA app, and the agency’s website. NASA also will host an audio only prelaunch news teleconference.

The Crew-5 launch will carry two NASA astronauts Mission Commander Nicole Mann and Pilot Josh Cassada, along with JAXA (Japan Aerospace Exploration Agency) astronaut Koichi Wakata, and Roscosmos cosmonaut Anna Kikina, who will serve as mission specialists to the space station for a science expedition mission.

This is the fifth crew rotation mission with astronauts using the SpaceX Dragon spacecraft on a Falcon 9 rocket to the orbiting laboratory as part of the agency’s Commercial Crew Program.

source: NASA official website

05/05/2022

首张黑洞事件视界尺度的影像

黑洞长什么样子？为了能找出答案，地球各地的电波望远镜，针对天空已知具有最大事件视界的黑洞，进行了协调合作观测。一颗孤伶伶的黑洞是全黑的，但是这些吸引力超强的宇宙怪兽，周围都环绕着发光的气体。
在2019年4月发布的首张影像，解析出位在星系M87核心的黑洞附近，尺度比它预期的事件视界规模小的区域。影像中的黝黑中心区并不是事件视界，而是黑洞的阴影，因为这个中心区气体发出的辉光有部分被黑洞的重力给吞噬了。阴影的大小和形状，则受到事件视界附近的明亮气体、强大重力透镜造成的偏折、与黑洞自转的影响。

事件视界望远镜（EHT）解析出黑洞阴影的这项成果，除了为爱因斯坦的重力理论，在这种极端区域仍然适用提供了佐证，更清楚指证星系M87的中心，有颗质量约高达60亿倍太阳的自转黑洞。

自从在2019年发布这幅主题影像之后，事件视界望远镜扩大规模增加更多望远镜、观测更多黑洞，追踪极化光、及正在观测紧临我们系中心黑洞的区域。

Source by NASA中文

05/05/2022

NASA’s SpaceX Crew-4 Astronauts Launch to International Space Station

NASA’s SpaceX Crew-4 astronauts are in orbit following their launch to the International Space Station at 3:52 a.m. EDT Wednesday, April 27, from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The international crew of astronauts will serve as the fourth commercial crew rotation mission aboard the space station.

A SpaceX Falcon 9 rocket propelled the Dragon spacecraft into orbit carrying Mission Commander Kjell Lindgren, Pilot Bob Hines, and Mission Specialist Jessica Watkins, all NASA astronauts, and Mission Specialist Samantha Cristoforetti of ESA (European Space Agency). The crew will conduct a science expedition in microgravity aboard the space station.

The Crew-4 astronauts will spend several months aboard the space station conducting new scientific research in areas such as materials science, health technologies, and plant science to prepare for human exploration beyond low-Earth orbit and to benefit life on Earth.

The Crew-4 mission continues NASA’s efforts to maintain American leadership in human spaceflight. Regular, long-duration commercial crew rotation missions enable NASA to continue the important research and technology investigations taking place aboard the station. Such research benefits people on Earth and lays the groundwork for future exploration of the Moon and Mars, starting with the agency’s Artemis missions, which includes landing the first woman and person of color on the lunar surface.

Source by NASA

24/04/2022

分裂宇宙

在你按下按钮之前，二种可能的未来宇宙同时存在。不过在按下按钮之后，你只能活在其中之一。在这个网路版薛定谔的猫的实验里，点选这张以太空人为主题的影像之红按钮，会把影像换成另一张由同个太空人举着活猫或死猫照片的影像。你点选的时间点、你脑子的网络和你点选设备的毫秒级时间精度，合起来造成了这个由量子力学随机性所主控的结果。

有人认为，由你所引发的量子决定将把宇宙分割为二，而死猫宇宙和活猫的宇宙，分别位在一个更大的多重宇宙之不同区域。其他人认为，你的点选会把这二个可能宇宙塌缩成一个，但到底是那一个，原则上什至事先无法预测。另外更有人相信，宇宙是古典而且确定的，所以你按钮的举动不会真的造成宇宙分裂，只是执行了开天辟地时就已经定下的行为。然而，不管你是否觉得按红钮的举止很蠢，也不管出现的虚猫是活是死，每日天文图的编辑们认为你应该偶而过过深度思索的日子。

Source by NASA 中文

24/04/2022

Axiom Mission 1 Undock Postponed to Sunday, Space Station Reboosts

At the conclusion of a weather briefing ahead of today’s planned undocking, NASA, Axiom Space, and SpaceX teams elected to wave off today’s undocking attempt due to a diurnal low wind trough which has been causing marginally high winds at the splashdown sites. The Axiom Mission 1 (Ax-1) crew is now targeting to undock from the International Space Station 8:55 p.m. EDT Sunday, April 24.

Weather permitting, the Ax-1 crew is targeted to close the hatch about 6:45 p.m. Sunday, April 24, to begin the journey home in SpaceX Dragon Endeavour with splashdown off the coast of Florida approximately 1:00 p.m. Monday, April 25.

NASA Ax-1 return coverage is as follows (all times Eastern):

Sunday, April 24

6:30 p.m. – Coverage begins for hatch closure at approximately 6:45 p.m.
8:30 p.m. – Coverage begins for undocking at about 8:55 p.m.

Source by NASA

24/04/2022

猎户座与松树

猎户腰带三星横亘在这片星空的顶部。而腰带三星最东端的参宿一（左），紧挨着散发弥漫辉光的火焰星云和著名的暗斑─马头星云。肉眼轻易可见的猎户星云，则位于腰带三星的下方。这团离我们仅有1,500光年远的星云，是离美丽地球最近的大型恒星育婴区。

在照片中方能轻易辨识的巴纳德环，其宽广暗淡的光弧，看似在拥抱猎户座的亮星和星云。在这片北半球春天的星野里，熟悉的冬季星座正在西落。而在影像右下角的西方地平线附近，猎户座明亮的蓝超巨星参宿七，看似刚好接在松树的树枝末端。

Source by NASA中文

24/04/2022

NASA and SpaceX Ad-just Agency’s Crew-4 Launch Date

NASA and SpaceX now are targeting no earlier than 3:52 a.m. EDT Wednesday, April 27, for launch of the agency’s SpaceX Crew-4 mission to the International Space Station from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.

Teams decided to wave off a potential launch opportunity on April 26 until further into the week when space station positioning and orbital mechanics are more favorable. Crew-4 has another launch opportunity available Thursday, April 28, as weather continues to be a watch item heading into next week.

For a Crew-4 launch Wednesday, April 27, NASA will host a prelaunch news teleconference at approximately 9:30 p.m. Monday, April 25, with the following participants:

- Steve Stich, manager, Commercial Crew Program, NASA Kennedy
- Joel Montalbano, manager, International Space Station Program, NASA Johnson
- Zeb Scoville, flight director, Flight Operations Directorate, Johnson
- Jessica Jensen, vice president, customer operations and integration, SpaceX
- Frank de Winne, manager, International Space Station Program, ESA
- Arlena Moses, launch weather officer, U.S. Space Force 45th Weather Squadron

Source by NASA

24/04/2022

火星与土星的近合

在这片视野中，黄道星座摩羯座里的较昏暗恒星散布在黄道面附近。不过，影像中心那二颗最亮的天体并不是恒星，而是火星与土星。这幅摄于4月4日清晨的望远镜影像，记录在黎明前的天空，这对行星以约1/3度（小于满月视张角）的间隔发生迷人的近合景象。

如果你猜火星是较红的那颗。位于火星上方稍暗一点的土星，在反射阳光后散发出淡黄的光芒。即便在低放大倍率下，仍可见到土星最大及最明亮的卫星土卫六，紧贴在土星的左侧。

Source by NASA中文

24/04/2022

NASA Releases Equity Action Plan to Make Space More Accessible to All

In support of the Biden-Harris Administration’s efforts to advance racial equity in the federal government, NASA has released its first-ever Equity Action Plan. The plan establishes key focus areas that will allow the agency to track progress toward improved diversity, equity, inclusion, and accessibility both internally and externally to NASA.

“At NASA, all of our missions depend on our steadfast commitment to equal opportunity,” said NASA Administrator Bill Nelson. “The Equity Action plan deepens our commitment to further identify and remove the barriers that limit opportunity in underserved and underrepresented communities. This framework anchors fairness as a core component in every NASA mission to make the work we do in space and beyond more accessible to all."

The four focus areas the plan addresses are:

Increasing integration and utilization of contractors and businesses from underserved communities and expanding equity in NASA’s procurement process
Enhancing grants and cooperative agreements to advance opportunities, access, and representation for underserved communities
Leveraging Earth Science and socioeconomic data to help mitigate environmental challenges in underserved communities
Advancing external civil rights compliance and expanding access to limited English proficient populations within underserved communities

Source by NASA

20/04/2022

猎户座与松树

猎户腰带三星横亘在这片星空的顶部。而腰带三星最东端的参宿一（左），紧挨着散发弥漫辉光的火焰星云和著名的暗斑─马头星云。肉眼轻易可见的猎户星云，则位于腰带三星的下方。这团离我们仅有1,500光年远的星云，是离美丽地球最近的大型恒星育婴区。

在照片中方能轻易辨识的巴纳德环，其宽广暗淡的光弧，看似在拥抱猎户座的亮星和星云。在这片北半球春天的星野里，熟悉的冬季星座正在西落。而在影像右下角的西方地平线附近，猎户座明亮的蓝超巨星参宿七，看似刚好接在松树的树枝末端。

02/04/2022

NASA Astronaut to Discuss American Space Record in News Conference

NASA astronaut Mark Vande Hei, back on Earth after breaking the record for the longest single spaceflight in history by an American, will participate in a virtual news conference at 10 a.m. EDT Tuesday, April 5, from the agency’s Johnson Space Center in Houston.

Vande Hei’s extended mission aboard the International Space Station led to a total of 355 days in space. The extended mission undertaken by Vande Hei will allow NASA to better observe the effects of long-duration spaceflight on humans as the plans to return to the Moon under the Artemis program and prepare for human exploration of Mars.

Vande Hei launched April 9, 2021, alongside Russian cosmonauts Oleg Novitskiy and Pyotr Dubrov. It was his second journey into space. The 355 day-mission is the longest single spaceflight by a U.S. astronaut and gives him a lifetime total of 523 days in space. Dubrov, who was on his first spaceflight, also remained onboard for 355 days.

The NASA astronaut returned to Earth Wednesday, March 30, along with Roscosmos cosmonauts Anton Shkaplerov and Dubrov. The trio departed the International Space Station at 3:21 a.m. EDT and made a safe, parachute-assisted landing at 7:28 a.m. (5:28 p.m. Kazakhstan time) southeast of the remote town of Dzhezkazgan, Kazakhstan. Vande Hei then returned to Houston aboard a NASA plane Thursday, March 31.

Source: NASA

Heng Ee Astronomy Club

18/11/2022

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