Archiv: Mars (planet)


26.02.2025 - 00:36 [ Daniel Neun / Radio Utopie ]

Unser System: Das Ende der zivilen Europäischen Weltraumfahrt

(July 21, 2008)

DIE ISS: KALT SABOTIERT UND IN DER SACKGASSE

NASA-Chef Michael Griffin hat selbst die Entwicklung des „Space Shuttle“ und der Internationalen Raumstation ISS als „einen Fehler“ („a mistake“) bezeichnet. Erst nach verblüfften Protesten aus der Wissenschaft zog er halbherzig zurück. Aber mehr und mehr fragen sich die Beobachter aus Wissenschaft und Weltöffentlichkeit, ob man es mit einem neuen „Wettrennen im Weltraum“ zu tun hat, welches eher militärisch motiviert ist.

An ISS und Space Shuttle (siehe Screenshot, aus einem Bild der ESA) wird kritisiert, dass sie keinen „Gewinn“ abwerfen. Auf den ersten Blick einfach grosser Quatsch. Auf den zweiten skrupelloses Kalkül. Man will die zivilen Projekte einfach loswerden und denkt sich eine entsprechend dumme Luftblase aus, um diese dann testweise in die Öffentlichkeit zu setzen, dann entweder bei entsprechendem Geschrei zurückzuziehen und wegzuheucheln oder einfach immer weiter mit dem Abbau der zivilen Wissenschaft zu machen bis alles zerstört, runiert und endlich verloren ist.

Einfacher Hintergedanke: wenn man einen Krieg führen will, braucht man einen Feind, keinen Mitmenschen auf irgendeinem Planeten mit dem man dies und das gemeinsam hat. Das verwirrt nur die blöde Hammelherde die man an die Front quatschen will.

Die ISS, obgleich nicht mal fertiggebaut, steht ab 2010 ohne Versorgungsfähre da, weil die NASA auch die Space Shuttles einmottet und seit den 70er Jahren, unter den 8 Jahren Ronald Reagan mit seinem Vize George Bush, dessen 4 Jahren als Präsident, 8 Jahren Bill Clinton und dann noch 8 Jahre George Bush Junior oben drauf, kein Nachfolgemodell entwickelt hat.

Den für 2015 in Aussicht gestellten US-Raumgleiter „Orion“ darf man nicht als schlechten Witz bezeichnen, man muss es. Er besteht nur auf dem Papier, ebenso wie die notwendige Trägerrakete Ares.
Beide Luftnummern sollen im Rahmen dieses wohlklingenden „Project Constellation“ angeblich aus uralten Komponenten des „Apollo“-Programms, ja sogar aus der steinzeitlichen Delta-IV Rakete (ausgerechnet von Boeing) zusammen gesetzt werden.

Deshalb müssen ab 2010 nun zur Versorgung der ISS die Russen einspringen – mit den uralten Kapseln der Sojus-Kapseln. Es ist zum Verzweifeln.
Und ab 2015, so drohte NASA-Chef Griffin indirekt, ist das Projekt ISS sowieso hinfällig.

Auch nicht die ESA, die kanadische oder die japanische Raumfahrtbehörde machen z.Z. irgendwelche Anstrengungen um die Zukunft der einzigen Raumstation der Menschheit im All zu retten.
Dabei werden dann wirre Pläne über Mond- und Marsmissionen in die Welt gesetzt die völlig irreal und nicht umzusetzen sind, weil bei immensen technischen und infrastrukturellen Problemen trotzdem alle gegeneinander arbeiten und vor einander warnen, besonders vor den Chinesen welche zwar auffällig zielstrebig und fleissig ihre Raumfahrt selbstständig ausbauen, aber gerade mal ihren ersten Taikonauten ins All gebracht haben und noch mindestens 10 Jahre hinter dem Stand der Russen und Amerikaner sind.

Und die Franzosen? Sie hatten schon Mitte der 70er Jahre die Pläne für den Raumgleiter „Hermes“ in der Schublade, die natürlich konsequent nicht umgesetzt wurden.
1987 wurde dann endlich der erste Schritt getan, um das ganze Programm dann 6 Jahre später wieder einzustellen, ausgerechnet mit der Explosion der Challenger-Raumfähre als Begründung, die bereits 1986 erfolgt worden war.
Einerseits müsse man jetzt wohl doch Schleudersitze einbauen (was für ein Witz), deswegen könne man weniger Astronauten und Fracht mitnehmen, ausserdem habe man kein Geld und ausserdem brauche man eh keine Raumfähre.

Jetzt von einer Mondfahrt, oder gar einer Reise zum Mars zu erzählen, ist irrational und unwissenschaftlich. Letzteres ist mit normalen Verbrennungstechniken bzw. chemischen Triebwerken sowieso nicht zu schaffen, und der Ionenantrieb, dessen erste Entwürfe vom deutschen Hermann Oberth aus den 20er Jahren stammen, dümpelt leise vor sich hin. Funktionieren tut er nur im Vakuum, nicht in der Atmosphäre. Starten könnte man nur von einer Raumwerft, deren Anfang wäre erst einmal eine orbitale Station, die aber wird gerade versenkt, usw.

Man erzählt das Eine und macht genau das Andere.
Das ist keine Wissenschaft. Das ist Politik.

26.02.2025 - 00:21 [ Tagesschau.de ]

Raumfahrt: Musk, die ISS und die gestrandeten Astronauten

(February 22, 2025)

Der ehemalige Astronaut Ulrich Walter bringt einen weiteren Player ins Spiel: „Die Inder haben auch ein bemanntes Raumfahrtprogramm, und falls die USA als Partner wegfallen, würde ich eine langfristige Zusammenarbeit mit den Indern empfehlen.“

Klar ist: Auf unabsehbare Zeit hat Europa keine eigene Rakete und kein Raumschiff, um selbst Astronauten in den Weltraum zu bringen. Wenn früher als geplant auch noch die ISS wegfällt, könnte es für ESA-Astronauten düster aussehen.

28.10.2022 - 15:35 [ Schenectady Gazette / Google.com ]

Methane, Ammonia on Mars? Mariner 7 Sees Hint of Life

(8.August 1969)

Pimentel´s evidence was from an infrared spectrometer, designed to detect elements by measuring their radiation.

28.10.2022 - 15:33 [ BusinessInsider.com ]

NASA images show a meteor crashed into Mars, triggered a big quake, and kicked up surprise water ice

A meteor crashed into Mars on Christmas Eve 2021, and shook the planet so much that NASA‘s InSight lander recorded the rumblings.

Scientists didn‘t know where the quake came from until NASA‘s Mars Reconnaissance Orbiter, a spacecraft circling the red planet, captured images of the new impact crater. NASA revealed the discovery on Thursday.

15.07.2021 - 07:28 [ Carl Sagan, George Mullen / University of Texas at Austin ]

Earth and Mars: Evolution of Atmospheres and Surface Temperatures

(7. Juli 1972)

Indeed, detailed global climatic models (17) suggest that a relative increase in A of only 2 percent is enough to induce extensive glaciation on Earth, which implies that the present climate is extremely sensitive to albedo. This leaves changes in atmospheric composition as a possible explanation. Major variations in the CO2 abundance will have only minor greenhouse effects because the strongest bands are nearly saturated. A change in the present CO2 abundance by a factor of 2 will produce directly a 2° variation in surface temperature (18). The CO2 abundance is highly controlled by silicate-carbonate equilibria; by buffering with seawater, which contains almost 100 times the atmospheric CO2; and by the respiration and photosynthesis feedback loop (19).

24.05.2021 - 13:32 [ China National Space Administration ]

China‘s Tianwen-1 probe sends back Mars landing visuals

Two photos and two videos captured by China‘s Mars probe Tianwen-1 during and after the country‘s first landing on the red planet were released on Wednesday.

24.05.2021 - 13:21 [ iGadgetPro / Youtube ]

Zhurong Rover is driving on Mars sending back new images (Chinese Tianwen-1 mission)

On May 21, 2021 CNSA published images of Mars Rover Zhurong driving on Red Planet around general station. The rover‘s mission planned tasks are to: Study the topography and geology of the local area; examine the soil and any ice content; survey the elements, minerals and rocks; atmospheric sampling.

21.02.2021 - 15:02 [ Thomas Zurbuchen / Twitter ]

Since the @NASAPersevere landing, we’ve been prioritizing two types of data: first-of-its-kind footage from the rover’s entry, descent & landing. And, health & safety data for the rover & its subsystems. We’ll release more images & video on Monday in a news briefing at 2pm ET.

21.02.2021 - 14:10 [ Carl Sagan, George Mullen / University of Texas at Austin ]

Earth and Mars: Evolution of Atmospheres and Surface Temperatures

(7. Juli 1972)

Indeed, detailed global climatic models (17) suggest that a relative increase in A of only 2 percent is enough to induce extensive glaciation on Earth, which implies that the present climate is extremely sensitive to albedo. This leaves changes in atmospheric composition as a possible explanation. Major variations in the CO2 abundance will have only minor greenhouse effects because the strongest bands are nearly saturated. A change in the present CO2 abundance by a factor of 2 will produce directly a 2° variation in surface temperature (18). The CO2 abundance is highly controlled by silicate-carbonate equilibria; by buffering with seawater, which contains almost 100 times the atmospheric CO2; and by the respiration and photosynthesis feedback loop (19).

21.02.2021 - 03:27 [ NASA.gov ]

NASA’s Mars Helicopter Reports In

f Ingenuity succeeds in taking off and hovering during its first flight, over 90% of the project’s goals will have been achieved. If the rotorcraft lands successfully and remains operable, up to four more flights could be attempted, each one building on the success of the last.

“We are in uncharted territory, but this team is used to that,” said MiMi Aung, project manager for the Ingenuity Mars Helicopter at JPL.

20.02.2021 - 11:33 [ Schenectady Gazette / Google.com ]

Methane, Ammonia on Mars? Mariner 7 Sees Hint of Life

(8.August 1969)

Pimentel´s evidence was from an infrared spectrometer, designed to detect elements by measuring their radiation.

20.02.2021 - 11:30 [ Space,com ]

NASA‘s Mars rover Perseverance landing: Everything you need to know

)18.02.2021)

Once the pristine Mars material is on the ground, scientists in labs around the world can scrutinize it using far more powerful and precise equipment than a single rover can carry to the Red Planet.

20.02.2021 - 11:27 [ NASA.gov ]

Touchdown! NASA‘s Mars Perseverance Rover Safely Lands on Red Planet

(18.02.2021)

Subsequent NASA missions, in cooperation with ESA, will send spacecraft to Mars to collect these cached samples from the surface and return them to Earth for in-depth analysis.

06.02.2021 - 08:35 [ NDTV ]

China‘s Space Probe Sends Back Its First Image Of Mars

The black-and-white photo released late Friday by the China National Space Administration showed geological features including the Schiaparelli crater and the Valles Marineris, a vast stretch of canyons on the Martian surface.

27.11.2020 - 22:14 [ France24 ]

Cyprus rocky testing ground for Mars

The CSEO is taking part in a major international research project on Mars, in collaboration with three other European countries as well as the United States.

27.09.2020 - 15:59 [ Ansa.it ]

Italy, USA sign moon-exploration agreement

Italy and the United States on Friday signed a declaration of intent for exploration of the moon linked to the Artemis programme.
The deal was signed in Rome by Cabinet Secretary Riccardo Fraccaro in video link with NASA Administrator Jim Bridenstine.

15.09.2020 - 16:30 [ University of North Carolina at Charlotte ]

Solar Rotation Effects on The Thermospheres of Mars and Earth

(spring 2006)

The first thing that must be understood in this paper is the chain of events that is being tracked. From the Sun‘s rotational quirks, to their effects on CO2 in the respective atmospheres of Mars and Earth. There is also a comparison to older, normalized data from Venus.

(…)

Interestingly, once the data was compiled, there was no correlation found between the levels of CO2 found in the upper atmosphere (~150km on Earth, where this transformation takes place.) Broadening their search, the authors found a strong correlation between the ratio of CO2/O2 and the thermal changes. They feel this suggests that the thermal diffusion effect relies on some form of resonance between the two molecules involved

23.07.2020 - 12:35 [ Tagesschau ]

Wettlauf zum Mars

(Stand: 23.07.2020 10:28 Uhr)

Die Chinesen nennen ihre Sonde „Fragen an den Himmel“, die Vereinigten Arabischen Emirate setzen auf „Hoffnung“, und die Amerikaner starten mit „Durchhaltevermögen“: Drei Länder machen sich auf den Weg zum roten Planeten.

26.05.2020 - 12:10 [ France24 ]

China‘s space programme targets July launch for maiden mission to Mars

The Mars mission is among a number of new space projects China is pursuing, including putting Chinese astronauts on the moon and having a space station by 2022.

09.03.2020 - 12:12 [ National Aeronautics and Space Administration ]

Curiosity‘s 1.8-Billion-Pixel Panorama

A version without the rover contains nearly 1.8 billion pixels; a version with the rover contains nearly 650 million pixels. Both versions are composed of more than 1,000 images that were carefully assembled over the following months.

09.03.2020 - 12:10 [ CBS News ]

Curiosity rover captures highest-resolution panorama photo of Mars ever taken

Scientists have spent the last few months assembling the nearly 1,200 images to create one cohesive picture, NASA said in a press release. They were taken with the rover‘s Mast Camera, or Mastcam, using its telephoto lens between November 24 and December 1, when the entire mission team on Earth was off for Thanksgiving.

22.01.2020 - 21:54 [ Carl Sagan, George Mullen / utexas.edu ]

Earth and Mars: Evolution of Atmospheres and Surface Temperatures

(7. Juli 1972)

Indeed, detailed global climatic models (17) suggest that a relative increase in A of only 2 percent is enough to induce extensive glaciation on Earth, which implies that the present climate is extremely sensitive to albedo. This leaves changes in atmospheric composition as a possible explanation. Major variations in the CO2 abundance will have only minor greenhouse effects because the strongest bands are nearly saturated. A change in the present CO2 abundance by a factor of 2 will produce directly a 2° variation in surface temperature (18). The CO2 abundance is highly controlled by silicate-carbonate equilibria; by buffering with seawater, which contains almost 100 times the atmospheric CO2; and by the respiration and photosynthesis feedback loop (19).

02.01.2020 - 15:16 [ Carl Sagan, George Mullen / utexas.edu ]

Earth and Mars: Evolution of Atmospheres and Surface Temperatures

(7. Juli 1972)

Indeed, detailed global climatic models (17) suggest that a relative increase in A of only 2 percent is enough to induce extensive glaciation on Earth, which implies that the present climate is extremely sensitive to albedo. This leaves changes in atmospheric composition as a possible explanation. Major variations in the CO2 abundance will have only minor greenhouse effects because the strongest bands are nearly saturated. A change in the present CO2 abundance by a factor of 2 will produce directly a 2° variation in surface temperature (18). The CO2 abundance is highly controlled by silicate-carbonate equilibria; by buffering with seawater, which contains almost 100 times the atmospheric CO2; and by the respiration and photosynthesis feedback loop (19).

02.01.2020 - 13:39 [ Harvard.edu ]

Magnetic Flux Ropes in the Martian Atmosphere: Global Characteristics

(März 2004)

We report observations of magnetic fields amplitude, which consist of a series of individual spikes in the Martian atmosphere. A minimum variance analysis shows that these spikes form twisted cylindrical filaments. These small diameter magnetic filaments are commonly called magnetic flux ropes. We examine the global characteristics of magnetic flux ropes, which are observed on 5% of the elliptical orbits of Mars Global Surveyor.

02.01.2020 - 13:08 [ National Aeronautics and Space Administration ]

Close Comet Flyby Threw Mars’ Magnetic Field Into Chaos

(09.03.2016)

And like a solar storm, the comet’s close passage likely fueled a temporary surge in the amount of gas escaping from Mars’ upper atmosphere. Over time, those storms took their toll on the atmosphere.

“With MAVEN, we’re trying to understand how the sun and solar wind interact with Mars,” said Bruce Jakosky, MAVEN’s principal investigator from the University of Colorado’s Laboratory for Atmospheric and Space Physics in Boulder. “By looking at how the magnetospheres of the comet and of Mars interact with each other, we’re getting a better understanding of the detailed processes that control each one.”

28.11.2019 - 23:13 [ CNN ]

Global storms on Mars shoot dust towers up into the air

Water vapor appears on Mars today as thin, wispy clouds.

14.11.2019 - 12:56 [ Schenectady Gazette / Google.com ]

Methane, Ammonia on Mars? Mariner 7 Sees Hint of Life

(8.August 1969)

Pimentel´s evidence was from an infrared spectrometer, designed to detect elements by measuring their radiation.

14.11.2019 - 12:50 [ CNN ]

The Curiosity rover detects oxygen behaving strangely on Mars

„We‘re struggling to explain this,“ said Melissa Trainer, study author and planetary scientist at NASA‘s Goddard Space Flight Center. „The fact that the oxygen behavior isn‘t perfectly repeatable every season makes us think that it‘s not an issue that has to do with atmospheric dynamics. It has to be some chemical source and sink (of elements into the soil) that we can‘t yet account for.“

It relates back to the methane mystery.

18.10.2019 - 19:48 [ CNN ]

Is this how we‘ll live on Mars?

„The climate crisis is — rightly — frightening a lot of people, and there is a tendency to think of Mars as a sort of escape hatch for humanity, a planet B, which is very dangerous and problematic,“ said Watson.

03.10.2019 - 18:59 [ Schenectady Gazette / Google.com ]

Methane, Ammonia on Mars? Mariner 7 Sees Hint of Life

(8.August 1969)

Pimentel´s evidence was from an infrared spectrometer, designed to detect elements by measuring their radiation.

03.10.2019 - 18:55 [ University of Washington ]

Is there methane on Mars?

(2011)

The first discovery of methane on Mars was announced in 1969 at a press conference by the Mariner 7 Infrared Spectrometer (IRS) team just two days after the flyby.