土屋太鳳って可愛いかも知れないけど顔でかくないか？

The Artemis I Mission: To the Moon and Back

The Artemis I mission was the first integrated test of the Orion spacecraft, the Space Launch System (SLS) rocket, and Exploration Ground Systems at NASA’s Kennedy Space Center in Florida. We’ll use these deep space exploration systems on future Artemis missions to send astronauts to the Moon and prepare for our next giant leap: sending the first humans to Mars.

Take a visual journey through the mission, starting from launch, to lunar orbit, to splashdown.

Liftoff

The SLS rocket carrying the Orion spacecraft launched on Nov. 16, 2022, from Launch Complex 39B at NASA’s Kennedy Space Center in Florida. The world’s most powerful rocket performed with precision, meeting or exceeding all expectations during its debut launch on Artemis I.

"This is Your Moment"

Following the successful launch of Artemis I, Launch Director Charlie Blackwell-Thompson congratulates the launch team.

“The harder the climb, the better the view,” she said. “We showed the space coast tonight what a beautiful view it is.”

That's Us

On Orion’s first day of flight, a camera on the tip of one of Orion’s solar arrays captured this image of Earth.

Inside Orion

On the third day of the mission, Artemis I engineers activated the Callisto payload, a technology demonstration developed by Lockheed Martin, Amazon, and Cisco that tested a digital voice assistant and video conferencing capabilities in a deep space environment. In the image, Commander Moonikin Campos occupies the commander’s seat inside the spacecraft. The Moonikin is wearing an Orion Crew Survival System suit, the same spacesuit that Artemis astronauts will use during launch, entry, and other dynamic phases of their missions. Campos is also equipped with sensors that recorded acceleration and vibration data throughout the mission that will help NASA protect astronauts during Artemis II. The Moonikin was one of three “passengers” that flew aboard Orion. Two female-bodied model human torsos, called phantoms, were aboard. Zohar and Helga, named by the Israel Space Agency (ISA) and the German Aerospace Center (DLR) respectively, supported the Matroshka AstroRad Radiation Experiment (MARE), an experiment to provide data on radiation levels during lunar missions. Snoopy, wearing a mock orange spacesuit, also can be seen floating in the background. The character served as the zero-gravity indicator during the mission, providing a visual signifier that Orion is in space.

Far Side of the Moon

A portion of the far side of the Moon looms large in this image taken by a camera on the tip of one of Orion’s solar arrays on the sixth day of the mission.

First Close Approach

The Orion spacecraft captured some of the closest photos of the Moon from a spacecraft built for humans since the Apollo era — about 80 miles (128 km) above the lunar surface. This photo was taken using Orion’s optical navigational system, which captures black-and-white images of the Earth and Moon in different phases and distances.

Distant Retrograde Orbit

Orion entered a distant retrograde orbit around the Moon almost two weeks into the mission. The orbit is “distant” in the sense that it’s at a high altitude approximately 50,000 miles (80,467 km) from the surface of the Moon. Orion broke the record for farthest distance of a spacecraft designed to carry humans to deep space and safely return them to Earth, reaching a maximum distance of 268,563 miles (432,210 km).

Second Close Approach

On the 20th day of the mission, the spacecraft made its second and final close approach to the Moon flying 79.2 miles (127.5 km) above the lunar surface to harness the Moon’s gravity and accelerate for the journey back to Earth.

Cameras mounted on the crew module of the Orion spacecraft captured these views of the Moon’s surface before its return powered flyby burn.

Heading Home

After passing behind the far side of the Moon on Flight Day 20, Orion powered a flyby burn that lasted approximately 3 minutes and 27 seconds to head home. Shortly after the burn was complete, the Orion spacecraft captured these views of the Moon and Earth, which appears as a distant crescent.

Parachutes Deployed

Prior to entering the Earth’s atmosphere, Orion’s crew module separated from its service module, which is the propulsive powerhouse provided by ESA (European Space Agency). During re-entry, Orion endured temperatures about half as hot as the surface of the Sun at about 5,000 degrees Fahrenheit (2,760 degrees Celsius). Within about 20 minutes, Orion slowed from nearly 25,000 mph (40,236 kph) to about 20 mph (32 kph) for its parachute-assisted splashdown.

Splashdown

On Dec. 11, the Orion spacecraft splashed down in the Pacific Ocean off the coast of California after traveling 1.4 million miles (2.3 million km) over a total of 25.5 days in space. Teams are in the process of returning Orion to Kennedy Space Center in Florida. Once at Kennedy, teams will open the hatch and unload several payloads, including Commander Moonikin Campos, the space biology experiments, Snoopy, and the official flight kit. Next, the capsule and its heat shield will undergo testing and analysis over the course of several months.

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Observing the Ozone Hole from Space: A Science Success Story

Using our unique ability to view Earth from space, we are working together with NOAA to monitor an emerging success story – the shrinking ozone hole over Antarctica.

Thirty years ago, the nations of the world agreed to the landmark ‘Montreal Protocol on Substances that Deplete the Ozone Layer.’ The Protocol limited the release of ozone-depleting chlorofluorocarbons (CFCs) into the atmosphere.

Since the 1960s our scientists have worked with NOAA researchers to study the ozone layer. 

We use a combination of satellite, aircraft and balloon measurements of the atmosphere.

The ozone layer acts like a sunscreen for Earth, blocking harmful ultraviolet, or UV, rays emitted by the Sun.

In 1985, scientists first reported a hole forming in the ozone layer over Antarctica. It formed over Antarctica because the Earth’s atmospheric circulation traps air over Antarctica.  This air contains chlorine released from the CFCs and thus it rapidly depletes the ozone.

Because colder temperatures speed up the process of CFCs breaking up and releasing chlorine more quickly, the ozone hole fluctuates with temperature. The hole shrinks during the warmer summer months and grows larger during the southern winter. In September 2006, the ozone hole reached a record large extent.

But things have been improving in the 30 years since the Montreal Protocol. Thanks to the agreement, the concentration of CFCs in the atmosphere has been decreasing, and the ozone hole maximum has been smaller since 2006’s record.

That being said, the ozone hole still exists and fluctuates depending on temperature because CFCs have very long lifetimes. So, they still exist in our atmosphere and continue to deplete the ozone layer.

To get a view of what the ozone hole would have looked like if the world had not come to the agreement to limit CFCs, our scientists developed computer models. These show that by 2065, much of Earth would have had almost no ozone layer at all.

Luckily, the Montreal Protocol exists, and we’ve managed to save our protective ozone layer. Looking into the future, our scientists project that by 2065, the ozone hole will have returned to the same size it was thirty years ago.

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今日の朝日が綺麗だったのであげておきます。#仙台 #sendai

SLAM学習のための参考書籍

こんばんは♪ 夏が終わったと思いきや、気づいたら11月も終わりかけですね。時が過ぎ去るのは早いw もっと有意義に時間を使わねば！と思う今日この頃です。

今日はSLAMを学習する上で私が参考にしたオススメの書籍を紹介したいと思います(^^)v まず１冊目はこれです！

『確率ロボティクス』

SLAM学習の鉄板、『確率ロボティクス』です！ この書籍はあの上田隆一先生が翻訳されたんですよ(^^) 10年前くらいに１度発売されてたんですけど、すぐに絶版となってしまい入手が非常に困難となっていました。いくら探しても見つからず諦めかけていたのですが、2015年4月にマイナビBOOKSより復活したことを知り、思わず購入ボタンをポチってしましました（笑） 内容は結構難しく、カルマンフィルタやベイズ統計の基礎知識を持っていないと理解するのが厳しいと思います。しかし、この本に書かれている内容を全て理解できたときは、SLAMエンジニアとしての大幅な戦闘力向上が見込めると思います(笑) 私が最もオススメする１冊です。現在、誠意学習中です！

確率ロボティクス　プレミアムブックス版

続いて２冊目です！

『カルマンフィルタの基礎』

『確率ロボティクス』にもカルマンフィルタの話は出てくるのですが、正直事細かくは書いてないです。よって、カルマンフィルタの知識がない人はまずこの本で学習してから『確率ロボティクス』を読むようにしたほうがよいと思います。 この本はカルマンフィルタについて、かなり細かく書かれています。数式の証明等もあるため、本書の内容を熟知できれば、『確率ロボティクス』のカルマンフィルタの章は余裕で理解できると思います。 しかし、カルマンフィルタは「ベイズ統計」ベースとしたアルゴリズムです。よって、本書を読む際に、「ベイズ統計」の知識を持っていた方がベターかと思われます。

最後、３冊目です！

『道具としてのベイズ統計』

「カルマンフィルタの基礎」を読んでいて、ベイズ統計の話が難しく感じたら、先に本書を読むことをオススメします。本書はベイズ統計について、かなり易しく書かれています。例題も結構あるため、問題を解きながら直感的に理解できるのではないかと思います。(^^)v

以上、私がオススメする３冊でした。

おおちゃく...

結局一からサイトを編集するのやめて既存のテーマを使わせていただきました。 おおちゃく者ですね。ハイ。 さてそろそろこっちも時間があればグダグダ動かしていこうと思います(何度目だまったく)。 それではまた

Hello.

I still is making Tumblr's home page. this work is very hard.but I can belieave I perfect this work.

【悲報】お母さんと一緒にアニメイトに行こう！とか言う狂気のフェアが始まる

1: 風吹けば名無し＠＼(^o^)／ 2017/01/18(水) 16:07:45.13 ID:8TAZ5DS60.net 【フェア情報】『お母さんと一緒にアニメイトに行こう！「ファンタジア大賞受賞4作品発売記念フェア」』が1/20開催！！対象商品を【お母さんと一緒に！】ご購入して頂いたお客様！！又は、対象商品を3冊ご購入で【小冊子】をプレゼントマチ★ pic.twitter.com/WDRKVcqQZK — アニメイト町田＠リニューアル (@animatemachida) 2017年1月18日 https://twitter.com/animatemachida/status/821528912157024256 2: 風吹けば名無し＠＼(^o^)／ 2017/01/18(水) 16:08:32.83 ID:o7SgdXRgM.net えぇ… 5: 風吹けば名無し＠＼(^o^)／…

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デニーズのモーニング。今度行ってみよう。

初‼︎#エスパル2