Zeitreise: Die Welt im Jahr 0 | Ganze Folge Terra X


Der Archäologe Professor Matthias Wemhoff reist zurück in die Zeit und stellt Fragen: Was geschah in der Welt zur Zeit der Geburt Jesu? Was machten eigentlich die Maya, als die Chinesen die große Mauer bauten und in Europa die Römer einen Grenzwall gegen die Barbaren aus dem Norden errichten? Wemhoff zeigt uns die Gleichzeitigkeit von Kulturen, die verschiedener kaum sein könnten — zum Teil aber auch wiederum verblüffend ähnlich sind. Eine Parallelgeschichte der Menschheit in der Epoche der Zeitenwende, die durch das Miterleben zum Staunen einlädt.

Dieses Video ist eine Produktion des ZDF, in Zusammenarbeit mit Spiegel TV

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Dramatic raw footage of NOAA researchers tagging orcas with cross bows (killer whales) in Antarctica


I took these incredible shots while accompanying whale researchers who are doing excellent work in helping whales by tagging, cataloging, and studying the killer whales in Antarctica. (Viewing in HD recommended) Arrows are used to attach GPS based location tags to the dorsal fins and as you can see the whales do not react to it. I imagine its similar to a human getting their ears pieced. Tags stay in place for about a month before falling off and help track the whales migration patterns. Biopsy arrows on the other hand collect a tiny sample of blubber on the hollow tip of the arrow to help scientists determine their nutrition, health and diet. Every arrow used is accounted for under strict permits and regulations.

This research has shown the population of the Ross Sea whales are declining. They normally feed off the Antarctic Toothfish which is a large fish which has been over-harvested by commercial fishing. However, during this filming, these whales were seen feeding off a very small fish, the bourke fish as the toothfish were no longer present. For the whales to be expending all the energy just to hunt for bourke fish is like us hunting for a single grain of rice. Please see the film The Last Ocean www.lastocean.org and help by not consuming their prey, marketed as the Chilean sea bass (toothfish) in restaurants.

Lastly, it seems a lot of Youtube whale experts think the whales are stuck in the ice. They are not. They are in one of many holes in the lead and we are very close to the open sea.

A man among Orcas - documentary full hd


In the remote volcanic archipelago of the Crozet islands, meet David Reicnert, a cameraman who has an extraordinary talent to locate, approach and tame some of the wildest beasts on Earth.

Enduring raging winds and icy waters with minimal protection, he enters the intimacy of elephant seals and orcas using clever ethological analyses and gets them used to his presence. Then comes the extraordinary: meet a man who communicates with penguins with body language, calms young seals and turns them into live pillows, lies underwater with 8 ton orcas or mature male seals…

Context:
David Reichert is a young American wildlife filmmaker who has dedicated his life to his passion. Specialized in marine subjects, at ease in rough seas and icy waters, David has an incredible resistance to extreme environments and a real talent for dealing with complex wildlife situations. To achieve this unique film, he spent 4 months in an isolated bay on an island 2000 miles away from the nearest continent with Jean François BARTHOD, another talented filmmaker and director with a solid experience as a DOP of feature films.

Author(s): Bertrand Loyer
Director(s): Jean-François Barthod
Year: 2006
Producer(s): Saint Thomas Productions, France 2, Discovery-Animal Planet
Running time: 52mn
Format: Digital Beta, Super 16mm
Distributor(s): Saint Thomas Productions

Awards:
Filmar,
International See and Environment Film Festival
Hendaye, France — 2009
City of Hendaye’s Award

San Francisco Ocean Film Festival
USA
Wildlife Award

Underwater film festival
St. Petersbourg, Russia
Grand Award and Best Photography Award

International Film Festival
Dompierre-sur-Besbre, France
Best Documentary

33rd festival of underwater image in Antibes
Juan les Pins, France
Palme de Bronze

Nature Festival
Namur, Belgium
Gold tape of the Audience, city of Namur’s award

International Marine and Exploration Film Festival
Toulon, France
Silver Anchor

Jules Verne Festival
Paris, France, 2006
Nature Award and Young Public’s Award

More English documentary:

Shark: Scavengers of the Seas — documentary BBC
www.youtube.com/watch?v=3D1_sRg22ms

Be a predator: Ocean — documentary BBC
www.youtube.com/watch?v=qvTSmVmcsZk

Be a predator: Poles — documentary BBC
www.youtube.com/watch?v=J3GkryGubic

Animal Homosexuality — documentary BBC
www.youtube.com/watch?v=oYdcvRe7ox8

A Day in The Life of a Dictator (portrait of craziness in power) — Documentary
www.youtube.com/watch?v=TposvnTgmJw

5 вещей быстрее скорости света


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“Плоская планета” - Хаумеа / Откуда мы знаем ее форму и почему она “плоская”?


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Хаумеа — одно из самых необычных тел Солнечной системы. Сильно сплюснутая планета. Но откуда мы это знаем, если на прямых снимках не видно ее формы?

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Источники:
Оригинальные научные статьи:
arxiv.org/ftp/astro-ph/papers/0509/0509401.pdf
arxiv.org/pdf/0811.3732.pdf
www.nature.com/articles/nature24051
arxiv.org/pdf/0801.4124.pdf

Данные о Хаумеа:
www.space.com/23091-haumea.html
solarsystem.nasa.gov/planets/dwarf-planets/haumea/in-depth/
earthsky.org/space/dwarf-planet-haumea-enigmatic-ring-new-insights
www.universetoday.com/121759/10-years-of-haumea/
www.universetoday.com/121851/the-dwarf-planet-haumea/
www.universetoday.com/40370/spot-discovered-on-haumea-rich-with-organics-and-minerals/

Статьи о скандале с открытием
www.newscientist.com/article/dn8033-astronomer-denies-improper-use-of-web-data/
www.newscientist.com/article/dn14759-controversial-dwarf-planet-finally-named-haumea/

Страница Хаумеа на сайте Центра Малых Планет:
www.minorplanetcenter.net/db_search/show_object?object_id=136108

Параметры спутников:
www.johnstonsarchive.net/astro/astmoons/am-136108.html

О сферической форме астрономических объектов:
www.astronomy.com/magazine/ask-astro/2017/08/the-diameter-of-spherical-bodies

Данные о радиусе Земли:
nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html

Снимки Хаумеа 2003 года:
www.infoastro.com/200809/26ataecina-haumea.html

Информация по Япету:
solarsystem.nasa.gov/moons/saturn-moons/iapetus/in-depth/

Кривая блеска Япета:
sci-hub.se/https://www.sciencedirect.com/science/article/abs/pii/0019103574900529?via=ihub

Как измерить массу планеты:
curious.astro.cornell.edu/our-solar-system/57-our-solar-system/planets-and-dwarf-planets/orbits/245-how-do-you-measure-a-planet-s-mass-beginner