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domingo, 2 de abril de 2017

ESA : Robot explorador de ExoMars

http://www.esa.int/esl/ESA_in_your_country/Spain/Robot_explorador_de_ExoMars
http://www.esa.int/spaceinimages/Images/2017/03/ExoMars_rover

ExoMars rover

Robot explorador de ExoMars

27 marzo 2017

El robot explorador de la misión ExoMars de la ESA (en primer plano) y la plataforma científica estacionaria de superficie rusa (en segundo plano) serán lanzados en julio 2020 y llegarán a Marte en 2021. El Satélite para el estudio de Gases Traza, que lleva orbitando el Planeta Rojo desde octubre de 2016, funcionará como estación repetidora, además de llevar a cabo su propia misión científica.

Elegir el lugar de aterrizaje para el robot supone un proceso largo y exigente, ya que no solo debe ser científicamente interesante, sino también seguro desde el punto de vista de la ingeniería.

El programa ExoMars tiene como finalidad determinar si en algún momento existió vida en Marte, por lo que el lugar escogido debe ser antiguo —de unos 3.900 millones de años— y presentar fuertes evidencias de haber albergado agua durante largos periodos.

El rover contará con un taladro (el cuadro de color gris oscuro en la imagen anterior) capaz de extraer muestras a 2 m de profundidad. Esto resulta clave, ya que la superficie marciana es un entorno hostil para los organismo vivos debido a la potente radiación solar y cósmica. Gracias a la exploración bajo tierra, el robot tiene más posibilidades de encontrar muestras conservadas.

Desde el punto de vista de la ingeniería, el lugar debe tener poca altitud, para que el módulo de entrada disponga de distancia de descenso suficiente a través de la atmósfera como para valerse de los paracaídas, y no debe presentar formaciones que puedan poner en peligro el aterrizaje, como cráteres, pendientes pronunciadas o grandes rocas.

Para comprobar que se cumplen todos estos requisitos es necesario contar con muchos expertos e invertir muchos años. En este caso, el proceso comenzó en 2013, cuando se presentaron ocho propuestas, hasta que los candidatos se redujeron a cuatro en 2014.

A finales de 2015, se recomendó una ubicación concreta —Oxia Planum — para centrarse en su evaluación más detallada, dejando otros dos puntos a modo de reserva para su discusión más adelante. Ese momento ha llegado, y los expertos decidirán esta semana si eligen Aram Dorsum o Mawrth Vallis para seguir estudiándolo con más detalle.

Una vez tomada la decisión, se publicará un anuncio en el sitio web de la ESA. La confirmación del lugar de aterrizaje principal y el de reserva no se producirá hasta un año antes del lanzamiento.

Ya hay disponible una serie de nuevas representaciones artísticas del rover. Incluyen vistas etiquetadas (frontal y trasera), una vista de 360º y un nuevo póster de la misión.

English Versión :

ExoMars rover

(5.58 MB)

Details

Title ExoMars rover
Released 27/03/2017 9:00 am
Copyright ESA/ATG medialab
Description

ESA’s ExoMars rover (foreground) and Russia’s stationary surface science platform (background) are scheduled for launch in July 2020, arriving at Mars in March 2021. The Trace Gas Orbiter, which has been at Mars since October 2016, will act as a relay station for the mission, as well as conducting its own science mission. a vuelo

Choosing the rover’s landing site is a demanding and lengthy process, because it must not only be interesting scientifically but also safe from an engineering viewpoint.

Establishing whether life ever existed on Mars is at the heart of the ExoMars programme, thus the chosen site should be ancient – around 3.9 billion years old – with abundant evidence of water having been present for extended periods.

The rover has a drill (the dark grey box at the front in the view above) that is capable of extracting samples from depths of 2 m. This is crucial, because the present surface of Mars is a hostile place for living organisms owing to the harsh solar and cosmic radiation. By searching underground, the rover has more chance of finding preserved evidence.

From an engineering perspective, the site has to be low-lying, to allow the entry module to descend through enough atmosphere to help slow its descent with parachutes, and it must not contain features that could endanger the landing, such as craters, steep slopes and large rocks.

Checking that all of these requirements are met takes many experts and many years.

In this case, it began in 2013, with eight proposals put forward and subsequently down-selected to four sites in 2014.

By late 2015, one site – Oxia Planum – had been recommended as the primary focus for further detailed evaluation, with two other sites retained for discussion at a later date. That later date has arrived, and experts will this week decide whether it will be Aram Dorsum or Mawrth Vallis that will also be put forward to study in further detail.

Following the decision, an announcement will be posted on the ESA website. Confirmation of the primary landing site and the backup will occur only about a year before launch.

A number of new artist’s views of the rover are now available. These include labelled views (front and back), a 360º visualisation, and a new mission poster.
Id 375107

domingo, 18 de diciembre de 2016

ESA : Full go-ahead for building ExoMars 2020 .- Avance completo para la construcción de ExoMars 2020.....

http://www.esa.int/Our_Activities/Space_Science/ExoMars/Full_go-ahead_for_building_ExoMars_2020

Destination Mars

Full go-ahead for building ExoMars 2020

16 December 2016

The first ExoMars mission arrived at the Red Planet in October and now the second mission has been confirmed to complete its construction for a 2020 launch.

ESA and Thales Alenia Space signed a contract today that secures the completion of the European elements of the next mission.

The main objective of the ExoMars programme is to address one of the most outstanding scientific questions of our time: is there, or has there ever been, life on Mars?

The ExoMars Trace Gas Orbiter is on a multiyear mission to understand the tiny amounts of methane and other gases in Mars’ atmosphere that could be evidence for possible biological or geological activity.

Trace Gas Orbiter at Mars

The Trace Gas Orbiter will soon be exploring this question from orbit: it will take a detailed inventory of trace gases, such as methane, that might be linked to biological or geological processes. The first test of the orbiter’s science instruments was recently completed.

It will also act as a communications relay for various craft – in particular for 2020’s rover and surface platform.

ESA’s rover will be the first capable of drilling 2 m into Mars, where ancient biomarkers may still be preserved from the harsh radiation environment on the surface.

The Russian platform will carry instruments focused on the local atmosphere and surroundings.

ExoMars is a joint endeavour between ESA and Roscosmos, with important contribution from NASA.

The contract signed in Rome, Italy, secures the completion of the European elements and the rigorous tests to prove they are ready for launch.

ExoMars 2020 contract signing

These include the rover itself, which will be accommodated within the Russian descent module, along with the carrier module for cruise and delivery to Mars.

ESA is also contributing important elements of the descent module, such as the parachute, radar, inertial measurement unit, UHF radio elements, and the onboard computer and software.

The science instruments for the rover and surface platform are funded by national agencies of ESA member states, Roscosmos and NASA following calls to the scientific community.

The structural models of the carrier and rover are expected to be delivered in January and February 2017, respectively, along with structural and thermal models of the various descent module elements.

“ExoMars is a cornerstone of ESA’s exploration programme,” says David Parker, ESA’s Director of Human Spaceflight and Robotic Exploration. “Using its miniaturised life-search laboratory and advanced robotic technology, the mission will explore the Red Planet in search of new evidence to answer questions that have long fascinated humanity.

“Following the renewed support demonstrated by ESA member states in the recent Ministerial Council, this new contract allows us to complete the flight models of the European elements and keeps us on track for a July 2020 launch.”

“The steadfastness and tenacity of both the European and Italian space agencies has reassured all program partners, and enabled us to continue our production work so we can go ahead with this new and very complex mission,” says Donato Amoroso, Deputy CEO of Thales Alenia Space.

The landing site for the mission is still under consideration, with Oxia Planum a strong candidate. The target region shows evidence for a past wet environment that may have had suitable conditions for preserving ancient biosignatures. ESA and Roscosmos are expected to confirm the landing site around six months before launch.

Read the Thales Alenia Space press release on today’s event here.

For further information, please contact:
Markus Bauer 
ESA Science and Robotic Exploration Communication Officer  
Tel: +31 71 565 6799  
Mob: +31 61 594 3 954 
Email: Markus.Bauer@esa.int

ESA
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com a vuelo
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lunes, 10 de octubre de 2016

ESA : Call for media: ExoMars arrives at the Red Planet .- Llamado a los medios de comunicación: ExoMars llega al planeta rojo

http://www.esa.int/Our_Activities/Space_Science/ExoMars/Call_for_media_ExoMars_arrives_at_the_Red_Planet

ExoMars 2016 approaching Mars

Call for media: ExoMars arrives at the Red Planet

7 October 2016

The ExoMars 2016 mission will enter orbit around the Red Planet on 19 October. At the same time, its Schiaparelli lander will descend to the surface. Representatives of traditional and social media are invited to attend a two-day event at ESA’s ESOC control centre in Darmstadt, Germany.

ExoMars is a joint endeavour between ESA and Russia’s Roscosmos space agency, and comprises the Trace Gas Orbiter (TGO) and the Schiaparelli entry, descent and landing demonstrator.

TGO will make a detailed inventory of Mars’ atmospheric gases, with particular interest in rare gases like methane, which implies that there is an active, current source. TGO aims to measure methane’s geographical and seasonal dependence and help to determine whether it stems from a geological or biological source.

TGO will start its science mission at the end of 2017, following a year of complex aerobraking manoeuvres to circularise its orbit. It will also act as a relay for ESA’s ExoMars 2020 rover.

Schiaparelli will separate from TGO on 16 October, entering the atmosphere for a six-minute descent to a region in Meridiani Planum, on 19 October.

Access the video

It will test a range of technologies to enable a controlled descent and landing on Mars in preparation for future missions, including a heatshield, a parachute, a propulsion system and a crushable structure.

Schiaparelli also carries a small science package that will record the wind speed, humidity, pressure and temperature at its landing site, as well as obtain the first measurements of electric fields on the surface of Mars that may provide insight into how dust storms are triggered.

The separation of Schiaparelli from TGO will be covered online. Media are invited to join mission experts at ESOC on 19 October to follow the orbit insertion of TGO and the landing of Schiaparelli, and to attend a briefing on 20 October when the first descent camera images are expected.

Provisional schedule at ESOC, 19–20 October

(all times in CEST, programme/times subject to change)

19 October
15:00–22:00 (Doors open at 14:00)

The event programme for media and ExoMars project members will bring both groups together to follow the highlights of the orbit insertion of TGO and of the entry, descent and landing of Schiaparelli. During the programme confirmations for mission success of TGO and Schiaparelli are expected. On stage, ExoMars engineers and scientists from ESA, Roscosmos and partner agencies will relay the technical and operational challenges of landing on Mars and will explain the scientific questions that are driving these ambitious Mars robotic exploration programme. Operational status updates will be broadcasted live from the ExoMars control room into the stage programme.

There will be live video connections to an Italian ExoMars event taking place in Rome and to the postflight tour of ESA astronaut Tim Peake, who will stop by in London.

The event will also be live-streamed online at

http://esa.int

and will be broadcasted over satellite.
A special ESA social-TV programme will be available via Facebook Live on ESA’s Facebook page at http://www.facebook.com/ESA.

20 October
10:00–11:00 (Doors open at 09:00)

This media briefing will summarise the events of the night before, during which more telemetry and data are expected to arrive from TGO and Schiaparelli. ExoMars engineers, scientists and project managers will provide briefings on TGO and Schiaparelli. Images taken during the descent from Schiaparelli will also be presented.

The media briefing will be streamed live online at

http://esa.int

and broadcast over satellite.

Media accreditation
Media representatives holding a valid press-ID should register here.

Social media users such as Youtubers, Tweeps, Bloggers, etc. may apply for social media credentials here.
Given the expected high demand and limits owing to logistical, security and health and safety constraints, it is possible that not all applications will be successful. Applicants will be informed whether they have been successful at the latest on 11 October.

Follow online
Separation will be reported online on 16 October at 17:20 GMT /19:20 CEST.

The media briefings scheduled for 19 and 20 October will be live streamed via

http://esa.int.

Realtime coverage of operational milestones in the lead up to separation on 16 October through until landing and orbit insertion on 19 October and in the days after will be provided in a frequently updated article at

http://esa.int/exomars.

Milestones will also be reported via Twitter and Facebook. Follow @esaoperations, @ESA_TGO, @ESA_EDM and @ESA_ExoMars or #ExoMars.

A special ESA social-TV programme will be available on ESA’s Facebook page at

http://www.facebook.com/ESA

For detailed background information on the mission, see:

http://exploration.esa.int/mars/

For further information, please contact:
ESA Media Relations Office
Tel: +33 1 53 69 72 99
Email: media@esa.int

ESA

Guillermo Gonzalo Sánchez Achutegui

ayabaca@gmail.com

ayabaca@hotmail.com

ayabaca@yahoo.com