воскресенье, 8 декабря 2019 г.

Dragon Attached to Station for Month-Long Stay

SpaceX - Falcon 9 / Dragon CRS-19 patch.

December 8, 2019

Three days after its launch from Florida, the SpaceX Dragon cargo spacecraft was installed on the Earth-facing side of the International Space Station’s Harmony module at 7:47 a.m. EST.

Image above: Dec. 8, 2019: International Space Station Configuration. Four spaceships are parked to the space station including the SpaceX Dragon space freighter, the Northrop Grumman Cygnus resupply ship and Russia’s Soyuz MS-13 and MS-15 crew ships. Image Credit: NASA.

The 19th contracted commercial resupply mission from SpaceX delivers more than 5,700 pounds of research, crew supplies and hardware to the orbiting laboratory.

Astronauts Capture Dragon Filled With Brand New Science

International Space Station was traveling more than 262 miles over the south Pacific Ocean, Expedition 61 Commander Luca Parmitano of ESA (European Space Agency) grappled Dragon at 5:05 a.m. EST using the space station’s robotic arm Canadarm2 with NASA astronaut Andrew Morgan acting as a backup.

Image above: The SpaceX Dragon resupply ship approaches the International Space Station over the Atlantic Ocean. Image Credit: NASA TV.

Ground controllers will now send commands to begin the robotic installation of the spacecraft on bottom of the station’s Harmony module. NASA Television coverage of installation is scheduled to begin at 7:30 a.m. Coverage may be adjusted as needed.

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Channel: Terry's Theories  

This video shows a unknown craft descending from out of a lighting storm in Argentina on Oct. 28 2019. Recorded by Jessica Bonasola as she was leaving the lake due to bad weather. She decided she wanted to catch some lightning strikes in slow motion on her dash cam and unknowingly caught an amazing capture of a UFO descending from a lighting storm.

Source video : https://www.youtube.com/watch?v=hvjEgfmo4zM

Video length: 2:12
Category: Science & Technology

2019 December 8 Geminid Meteors over Chile Image Credit &...

2019 December 8

Geminid Meteors over Chile
Image Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TWAN)

Explanation: Are meteors streaming out from a point in the sky? Yes, in a way. When the Earth crosses a stream of Sun-orbiting meteors, these meteors appear to come from the direction of the stream – with the directional point called the radiant.  An example occurs every mid-December for the Geminids meteor shower, as apparent in the featured image.  Recorded near the shower’s peak in 2013, the featured skyscape captures Gemini’s shooting stars in a four-hour composite from the dark skies of the Las Campanas Observatory in Chile. In the foreground the 2.5-meter du Pont Telescope is visible as well as the 1-meter SWOPE telescope. The skies beyond the meteors are highlighted by Jupiter, seen as the bright spot near the image center, the central band of our Milky Way Galaxy, seen vertically on the image left, and the pinkish Orion Nebula on the far left. Dust swept up from the orbit of active asteroid 3200 Phaethon, Gemini’s meteors enter the atmosphere traveling at about 22 kilometers per second. The 2019 Geminid meteor shower peaks again this coming weekend.

∞ Source: apod.nasa.gov/apod/ap191208.html

* This article was originally published here

Prehistoric Pottery and Fragments, The National Museum of Scotland, Edinburgh, November 2019.

Prehistoric Pottery and Fragments, The National Museum of Scotland, Edinburgh, November 2019.

* This article was originally published here

Prehistoric Carved Grave Goods, The National Museum of Scotland, Edinburgh, November 2019.

Prehistoric Carved Grave Goods, The National Museum of Scotland, Edinburgh, November 2019.

* This article was originally published here

Jewellery made from 'human teeth' found in Catalhoyuk

Archaeologists in the Neolithic proto-city of Catalhoyuk site in modern-day Turkey have discovered a set of human-teeth pendants that are believed to date back to 6500 BC. It is now being said that since human-teeth jewellery is rare in the Near East, the discovery could shed important light into the funerary rituals and customs of the region.

Jewellery made from 'human teeth' found in Catalhoyuk
Credit: Haddow et al., 2019
Speaking about the discovery, researcher Scott Haddow of the University of Copenhagen who led the Catalhoyuk excavation along with an international team of archaeologists said that the teeth seem to have belonged to middle-aged adults. He further added that it is highly possible that at least two of them were possibly extracted postmortem.

Additionally, it was also found that out of all the teeth, two or three of them were in perfect condition with no signs of tooth damage, pointing to the fact that they were still perfectly healthy. Considering the condition of the teeth, researchers are now trying to determine if the teeth bearers were alive or dead at the time of their extraction.

Jewellery made from 'human teeth' found in Catalhoyuk
Credit: Haddow et al., 2019

The teeth, when discovered, were chiselled into a conical shape using a microdrill. It was also observed that the same instrument could also have been used to drill the neat holes at the conical tip of the teeth so that they could carry the teeth as pendants. According to Forbes, researchers also felt that the drill-work was probably done by trained professionals who understood the work.

Catalhoyuk, where the discovery was made, was occupied between 7100 and 5500 BC. It is also a UNESCO World Heritage site. Research documents suggest that excavation work first began on the site in the 1960s. The site has, over time, become an important one to study Neolithic cultures and ways of life. Several domestic buildings have been found on the site along with ornamental objects depicting or derived from animals teeth or bones, suggesting that the place was once inhabited and fully functional. The site is also believed to have been witness to an evolved, egalitarian society.

The findings are published in the Journal of Archaeological Science: Reports.

Author: Ria Kapoor | Source: Republic [November 24, 2019]

* This article was originally published here

Pekingese loves ice cream

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Channel: UFO Odessa  

I bought the dog waffle glass of ice cream.It was very cold and frozen, the dog ate it all.

Video length: 4:05
Category: Entertainment

Life of a foam

ISS - International Space Station logo.

Dec. 6, 2019

Foam bubbles

A fine coffee froth does not last forever. The bubbles that make the milk light and creamy are eventually torn apart by the pull of gravity. But there is a place where foams have a more stable life – in the weightless environment of the International Space Station, bubbles don’t burst so quickly and foams remain wet for longer.

Beyond the pleasures of sipping a cappuccino with its signature froth, the presence of foams in our daily lives extends to food, detergents, cosmetics and medicines. However, creating the perfect bubble for the right foam is tricky.

Three experiments will investigate properties of foam

On Earth, the mixture of gas and liquid that makes up a foam quickly starts to change. Gravity pulls the liquid between the bubbles downwards, and the small bubbles shrink while the larger ones tend to grow at the expense of others. Due to the drainage, coarsening and rupture of the bubbles, foam starts to collapse back to a liquid state.

A foam’s existence in space is marked by more equilibrium because drainage is suppressed. Bubble sizes are evenly spread and that makes it easier for scientists to study it in more detail.

Lessons on foams in space

In 2009, ESA astronaut Frank De Winne ran the Foam Stability experiment on the International Space Station. Frank shook several liquid solutions contained in 60 closed cells and recorded what happened next. The samples ranged from pure water to protein-based fluids, like the ones used for chocolate foams, and antifoaming agents.

De Winne with the Foam Stability experiment

After just ten seconds, fluids stabilised more quickly and produced more foam than on Earth. Scientists discovered that it was possible to create super stable foams in zero gravity.