Tak teprva teď trochu cejtím cestovní horečku...

Pls, nemáte někdo zkušenosti s tím, jak je to s externí baterkou na tablet/mobil na letišti? Dnes jsem
koupil novou, pač stará už dosluhuje, ale mám trochu obavu, že mě s tím nepustí na palubu...

Gogen Power Bank 200003 STREET 20000mAh černá - Power Bank | Alza.cz
https://www.alza.cz/gogen-power-bank-200003-street-20000mah-cerna-d5145692.htm

Some black holes erase your past | Berkeley News
http://news.berkeley.edu/2018/02/20/some-black-holes-erase-your-past/

In the real world, your past uniquely determines your future. If a physicist knows how the universe starts out, she can calculate its future for all time and all space.

But a UC Berkeley mathematician has found some types of black holes in which this law breaks down. If someone were to venture into one of these relatively benign black holes,
they could survive, but their past would be obliterated and they could have an infinite number of possible futures.

Falling into a realistic Reissner-Nordstrom Black Hole
https://www.youtube.com/watch?v=5JfjqUSLDdk

ALMA Deepens Mystery about the relation between Supermassive Black Holes and their Host Galaxies | ALMA
http://www.almaobservatory.org/...relation-between-supermassive-black-holes-and-their-host-galaxies/

Using the Atacama Large Millimeter/submillimeter Array (ALMA) to observe an active galaxy with a strong ionized gas outflow from the galactic center,
astronomers have obtained a result making astronomers even more puzzled: an unambiguous detection of carbon monoxide (CO) gas associated with the galactic disk.
However, they have also found that the CO gas which settles in the galaxy is not affected by the strong ionized gas outflow launched from the galactic center.

Astronomers reveal secrets of most distant supernova ever detected | UoP News
http://uopnews.port.ac.uk/.../20/astronomers-reveal-secrets-of-most-distant-supernova-ever-detected/

An international team of astronomers, including Professor Bob Nichol from the University of Portsmouth, has confirmed the discovery of the most
distant supernova ever detected – a huge cosmic explosion that took place 10.5 billion years ago, or three-quarters the age of the Universe itself.

The exploding star, named DES16C2nm, was detected by the Dark Energy Survey (DES), an international collaboration to map several hundred million
galaxies in order to find out more about dark energy – the mysterious force believed to be causing the accelerated expansion of the Universe.

As detailed in a new study published in The Astrophysical Journal, light from the event has taken 10.5 billion years to reach Earth, making it
the oldest supernova ever discovered and studied. The Universe itself is thought to be 13.8 billion years old.

https://www.nasa.gov/...rd/2018/nasas-james-webb-space-telescope-to-reveal-secrets-of-the-red-planet

The planet Mars has fascinated scientists for over a century. Today, it is a frigid desert world with a carbon dioxide atmosphere 100 times thinner than Earth’s.
But evidence suggests that in the early history of our solar system, Mars had an ocean’s worth of water. NASA’s James Webb Space Telescope will study Mars to learn
more about the planet’s transition from wet to dry, and what that means about its past and present habitability.

NASA | Measuring Mars' Ancient Ocean
https://www.youtube.com/watch?v=WH8kHncLZwM

Ve svitu Venuše | ESO Česko
https://www.eso.org/public/czechrepublic/images/potw1808a/?lang

Obrázek, který pořídil fotovyslanec ESO Petr Horálek, ukazuje planetu Venuši jasně zářící nad observatoří ESO Paranal v Chile. Zobrazený dalekohled je
pomocný dalekohled VLT (AT1), který už je otevřený a během soumraku se připravuje na pozorování nočního nebe. To se zatím halí do odstínů modré a oranžové.

http://www.news.gatech.edu/...8/02/17/asteroid-time-capsules-may-help-explain-how-life-started-earth

In popular culture, asteroids play the role of apocalyptic threat, get blamed for wiping out the dinosaurs – and offer an extraterrestrial source for mineral mining.

But for researcher Nicholas Hud, asteroids play an entirely different role: that of time capsules showing what molecules originally existed in our solar system.
Having that information gives scientists the starting point they need to reconstruct the complex pathway that got life started on Earth.

Director of the NSF-NASA Center for Chemical Evolution at the Georgia Institute of Technology, Hud says finding molecules in asteroids provides the strongest evidence
that such compounds were present on the Earth before life formed. Knowing what molecules were present helps establish the initial conditions that led to the formation
of amino acids and related compounds that, in turn, came together to form peptides, small protein-like molecules that may have kicked off life on this planet.

Hurá!!

https://www.nasa.gov/...siting-exoplanet-survey-satellite-arrives-at-kennedy-space-center-for-launch

NASA’s next planet-hunting mission has arrived in Florida to begin preparations for launch. The Transiting Exoplanet Survey Satellite
(TESS) is scheduled to launch on a SpaceX Falcon 9 rocket from Cape Canaveral Air Force Station nearby NASA’s Kennedy Space Center in
Florida no earlier than April 16, pending range approval. TESS was delivered Feb. 12 aboard a truck from Orbital ATK in Dulles, Virginia,
where it spent 2017 being assembled and tested. Over the next month, the spacecraft will be prepped for launch at Kennedy’s Payload
Hazardous Servicing Facility (PHSF).

3D NASA animation shows an old theory from Leiden - Leiden University
https://www.universiteitleiden.nl/en/news/2018/02/3d-nasa-animation-shows-old-theory-from-leiden

When professor Frank Israel graduated at Leiden Observatory some forty years ago, little did he know that one
of his theories would be making headlines in 2018 - in the form of a 3D animation on the Internet, no less.

He found that the vast majority of gaseous nebulae in the Milky Way came into being by the formation of extremely luminous stars on the outher surface of these large,
dark clouds. After their formation, these stars ionise their environment, which up until that point had been neutral. The ionisation front digs into the cloud as it grows,
causing a pressure differential with the thin, rarefied gas outside the cloud. The ionised gas rushes outward, moving far faster than the stars that illuminate it.

Flight Through the Orion Nebula in Visible and Infrared Light [Ultra HD]
https://www.youtube.com/watch?v=07dve0EnUX8

Supermassive black hole simulation predicts characteristic light signals at cusp of collision - RIT News
http://www.rit.edu/news/story.php?id=65829

A new simulation of supermassive black holes—the behemoths at the centers of galaxies—uses a realistic scenario to predict
the light signals emitted in the surrounding gas before the masses collide, said Rochester Institute of Technology researchers.

RIT density contours
https://www.youtube.com/watch?v=dKuMPuW-Pc4


The RIT-led study represents the first step toward predicting the approaching merger of supermassive black holes using the two channels
of information now available to scientists—the electromagnetic and the gravitational wave spectra—known as multimessenger astrophysics.
The findings appear in the paper “Quasi-periodic Behavior of Mini-disks in Binary Black Holes Approaching Merger,” published in
the Astrophysical Journal Letters.

https://www.nasa.gov/feature/goddard/2018/hubble-sees-neptunes-mysterious-shrinking-storm

Three billion miles away on the farthest known major planet in our solar system, an ominous, dark storm – once big enough to stretch across
the Atlantic Ocean from Boston to Portugal – is shrinking out of existence as seen in pictures of Neptune taken by NASA’s Hubble Space Telescope.

Hubble Watches Neptune’s Dark Storm Die
https://www.youtube.com/watch?v=iKHtx5y6C4M

University of Leeds | News > Science > New models give insight into the heart of the Rosette Nebula
http://www.leeds.ac.uk/.../article/4183/new_models_give_insight_into_the_heart_of_the_rosette_nebula

New research, led by the University of Leeds, offers an explanation for the discrepancy between the size and age of the Rosetta Nebula’s central cavity and that of its central stars.

The Rosette Nebula in the Milky Way Galaxy, roughly 5,000 light-years from Earth, is known for its rose-like shape and distinctive hole at its centre. The nebula is an interstellar cloud
of dust, hydrogen, helium and other ionised gases with several massive stars found in a cluster at its heart. Stellar winds and ionising radiation from these massive stars affect the shape
of the giant molecular cloud. But the size and age of the cavity observed in the centre of Rosette Nebula is too small when compared to the age of its central stars — something that has
puzzled astronomers for decades.