56 episodes

JAXA's Space Education Center provides two types of Podcast: the "Seven Wonders Series," compiled of seven one-minute interviews in multiple languages, and the "JAXA Space and Astronautical Science Podcast series," which features fun and informative long-form interviews to scientists and other key JAXA staff in English. The views and opinions expressed in this content are those of the speakers and do not necessarily reflect the views or positions of JAXA as an organization.

JAXA Space Education Center Podcast JAXA

    • Science

JAXA's Space Education Center provides two types of Podcast: the "Seven Wonders Series," compiled of seven one-minute interviews in multiple languages, and the "JAXA Space and Astronautical Science Podcast series," which features fun and informative long-form interviews to scientists and other key JAXA staff in English. The views and opinions expressed in this content are those of the speakers and do not necessarily reflect the views or positions of JAXA as an organization.

    The Seven Wonders of Exoplanets

    The Seven Wonders of Exoplanets

    The Seven Wonders of Exoplanets

    • 4 min
    The Seven Wonders of Planetary Defense

    The Seven Wonders of Planetary Defense

    The Seven Wonders of Planetary Defense

    • 9 min
    The Seven Wonders of Exoplanets Ep7 How far is the closest exoplanet to us

    The Seven Wonders of Exoplanets Ep7 How far is the closest exoplanet to us

    Il più vicino è un esopianeta che orbita intorno alla stella Proxima Centauri.
    La luce, che è la cosa più veloce nell’universo, impiega 4 anni ad arrivare a
    Proxima Centari. I nostri razzi viaggiano molto più lentamente della luce e
    quindi, con la tecnologia di oggi, impiegheremmo 135,000 ad arrivare a
    Proxima Centauri. Abbiamo bisogno di razzi più veloci!
    The closest is an exoplanet orbiting the star Proxima Centauri. Light,
    which is the fastest thing in the universe, takes 4 years to reach Proxima
    Centauri. Our rockets travel much slower than light and therefore, with
    today's technology, it would take us 135,000 to get to Proxima Centauri!
    We need faster rockets!

    • 43 sec
    The Seven Wonders Patrick Ep7 Planetary Defense Research

    The Seven Wonders Patrick Ep7 Planetary Defense Research

    Le risque d’impact d’astéroïde est en fait un sujet fascinant. Pas tellement
    angoissant, puisque pour l’instant nous n’avons aucune menace, mais
    fascinant, parce qu’il porte sur des objets qui sont absolument excitants pour
    les scientifiques : ils évoluent dans un environnement qui est très différent
    de celui de la Terre et qui défie encore notre intuition. On l’a vu avec les
    missions récentes, la façon dont ils répondent aux actions externes qu’on leur
    fait subir, que ce soit un impact, que ce soit pour récolter un échantillon, est
    complètement contre intuitive. On est encore en train d’apprendre à interagir
    avec eux pour non seulement faire de la science, mais aussi s’en protéger.
    C’est plein de défis technologiques et scientifiques qui évidemment pour les
    scientifiques sont des sources d’excitation extraordinaires.
    The risk of an asteroid's impact is actually a fascinating subject. Not that
    much frightening, as for now we have not detected any threat, but fascinating,
    as it concerns celestial bodies, which are very exciting for scientists.
    Asteroids evolve in an environment completely different from the Earth's,
    which still defies our intuition. We saw on recent missions that the way they
    react to external actions that are applied to them, for instance, an impact or
    a sample collection, is entirely counter-intuitive. We are still in the process
    of learning how to interact with them, not only to do science but also to
    protect ourselves from them. This represents a lot of technological and
    scientific challenges that are extraordinarily exciting for scientists.

    • 1 min
    The Seven Wonders Patrick Ep6 Planetary Defense Communication

    The Seven Wonders Patrick Ep6 Planetary Defense Communication

    Comme tous les sujets qui portent sur une menace, la communication est
    extrêmement importante. On peut dire très vite n’importe quoi et il faut faire
    attention à ce que le public comprenne ce que l’on dit et puisse comprendre
    si la menace est réelle ou pas. Tout ça n’est pas facile, donc nous nous
    entrainons à communiquer avec le public cette notion de risque d’impact
    d’astéroïde et à être transparent, puisqu’on a besoin des amateurs pour suivre
    les objets dont les premiers calculs nous donnent une probabilité d’impact
    élevée. C’est très important de pouvoir en même temps expliquer qu’on a
    trouvé un objet qui semble dangereux, mais pour autant qui ne l’est pas
    encore tant qu’on n’a pas vérifié que sa trajectoire croise la Terre. C’est assez
    complexe, on a vu avec la pandémie [du COVID 19] que les scientifiques se
    contredisent et le public ne comprend plus rien. C’est ce qu’on cherche à
    éviter, on cherche à pouvoir communiquer un message cohérent et
    compréhensible, pour que les gens ne paniquent pas pour n’importe quoi.
    Similarly to any topic relative to a threat, communication is key. Not only
    can people say anything, but it is also essential to ensure that the public
    understands what is said and whether or not the threat is real. This is not
    easy, so we train ourselves to communicate with the public about the asteroid
    impact threat itself. We also train ourselves on transparency, as we count on
    amateur astronomers to follow celestial bodies for which the impact risk
    would be high according to our preliminary computations. It is imperative
    that we can explain if we have found an object that is a possible threat but is
    not yet until we have checked that its trajectory collides with the Earth's. All
    of this is pretty complex: the COVID-19 pandemic showed that the public is
    lost when scientists contradict each other. We want to avoid such a situation.
    Instead, we want to communicate a coherent and understandable message to
    prevent people from panicking for nothing.

    • 1 min
    The Seven Wonders Patrick Ep5 Planetary Defense Coordinated International Response

    The Seven Wonders Patrick Ep5 Planetary Defense Coordinated International Response

    Le risque d’impact d’astéroïde est un problème qui concerne le monde entier.
    Pour l’aborder, il faut avoir une réponse internationale coordonnée à ce
    problème. C’est pour cela que l’on a mis en place, sous l’égide de l’ONU,
    des groupes de travail qui s’intéressent à définir une réponse coordonnée.
    Si un objet nous arrive dessus, qui va monter la mission ? Qui va sauver le
    monde ? Tout ça doit se définir sans être improvisé parce que c’est assez
    complexe. Quelle industrie va faire la sonde qui va dévier l’astéroïde ? La
    bonne nouvelle, c’est que depuis quelques années, sous l’égide de l’ONU,
    nous avons des groupes de travail qui essaient de définir une réponse
    coordonnée avec le volet "prédiction," par des scientifiques, qui
    communique aux décideurs éventuellement qu’un objet nous arrive dessus ;
    le volet "agence spatiale," qui peut monter une mission pour dévier un
    astéroïde ; et même le volet "légal," puisqu’on ne fait pas n’importe quoi
    dans l’espace, donc tout ça doit être fait sous une forme légale qui est aussi
    définie.
    As the risk of asteroid impact concerns the entire planet, it is necessary to
    have a coordinated international response to it. This is why task forces
    aiming to give a coordinated response have been established under the
    supervision of the UN. If an asteroid is threatening the Earth, who will
    organize the mission? Who will save the planet? Given the complexity of
    such a response, all of these topics must be defined beforehand, without
    improvisation. Which company will build the probe to deviate the asteroid?
    The good news is that, under the supervision of the UN, task forces were
    created a few years ago and aim to give a coordinated response. The
    "prediction" task force, animated by scientists, communicates to decisionmakers that an asteroid is aiming toward the Earth. The "space agency" task
    force organizes a space mission to deviate the asteroid. Even a "legal" task
    force exists, as there are rules in space, and such an operation has to be done
    in agreement with the law, which is also defined.

    • 1 min

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