Avaruus

[tonoppa]

Lensihän se, ilmaan. Ho hoo. Too soon?
Huh, joku todella paha materiaalivirhe että nestemäistä polttoainetta käyttävät moottorit räjähtävät noin väkivaltaisesti?
Tulee pitkä viivästys. Kesäkuussa oli tarkoitus tehdä nousun keskeytystesti käyttäen tuota kapselia, joka nyt tuhoutui.

Ilmassa on paljon spekulaatiota, että kyseessä ei olisi SuperDraco-moottorin räjähdys, vaan alkupiste olisi aluksen sisällä, joka taas viittaisi paineistettuihin tankkeihin(COPV). Toki tämä on tuon suttuisen videon perusteella todella spekulatiivista. Mutta jos näin on, tämä saattaa heijastua myös Dragon-rahtialukseen, jossa ei ole SuperDracoja(nykyisellään noita käytetään launch escapeen, suunniteltu myös laskeutumiseen), mutta polttoaine on samaa ja käytössä on samat Draco-moottorit joita käytetään kiertoradalla.

Mielenkiinnolla odotan kun asiasta selviää jotain konkreettista, mutta takaisku on todella harmillinen koska myös Boeingilla on ollu ongelmia ja viivästyksiä oman Starliner-aluksensa kanssa. Tämä saattaa jälleen kerran pidentää Yhdysvaltain riippuvuutta Venäjän Soyuz-kyydeistä.

 

[ctg]

Pysyn väitteessäni että viime vuotena nähnyt Marssin tulivuoren juurella olleet pilvet olivat peräisin geologisesta tapahtumasta, kuten kaasu taikka laava purkauksesta eikä mistään jäähile pilvestä. Nyt heillä on siitä geologiesta toiminnasta todisteita. Mars elää. Ei yhtä vilkaasti kuin täällä tai Venuksessa, mutta on elossa kuitenkin.

After landing on Mars last November, the InSight probe first deployed a suite of meteorological equipment and then began to check the health of its science instruments. Following this, the NASA lander extended its French-made seismometer to the red planet's surface in December, then commissioned the instrument in early February.

InSight began listening. Finally, on April 6, the seismometer detected a weak but distinct seismic signal. It was, scientists concluded, a shaking of the ground coming from the interior of the world, not due to some external factor such as wind.

"We've been waiting months for our first marsquake," said Philippe Lognonné, the principal investigator for the seismometer mission, which was developed by the French space agency CNES. "It's so exciting to finally have proof that Mars is still seismically active. We're looking forward to sharing detailed results once we've studied it more and modeled our data."

Of course, scientists have measured earthquakes on our own planet for more than a century. And astronauts Neil Armstrong and Buzz Aldrin deployed a seismometer on the Moon in 1969, nearly 50 years ago, to study the internal structure of the Moon. They found an incredibly geologically active world.

https://arstechnica.com/science/2019/04/listen-up-weve-detected-our-first-marsquake/

 

[fulcrum]

Jossain oli arvioitu että tuoreimmat laavakentät Olympus Monsin olisivat vain noin 1-2 miljoonaa vuotta vanhoja. Tämä on geologisella mittapuulla ihan vasta, ja olisi aika huikea sattuma että Marsin vulkaaninen toiminta olisi loppunut miljardien vuosien jälkeen ihan justiinsa. Uusia pienehköjä purkauksia on varmasti jossain vaiheessa vielä tulossa.

 

[ctg]

Uusia pienehköjä purkauksia on varmasti jossain vaiheessa vielä tulossa.

Jos muistan oikein niin se kuvissa nähty purkaus on neljän vuoden välein.

Three other seismic signals occurred on March 14 (Sol 105), April 10 (Sol 132) and April 11 (Sol 133). Detected by SEIS' more sensitive Very Broad Band sensors, these signals were even smaller than the Sol 128 event and more ambiguous in origin. The team will continue to study these events to try to determine their cause.

Regardless of its cause, the Sol 128 signal is an exciting milestone for the team.

"We've been waiting months for a signal like this," said Philippe Lognonne, SEIS team lead at the Institut de Physique du Globe de Paris (IPGP) in France. "It's so exciting to finally have proof that Mars is still seismically active. We're looking forward to sharing detailed results once we've had a chance to analyze them."

Most people are familiar with quakes on Earth, which occur on faults created by the motion of tectonic plates. Mars and the Moon do not have tectonic plates, but they still experience quakes - in their cases, caused by a continual process of cooling and contraction that creates stress. This stress builds over time, until it is strong enough to break the crust, causing a quake.

Detecting these tiny quakes required a huge feat of engineering. On Earth, high-quality seismometers often are sealed in underground vaults to isolate them from changes in temperature and weather. InSight's instrument has several ingenious insulating barriers, including a cover built by JPL called the Wind and Thermal Shield, to protect it from the planet's extreme temperature changes and high winds.

SEIS has surpassed the team's expectations in terms of its sensitivity. The instrument was provided for InSight by the French space agency, Centre National d'Etudes Spatiales (CNES), while these first seismic events were identified by InSight's Marsquake Service team, led by the Swiss Federal Institute of Technology.

"We are delighted about this first achievement and are eager to make many similar measurements with SEIS in the years to come," said Charles Yana, SEIS mission operations manager at CNES.

http://www.marsdaily.com/reports/In..._audio_of_first_likely_quake_on_Mars_999.html

 

[ctg]

Tämä vetää hieman sanattomaksi.

Researchers at the University of New Hampshire Space Science Center find that "speed bumps" in space, which can slow down satellites orbiting closer to Earth, are more complex than originally thought.

"We knew these satellites were hitting "speed bumps", or "upswellings", which cause them to slow down and drop in altitude," said Marc Lessard, a physicist at UNH. "But on this mission we were able to unlock some of the mystery around why this happens by discovering that the bumps are much more complicated and structured."

In the study, published in AGU's journal Geophysical Research Letters, scientists outline their observations during the Rocket Experiment for Neutral Upwelling 2 (RENU2) mission finding that a type of high-altitude auroras, or northern lights, are responsible, at least in part, for moving pockets of air high into the atmosphere where they can cause drag on passing satellites, similar to driving a car into a strong headwind.

http://www.spacedaily.com/reports/U...ral_speed_bumps_are_more_complicated_999.html

 

[ctg]

A group of undergrad students is developing a magnetic shield to defend interplanetary astronauts from the intense cosmic radiation between Earth and Mars.

The students, from Drake University in Iowa, presented their project in the poster session Saturday (April 13) at the April meeting of the American Physical Society. Their MISSFIT (Magneto-Ionization Spacecraft Shield for Interplanetary Travel) design uses a powerful magnetic shield that, like Earth's magnetosphere, protects the planet from high-energy particles. The defense system also incorporates "passive" shielding to mimic the ionosphere — Earth's second layer of defense.

With help from a small NASA grant through the Iowa Space Grant Consortium, experiments are already underway on the passive shielding, which could protect astronauts from high-energy gamma-rays that a magnetic shield can’t stop. The hope, said Lorien MacEnulty, a junior at Drake and a member of the team, is to solve a key safety problem that's delayed an eventual NASA mission to Mars: long-term exposure to interplanetary radiation.

https://www.space.com/magnetic-space-shield-mars-mission.html

Jos raketti taikka moottori pidetään keskellä niin miksi sen ympärille ei voisi tehdä näitä magneettisia suojia kehän muotoon?

 

[Sarek1]

https://www.space.com/magnetic-space-shield-mars-mission.html

Jos raketti taikka moottori pidetään keskellä niin miksi sen ympärille ei voisi tehdä näitä magneettisia suojia kehän muotoon?

Vähän niinkuin näin?

Tämä alkaa muistuttaa jo jotakin...

Spoiler: To boldly go...

 

[ctg]

Russian State Space Corporation Roscosmos and Rocket and Space Corporation Energia have received FEDOR (Final Experimental Demonstration Object Research) anthropomorphic robot for its potential use in manned space missions, Roscosmos Director General Dmitry Rogozin said on Thursday.

"FEDOR - anthropomorphic rescue robot developed by the Android Technology R and D Company as well as the Russian Foundation for Advanced Research Projects - has been handed over to Roscosmos and RSC Energia for studying the opportunity of using it in manned missions. Now the robot is working on fine motor skills", Rogozin wrote on his Twitter page.

Last year, a source in the space and rocket industry told Sputnik that Roscosmos wanted to send two robots to the International Space Station in 2019 on board of the Soyuz-MS unmanned spacecraft. The flight is scheduled for 22 August 2019.

FEDOR is also going to be used during the flight of the new spacecraft Federatsiya, scheduled for 2022. The Federation spacecraft has been designed to deliver up to four people and cargo to the Moon and space stations in low Earth orbits. The spacecraft's autonomous flight period is estimated at up to 30 days, with the capacity to stay attached to a space station for up to a year.

Russia's Energia space corporation earlier said that the Federation, which is 80 percent built of composite materials, will be manufactured by 2021.

http://www.spacedaily.com/reports/F...ropomorphic_Robot_for_Manned_Mission_999.html

 

[ctg]

Mielenkiinnolla odotan kun asiasta selviää jotain konkreettista,

"The firing was intended to demonstrate integrated systems SuperDraco performance in two times vehicle level vibro-acoustic-like for abort environments," Sanders said. Sanders explained that the test was simulating the Falcon 9 rocket below the spacecraft breaking apart and triggering an abort.

"Firing of 12 service section Dracos were successfully performed," she said, noting that the 12 smaller Draco engines used for in-space maneuvering functioned normally. "Firing of eight SuperDracos resulted in an anomaly," Sanders concluded. This suggests the anomaly occurred during or just after the SuperDraco test. Sanders also noted that SpaceX followed all safety protocols for the test and that no one was injured.

Later during the meeting, another member of the safety panel, former astronaut Sandy Magnus, said she understood the public's desire to know more about the accident. Some people, including the editorial board of the Orlando Sentinel, have called for more information to come out immediately.

https://arstechnica.com/science/201...more-detail-on-dragon-anomaly-urges-patience/

 

[ctg]

It was only a little more than one month ago that Vice President Mike Pence gave NASA a bold new direction—a goal of landing humans back on the Moon by 2024. Be urgent, he told the space agency. Work with purpose. We can, and must, do better as a nation in space, he said.

But in the weeks since Pence's speech in Huntsville, Alabama, the reality of space policy has begun to settle in. For starters, it won't be cheap to return to the Moon. Moreover, elements of NASA's bureaucracy have already begun to resist the accelerated schedule and pressure the White House to hew to existing plans. And politically, the goal may well be a non-starter in a divided Congress.

https://arstechnica.com/science/201...eaucracy-may-doom-plan-for-2024-moon-landing/

Arvasin, jenkit voivat olla kiinnostuneita Kuu tukikohdasta mutta poliittinen johto pitää kukkaron nyörit tiukalla ettei yhtään penniä livahda Nasan budjettiin edes auttamaan paluuta Kuuhun.

For the last month, NASA has been working with the White House Office of Management and Budget to develop an amendment to President Trump's budget request for fiscal year 2020, which will seek additional funding for the accelerated Moon program. The amendment may come out this week, or it could be delayed further as wrangling continues. When it is released, the amendment will provide our first clear indication of how much bringing forward a lunar landing from NASA's originally planned date, 2028, to 2024 would cost.

It will be a lot of money, regardless. According to two Washington, DC-based sources, NASA has informed the White House that it will need as much as $8 billion a year, for the next five years, to speed development of the Space Launch System rocket, a Lunar Gateway, a lunar lander, new spacesuits, and related hardware for a 2024 landing. This is on top of the agency's existing annual budget of about $20 billion, which includes everything from the International Space Station to astrophysics research.

Kahdeksan miljardia vuodessa ei pitäisi olla iso ongelma heille. Sen melkein voisi saada pelkästään yksityisiltä, jos Trumpi uskaltaisi kysyä. Nasa on laskenut että he tarvitsevat seuraavan viiden vuoden aikana 40 miljardia taalaa hankkeeseen, mutta poliitista tahtoa sille ei ole. Homma rupeaa näyttämään siltä että yksityiset perivät Kuun ja valtiolliset jäävät nuolemaan näppejään.

 

[ctg]

Blue Origin

is apparently set to make a big announcement next week, and the only clue we have to go on is a photo of famed Antarctic explorer Ernest Shackleton's ship, the Endurance.

The spaceflight company, which is run by Amazon.com founder Jeff Bezos, tweeted a photo of the Endurance on Friday (April 26) and wrote simply, "5.9.19" — an apparent reference to next Thursday (May 9). So, we can expect to hear some news that day.

What kind of news will it be? If we take a few logical leaps based on the photo and Blue Origin's ambitious plans, it seems reasonable to speculate that the announcement will be moon-related.

https://www.space.com/blue-origin-mystery-annoucement-may-9.html

 

[ctg]

During a news conference Thursday in advance of a SpaceX supply mission to the International Space Station, the company's vice president of mission assurance, Hans Koenigsmann, provided some additional details about a failure with the company's Crew Dragon spacecraft 12 days ago.

In the company's most expansive comments to date, Koenigsmann said the "anomaly" occurred during a series of tests with the spacecraft, approximately one-half second before the firing of the SuperDraco thrusters. At that point, he said, "There was an anomaly and the vehicle was destroyed."

https://arstechnica.com/science/201...efore-the-firing-of-its-superdraco-thrusters/

SpaceX Dragon tuhoutui juuri ennen SuperDracojen laukaisua!

Before this accident, SpaceX and NASA had been targeting early October for the first crewed Dragon mission to the station. Now, that will almost certainly be delayed by at least several months into 2020. At Thursday's news briefing, Koenigsmann said the schedule impact will depend on what the investigation turns up. "I hope this is a relatively swift investigation at the end of the day," he said. "I don’t want to completely preclude the current schedule, but certainly this is not good news for the schedule."

Although NASA has stood by SpaceX after the accident, there are hints of future political problems. One of the sharpest critics of SpaceX, Alabama Senator Richard Shelby, said Wednesday that NASA should conduct an independent investigation of the accident. He appeared unhappy with NASA's decision to conduct a side-by-side investigation with SpaceX. "Can you be independent, and reach independent conclusions, if you're doing something jointly with somebody?" he asked during a Senate committee hearing. "That's not the norm, I think, and it's something we'll check out."

 

[Passi]

. Homma rupeaa näyttämään siltä että yksityiset perivät Kuun ja valtiolliset jäävät nuolemaan näppejään.

Keillä toimijoilla on menossa varteenotettava miehitetty kuulento projekti?

Sitäkin olen ihmetellyt että missä on ansainta logiikka jos NASA ei ole tuotteiden/palveluiden tilaaja. Kuuturismi?

 

[ctg]

Kuuturismi?

Raskas Teollisuus. Tutkimuskeskus, mihin on vaikea ulkopuolisen päästä. Raaka-aineet ja harvinaiset mineraalit. Kuusta on myös helpompi päästä kiertoradalla kuin Maasta, ja jos sun projekti on planeettojen välinen matkailu niin on helpompaa väsätä avaruuslaiva siellä kuin täällä, mutta kaikki tuo vaatii investiontia tukikohtaan.

 

[miheikki]

#paskominen

Suomen Sotilas
13 hrs ·
Intia demonstroi kykyään tuhota satelliitteja. Intialaiset tuhosivat maaliskuussa ohjuksella matalalla kiertoradalla lentävän maalisatelliitin.
Samalla Intia tuli suututtaneeksi ainakin Yhdysvaltojen avaruushallinnon NASA:n. Sen mukaan valtavalla nopeudella tyhjyydessä kiitävät tuhotun satelliitin sirpaleet ovat uhka eritysesti miehitetylle kansainväliselle avaruusasemalle ISS:lle.
Intia sanoo valinneensa matalalla lentävän maalin juuri siksi, että tuhoutuneen satelliitin kappaleet palaisivat ilmakehässä pudotessaan maahan. NASA:n mukaan tämä vie kuitenkin liian pitkän aikaa.
NASA:sta kerrotaan, että he pystyvät seuraamaan yli 10 cm halkaisijaltaan olevia tuhoutuneen satelliitin kappaleita, joita on havaittu jo yli 60. Näistä jopa 24 on lentänyt jopa ISS-avaruusasemaa korkeammalle kiertoradalle.
Sanomattakin lienee selvää, että näin isojen kappaleiden osuessa suurella nopeudella avaruusasemaan, jälki olisi katastrofaalista.
"Tällainen toiminta ei kuulu avaruuslentojen tulevaisuuteen", NASA:n Jim Bridenstine totesi.
Nyt Yhdysvalloissa pelätään, että Intian demonstraation vuoksi myös muut avaruuteen tähtäävät valtiot haluavat esitellä kykyjään satelliittien tuhoamisessa.
Satelliittien tuhoaminen joko maasta tai toisesta satelliitista on ollut tabu avaruudessa toimiville valtioille. Erityisesti kylmän sodan aikana sekä USA että Neuvostoliitto pidättyi tällaisten kykyjen esittelystä. Tämä siksi, että globaalin ydinsodan välttämiseksi satelliitteihin perustuva ohjusten laukaisusta kertova varoitusjärjestelmä oli elintärkeä kummallekin supervallalle. Satelliittien tuhoaminen olisi voinut johtaa ensi-iskuun altavastaajaksi itsensä kokeneen suurvallan taholta.
//pm

'A terrible, terrible thing': NASA said India's satellite destruction created so much space junk it threatens the safety of the International Space Station

NASA's administrator, Jim Bridenstine, says India's satellite shattered into pieces of debris that pose an "unacceptable" threat to ISS astronauts.

www.businessinsider.com

 

[Fremen]

Hieno yhteenveto kymmenestä kiehtovasta ilmiöstä Kosmoksessa, joille ei yrityksistä huolimatta ole löydetty oikeastaan mitään tyhjentävää selitystä (tekijällä muitakin hyviä videoita, suosittelen):

 

[ctg]

Japan can finally include itself among the ranks of countries with successful private spaceflight outfits. Interstellar Technologies has successfully launched its MOMO-3 sounding rocket into space, with the vehicle easily crossing the Kármán line (62 miles in altitude) before splashing into the Pacific. It's a modest start -- the rocket only stayed aloft for 8 minutes and 35 seconds -- but it's also a relief after Interstellar's previous two attempts ended in failure.

There was a fair amount riding on the mission. Interstellar's ultimate aim is to ferry small satellites into orbit at a fraction of the cost of government launches, and this takes the company one step closer to achieving its dream. It also relieves some of the pressure on Interstellar founder Takafumi Horie. There had been skepticism about the Livedoor creator's spaceflight chops given his controversial entrepreneurial history (including a conviction for accounting fraud). This shows that his initiative can work on a basic level -- the challenge is translating a test like this into a full-fledged business.

https://www.engadget.com/2019/05/05/first-private-japanese-rocket-reaches-space

 

[ctg]

It seems like everyone wants to go someplace in the Solar System. President Trump wants to go to the Moon. Elon Musk wants to go to Mars. Others want to go to an asteroid.

So, what is the easiest way to go anywhere in the Solar System? Well, most people don't know this, but the answer is to do it in stages. One approach that NASA is considering is the Lunar Gateway, a large spacecraft in orbit around the Moon. This would be modular and be able to support human missions to the lunar surface with reusable lander elements. For the first time NASA and its international partners would have access to more of the lunar surface than ever before.

http://www.spacedaily.com/reports/Gateway_to_the_Solar_System_999.html

 

[ctg]

3D printattuja mökkejä avaruuskäyttöön.

In a cavernous arena outside of Peoria, Illinois, two industrial robots worked against the clock last weekend to finish their tasks. Each had been converted into a towering 3-D printer and programmed to build one-third-scale models of extraterrestrial habitats. For 30 hours over three days, generators chugged and hydraulics hissed as robotic arms moved in patterns, stacking long beads of thick “ink” into layers. Gradually, familiar forms began to emerge from the facility’s dirt floor: a gray, igloo-like dwelling and a tall, maroon egg.

Humanity’s future on Mars was taking shape.

The machines belonged to two teams, one from Penn State and the other from a New York-based design agency called AI SpaceFactory, that were competing in the final phase of NASA’s 3D-Printed Habitat Challenge. Each team had to develop an autonomous printer that operated with as little human intervention as possible, used materials or recyclables found on Mars or the moon, and passed the scrutiny of judges as well as rigorous structural testing.

https://spectrum.ieee.org/tech-talk.../3d-printers-could-build-future-homes-on-mars

Keillä toimijoilla on menossa varteenotettava miehitetty kuulento projekti?

Tuo AI SpaceFactory on esimerkki vakavista toimijoista.

 

[ctg]

The Double Asteroid Redirection Test (DART) - NASA's first mission to demonstrate a planetary defense technique - will get one chance to hit its target, the small moonlet in the binary asteroid system Didymos.

The asteroid poses no threat to Earth and is an ideal test target: measuring the change in how the smaller asteroid orbits about the larger asteroid in a binary system is much easier than observing the change in a single asteroid's orbit around the Sun. Work is ramping up at the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, and other locations across the country, as the mission heads toward its summer 2021 launch - and attempts to pull off a feat so far seen only in science fiction films.

To navigate the DART spacecraft to its intended target - a binary asteroid that consists of a small moon (Didymos B) orbiting a larger body (Didymos A) - scientists need to understand how the system behaves.

http://www.spacedaily.com/reports/N...ion_to_collide_with_asteroid_in_2022_999.html

Laitan tänne enkä konflikti osioon vaikka tekisi mieli.