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blog: nauka, internet, świat ^ © RG

12 kwietnia 201912 kwietnia 2019 by admin
cykl naukowy

Najnudniejsze z ciekawych zdjęć

Fotografia czarnej dziury z galaktyki M87 trafiła dokładnie w symulacje. Teleskop wielkości Ziemi dał podobny efekt co obliczenia kilku fizyków wielkości Homo sapiens. Nuda, można się rozejść.

Zanim rozejdziemy się w swoje strony, warto zajrzeć za kotarę – dlaczego jeden

ciąg dalszy
5 marca 20195 marca 2019 by admin
cykl internetowy

Co skrywają internetowe zbiórki na chorych?

Treść zbiórek internetowych, szczególnie w temacie chorób, to absolutny temat tabu w internecie. Nie można o tym pisać i już. Kto podejmuje temat, ten jest człowiekiem bez serca, który cyt. „nie powinien się interesować”. W cieniu tego milczenia rosną potwory,

ciąg dalszy
13 lutego 201915 lutego 2019 by admin
cykl naukowy

Recenzja studiów na kierunku biologia – Uniwersytet im. Adama Mickiewicza (UAM) / + o stanie polskich uniwersytetów

Kilka lat temu szukałem w internecie recenzji polskich uczelni i kierunków, by wesprzeć decyzję o wyborze studiów. Dziś, już po drugiej stronie lustra dorzucam swoją opinię na temat wydziału biologii Uniwersytetu im. Adama Mickiewicza.

ciąg dalszy
30 stycznia 201931 stycznia 2019 by admin
cykl naukowy

Dlaczego tak mało wiemy o tym, czy Homo sapiens może zajść w ciążę poza Ziemią?

Myślę, że istnieje istotny, humanitarny argument, z powodu którego powinniśmy żyć na wielu planetach. Musimy zabezpieczyć istnienie ludzkości w razie katastrofy.

Elon Musk w wywiadzie dla aeon.co – założyciel SpaceX, firmy która przygotowuje się do lotów na Marsa w następnej
ciąg dalszy
18 stycznia 201929 stycznia 2019 by admin
z archiwum

Dawniejsze kawałki warte uwagi

Publikowane na różnych stronach i w ramach różnych inicjatyw, wybrane materiały, które (na razie) przetrwały próbę czasu.

ciąg dalszy

Co jest grane

"odkrycia, wie pan, pojawiają się na zasadzie, że tak powiem, wdepnięć. to znaczy: człowiek wdeptuje w coś i nie może się z tego wycofać." S. Lem

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Tematy

cykl internetowy cykl naukowy z archiwum

Pozostałe projekty

najnowsze zdjęcia europejskiej agencji kosmicznej – od 2012 roku Polska jest jej ważną częścią

  • Happy 29 Hubble! 🎊🎉 ⠀⠀⠀ This incredible image of the hourglass-shaped Southern Crab Nebula was taken to mark the NASA/ESA Hubble Space Telescope’s 29th anniversary in space. The nebula, created by a binary star system, is one of the many objects that Hubble has demystified throughout its productive life. This new image adds to our understanding of the nebula and demonstrates the telescope’s continued capabilities. ⠀⠀⠀ Go to our @instagram Story to get it as a wallpaper for your phone. ⠀⠀⠀ 📸 @europeanspaceagency / @NASA and STScI; @creativecommons CC BY 4.0
  • ♻️ ⠀⠀⠀ As astronauts explore farther into our Solar System, there will be a need to reduce the reliance on supplies brought from Earth. We are working with partners to create a contained system that will eventually and continuously convert carbon dioxide, urine and organic matter into fresh air, water and food – almost indefinitely. This system is known as MELiSSA. ⠀⠀⠀ Go to our @instagram Story to learn more about it. ⠀⠀⠀ 📸 @europeanspaceagency / @NASA - @astro_alex_esa ⠀⠀⠀
  • #TBT to the day the @iss and Mercury passed in front of the Sun ☀️ ⠀⠀⠀ On 9 May 2016 Mercury passed in front of the Sun as seen from Earth. These transits of Mercury occur only around 13 times every century, so astronomers all over Earth were eager to capture the event. ⠀⠀⠀ For astrophotographer Thierry Legault, capturing Mercury and the Sun alone was not enough, however – he wanted the International Space Station in the frame as well. ⠀⠀⠀ To catch the Station passing across the Sun, you need to set up your equipment within a ground track less than 3 km wide. ⠀⠀⠀ Well done Thierry! 👏👏👏 ⠀⠀⠀ 📸 Thierry Legault ⠀⠀⠀ #ESA #EuropeanSpaceAgency #MercuryTransit
  • Meet the egg-straordinary Egg Nebula 🐣 - a preplanetary nebula, created by a dying star in the process of becoming a planetary nebula. ⠀⠀⠀ Planetary nebulas have nothing to do with planets – the name arose when 18th century astronomers spotted them in their telescopes and thought they looked like planets. Instead, they are the remnants of material expelled by Sun-like stars in the later stages of their lives. ⠀⠀⠀ During the preplanetary nebula phase, the central star periodically sheds its outer layers, which are then illuminated by the dying star at the centre. Eventually the star stops shedding material and the core remnant heats up, exciting the expelled gas so that it glows brightly and becomes a planetary nebula. ⠀⠀⠀ 📷: R. Sahai and J. Trauger (@nasajpl), the WFPC2 science team, and @NASA/ESA ⠀⠀⠀ #eggnebula #astronomy #spacescience #nebula #star #space #europeanspaceagency
  • Hubble Time! 🌌⠀⠀⠀ ⠀⠀⠀ This Hubble Space Telescope picture captures a brief but beautiful phase late in the life of a star. The curious cloud around this bright star is called IRAS 19475+3119. It lies in the constellation of Cygnus (the Swan) about 15 000 light-years from Earth in the plane of our Milky Way galaxy. ⠀⠀⠀ As stars similar to the Sun age they swell into red giant stars and when this phase ends they start to shed their atmospheres into space. The surroundings become rich in dust and the star is still relatively cool. At this point the cloud shines by reflecting the brilliant light of the central star and the warm dust gives off lots of infrared radiation. It was this infrared radiation that was detected by the IRAS satellite in 1983 and brought the object to the attention of astronomers. Jets from the star may create strange hollow lobes, and in the case of IRAS 19475+3119 two such features appear at different angles. These curious objects are rare and short-lived. ⠀⠀⠀ As the star continues to shed material the hotter core is gradually revealed. The intense ultraviolet radiation causes the surrounding gas to glow brilliantly and a planetary nebula is born. The objects that come before planetary nebulae, such as IRAS 19475+3119, are known as preplanetary nebulae, or protoplanetary nebulae. They have nothing to do with planets — the name planetary nebula arose as they looked rather like the outer planets Uranus and Neptune when seen through small telescopes.⠀⠀⠀ ⠀⠀⠀ 📸 @europeanspaceagency, @hubbleesa & @NASA; @creativecommons CC BY 4.0 ⠀⠀⠀ #ESA #EuropeanSpaceAgency #HubbleSpaceTelescope
  • Do you see what we see⁉️ 🐴 ⠀⠀⠀ A Proba-V view of the internationally protected, volcanic archipelago of the Galápagos and its surrounding marine reserve. This island chain is renowned for its many endemic species that were studied by Charles Darwin, directly contributing to his famous theory of evolution by means of natural selection. ⠀⠀⠀ This false colour composition highlights vegetation in red on the flanks of several volcanoes, in particular Wolf, Darwin, Alcedo, Santo Tomás and Cerro Azul volcanoes on Isla Isabella, the largest island. ⠀⠀⠀ 📸 @europeanspaceagency / Belspo – produced by VITO ⠀⠀⠀ #ESA #EuropeanSpaceAgency #Galapagos
  • It's time for the #ESAquiz! 🎈 ⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀ Do you know what's being sterilised in this image?⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀ Write your answers in the comment section 👇 and stay tuned to our @instagram Story for the answer and a shout out!⠀ ⠀⠀⠀⠀⠀⠀⠀⠀ 📸 @europeanspaceagency - M. Cowan ⠀⠀⠀⠀⠀⠀⠀⠀ #ESA #EuropeanSpaceAgency #Mars #Space #SpaceIsCool #InstaSpace #Cosmos #Universe #SpaceScience #Tech #SpaceTechnology #Science #Technology #Game #Saturday #Sterilisation
  • Hello #bloemencorso 👋🏼, taking place today in this area of the Netherlands 🇳🇱 - if you look carefully you can also spot ESTEC, our research and test centre in Noordwijk! ・・・ Dutch tulip fields in bloom Spring is in the air and the tulip fields in the Netherlands are now in bloom! This image, taken by the Copernicus Sentinel-2 satellite, shows the tulip fields brightening up the landscape with their lively colours. If you happen to be there, don’t forget to join the Bollenstreek Flower Parade that will be riding 40 km from Noordwijk to Haarlem this Saturday! Copyright contains modified Copernicus Sentinel data (2018), processed by ESA, CC BY-SA 3.0 IGO #Netherlands #Bollenstreek #Flowerparade #tulips #tulipfields #bloemencorso #Sentinel2 #esa #Copernicus #earthobservation #Earthfromspace #satellite
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