• úvod
  • témata
  • události
  • tržiště
  • diskuze
  • nástěnka
  • přihlásit
    registrace
    ztracené heslo?
    COMMANCHEDobyvani vesmiru a kosmonautika 🚀🛰️👩🏼‍🚀
    VOYTEX
    VOYTEX --- ---
    #archiv
    dobri pratele si vymenuji laskavosti

    https://www.nytimes.com/1971/12/15/archives/data-from-soviet-withheld-by-us-space-agency-says-it-acts-at.html
    SPACE CENTER, Houston, Dec. 14 (AP)—Some information about the Russian space program is being withheld from the American public.

    John P. Donnelly, assistant for public affairs for the National Aeronautics and Space Administration, said that the clampdown on iformation received by the agency through official channels was being made at the request of the Soviet Union in one area and through a “bilateral agreement” in another.

    United States space engineers just returned from a week of discussions in Moscow on joint United States‐Soviet space flight proposal are forbidden by Mr. Donnelly to talk about their trip with newsmen.

    Mr. Donnelly has also ruled that the text of messages received from the Russians on science hotline at the Jet Propulsion Laboratory in California will be withheld, in repsonse to a Soviet request. The Russians have sent three messages, two giving information on their unmanned exploration of Mars, the space agency says.

    A source at the Manned Spacecraft Center said that engineers who went to Moscow had been unaware of any embargo on inforation, but have been instructed since their return not to talk to newsmen. (...)
    XCHAOS
    XCHAOS --- ---
    NASA Says Mars Rover Discovered Potential Biosignature Last Year - NASA
    https://www.nasa.gov/news-release/nasa-says-mars-rover-discovered-potential-biosignature-last-year/
    XCHAOS
    XCHAOS --- ---
    China Technology News: Chinese scientist details first planned Mars sample-return mission Tianwen-3
    https://www.technologynewschina.com/2025/07/chinese-scientist-details-first-planned.html
    Tianwen-3 will not carry a Mars rover. Instead, it will use a drone to collect samples from locations within several hundred meters of the landing site
    XCHAOS
    XCHAOS --- ---
    TRANCEWARP: no, je to výzva a asi bys to nemohl udělat moc časově realistický. Už v tom Kerbalu člověk mohl letět nějakým směrem celý desítky minut a nedělo se... nic, v podstatě :-) tady by si hodiny někde měnil sklony oběžných drah, aby se pak kolem sebe lodě mihly (realističtější scénář stejně budou samostatně naváděný impaktory.... s tím, že do kinetický energie impaktu vždycky nakonec snáz nacpeš víc energie, než do výbuchu ve vakuu...)

    Jako jedním z problémů kosmonautiky poté, co se zjistilo, že Mars není jen suchý, ale taky promrzlý a nedýchatelný a že na Venuši není tropická džungle, ale spíš připomíná tavící pec, je vlastně jaký tomu dát příběh. Věda, průzkum, jasně. Ale to zaujme hrstku nerdů. Lámání rekordů, to je sport, to zajímá větší část populace. Ale snažit se navzájem pozabíjet... tomu říkám sázka na jistotu, to baví všechny... jak se zdá.
    TRANCEWARP
    TRANCEWARP --- ---
    NECROMAN: Sem ani nevedel co ktera delala. Z toho je mi do place.

    Chandra je obzvlast obri pruser. Sbohem vesmire.

    You’re referring to a set of important NASA and NOAA missions—many of which have been targeted for funding cuts or early termination due to shifting U.S. political priorities and budget constraints. If these missions are indeed canceled or left to “die by attrition” (e.g., no servicing, degraded data relay, or operational support), the scientific loss would be substantial across many disciplines.

    Here’s a breakdown of what science we lose if each of these missions is cut:



    🛰 Earth & Climate Observation
    1. Terra (2000– )
    • Observes Earth’s energy budget, clouds, aerosols, land use, and vegetation.
    • Loss: Multi-decade data continuity on climate, fires, droughts, and carbon cycles.
    2. Aqua (2002– )
    • Tracks water vapor, precipitation, sea ice, ocean evaporation, and temperature.
    • Loss: Critical climate data for understanding water cycles and feedbacks.
    3. Aura (2004– )
    • Measures atmospheric chemistry, ozone depletion, and air quality.
    • Loss: Global monitoring of ozone layer recovery and pollution tracking.
    4. OCO-2 (2014– )
    • Observes carbon dioxide concentration with precision.
    • Loss: Vital for understanding carbon sources and sinks on a warming planet.
    5. OCO-3 (2019– )
    • Mounted on ISS, tracks localized CO₂ emissions.
    • Loss: Urban and ecosystem carbon flux analysis, crucial for climate modeling.
    6. SAGE III (2017– )
    • Monitors stratospheric ozone, aerosols, and water vapor from ISS.
    • Loss: Understanding of ozone recovery and upper atmosphere changes.
    7. DSCOVR (2015– )
    • Views Earth from Lagrange Point 1, provides solar wind data and full Earth images.
    • Loss: Real-time space weather alerts and Earth energy imbalance tracking.
    8. TIMED (2001– )
    • Studies the upper atmosphere (thermosphere/mesosphere).
    • Loss: Long-term understanding of how space weather and solar cycles affect our atmosphere.



    🛰 Planetary & Heliophysics
    9. New Horizons (2006– )
    • Flew past Pluto and continues exploring the Kuiper Belt.
    • Loss: Once-in-a-generation deep solar system science; only probe out there now.
    10. MAVEN (2014– )

    • Studies Mars’ upper atmosphere and how it lost its water.
    • Loss: Key to understanding atmospheric escape and Mars’ habitability history.

    11. Juno (2016– )

    • Orbiting Jupiter, revealing its deep structure, magnetic fields, and moons.
    • Loss: Critical data on gas giant formation and magnetosphere evolution.

    12. OSIRIS-APEX (formerly OSIRIS-REx)**

    • After returning asteroid samples from Bennu, it’s headed to study Apophis.
    • Loss: Planetary defense science and asteroid evolution modeling.



    🛰 Astrophysics & Space Weather
    13. Chandra X-ray Observatory (1999– )

    • Observes high-energy cosmic phenomena: black holes, supernovae, galaxy clusters.
    • Loss: Irreplaceable X-ray view of the universe; key for multiwavelength astronomy.

    14. Fermi Gamma-ray Space Telescope (2008– )

    • Tracks gamma-ray bursts, pulsars, and dark matter candidates.
    • Loss: Critical for studying extreme cosmic events and fundamental physics.

    15. IBEX (2008– )

    • Maps the boundary between the solar system and interstellar space.
    • Loss: Understanding of solar system shielding and cosmic ray filtering.

    16. MMS (Magnetospheric Multiscale Mission) (2015– )

    • Observes magnetic reconnection in Earth’s magnetosphere.
    • Loss: Core insights into plasma physics, key to both space weather and fusion.

    17. GOLD (Global-scale Observations of the Limb and Disk) (2018– )

    • Examines how space weather affects Earth’s upper atmosphere.
    • Loss: Loss of space weather forecasting and atmospheric coupling models.

    18. THEMIS-ARTEMIS (2007– )

    • Dual-purpose: originally for substorm studies; now monitors lunar space weather.
    • Loss: Space environment knowledge for future Moon missions (Artemis).



    Summary of Scientific Loss:

    Domain Loss if Missions Are Cut
    Climate & Earth Collapse in long-term datasets for temperature, carbon cycle, water vapor, ozone, air pollution, etc.
    Space Weather Degraded early warnings for solar storms and poorer modeling of Earth’s magnetosphere.
    Planetary Science No follow-up asteroid, Mars, or Jupiter data; key for habitability and planetary formation theories.
    Astrophysics Loss of high-energy views of the cosmos; we would be blind in X-rays and gamma rays.
    Heliophysics Poorer understanding of the Sun-Earth connection and boundary of solar system.




    Final Thought

    These missions represent decades of consistent, irreplaceable data. If they’re all allowed to degrade or shut down, science doesn’t just lose instruments—it loses continuity, the most valuable asset in climate science, planetary evolution, and deep space astrophysics. Their loss would be a self-inflicted lobotomy of American space science, all to satisfy the short-term political spectacle.
    TRANCEWARP
    TRANCEWARP --- ---
    XCHAOS: No tak uz konecne vime, proc chtej tak moc na Mars.
    Drill baby drill
    Akorat tam asi dinosauri nikdy nebyli. Takze by to trochu nabouravo tu teorii o tom, ze to je fosilni palivo.
    XCHAOS
    XCHAOS --- ---
    NASA's Curiosity Rover Detects Largest Organic Molecules on Mars
    https://science.nasa.gov/missions/mars-science-laboratory/nasas-curiosity-rover-detects-largest-organic-molecules-found-on-mars/
    Na Marsu se v zásadě našla ropa (molecules decane, undecane, and dodecane - myslel jsem, že decanu se říká cetan, benzín obsahuje octan...)
    XCHAOS
    XCHAOS --- ---
    Le rover objevil:
    Sur Mars, des possibles traces de vie d’un passé lointain identifiées ? - L'Humanité
    https://www.humanite.fr/sciences/astrophysique/sur-mars-des-possibles-traces-de-vie-dun-passe-lointain-identifiees
    XCHAOS
    XCHAOS --- ---
    Mars Reconnaissance Orbiter has a shallow radar instrument on board called SHARAD, which allows it to peer beneath the surface of Mars, revealing deposits of ice, rock layers, and geological interfaces. In order to make it fit, the instrument was installed on the side of the spacecraft, forcing it to roll 28° to operate and improve signal quality. Computer modeling suggested it would work even better if it rolled over 120°. Researchers tested this idea, and it worked!

    [2505.21810] SHARAD Illuminates Deeper Martian Subsurface Structures with a Boost from Very Large Rolls of the MRO Spacecraft
    https://arxiv.org/abs/2505.21810
    KAERO
    KAERO --- ---
    ARCHIMEDES: jo. A ten jazyk co tam pouzivaji, to me neskutecne prudi. Takove hnusne politicke blaboly kdy si protireci v jedne vete, ve stylu abys jeste podekoval ze te kopnou do zadku:

    " the budget will advance priority science ..., ending financially unsustainable programs including Mars Sample Return"
    "returning to the Moon before China " ... "will support subsequent NASA lunar missions. The budget also ends the Gateway"

    A z tohohle jde zase citit Trump/Vance:
    " ends climate-focused “green aviation” ... continued elimination any funding toward misaligned DEIA initiatives"

    No v kazdem pripade jestli bude USA menit priority NASA kazdych 10 let, tak se NASA uz nikdy nikam nedohrabe.
    SPIKE411
    SPIKE411 --- ---
    Mars orbiter snaps 1st image of Curiosity rover driving on the Red Planet (photo) | Space
    https://www.space.com/space-exploration/mars-rovers/mars-orbiter-snaps-1st-image-of-curiosity-rover-driving-on-the-red-planet-photo
    NECROMAN
    NECROMAN --- ---
    Curiosity rover makes ‘arguably the most exciting organic detection to date on Mars’
    The NASA Curiosity rover has detected the largest organic molecules found to date on Mars, opening a window into the red planet’s past. The newly detected compounds suggest complex organic chemistry may have occurred in the planet’s past — the kind necessary for the origin of life, according to new research.
    https://edition.cnn.com/2025/03/29/science/mars-curiosity-large-organic-molecules/index.html
    SEJDA
    SEJDA --- ---
    KAERO: vsechno v cervenem ramecku je sci-fi ;)
    Mne nejvice nadchla mise na Mars s navratem vzorku, to je jako dalsi space race, Zapad vs Cina.
    SPIKE411
    SPIKE411 --- ---
    Europe’s first Mars rover will have UK-built lander | Mars | The Guardian
    https://www.theguardian.com/science/2025/mar/29/europe-first-mars-rover-rosalind-franklin-esa-airbus-lander
    SPIKE411
    SPIKE411 --- ---
    Martian dust may pose health risk to humans exploring red planet, study finds | Mars | The Guardian
    https://www.theguardian.com/science/2025/mar/26/martian-dust-may-pose-health-risk-to-humans-exploring-red-planet-study-finds
    VOYTEX
    VOYTEX --- ---
    YARRDESH
    YARRDESH --- ---
    CHAOS_RK: tak snad to mars vezme sportovne a prilis mu to nezahybe plany do bucouna
    CHAOS_RK
    CHAOS_RK --- ---
    Sonda Europa clipper 1.3. lehce zpomali Mars, aby se dostala na finalni trajektorii k Jupiteru, kam dorazi za 5let
    Europa Clipper Mars Gravity Assist (animation)
    https://youtu.be/eJ0kcHtAK-A
    ATOMIKS
    ATOMIKS --- ---
    už se těším na tu misi na Mars
    reality šou hadr
    XCHAOS
    XCHAOS --- ---
    NASA to Explore Two Landing Options for Returning Samples from Mars - NASA
    https://www.nasa.gov/news-release/nasa-to-explore-two-landing-options-for-returning-samples-from-mars/
    Kliknutím sem můžete změnit nastavení reklam