ΤΕΧΝΗΤΗ ΝΟΥΜΟΣΥΝΗ ΚΑΙ ΡΟΜΠΟΤ.

Ενα ξαφνικο φαινομενο που υφιστατε ειναι η ξαφνικη ροη κοιτων ποταμων απο χειμαρους,η και η ξαφνικη ανοδος της ηδη υπαρχουσας,με αποτελεσμα να χανουν πολλοι ανθρωποι την ζωη τους οπως ειχε συμβη καποτε και στην Ελλαδα,στον Λουσιο ποταμο που εχασαν αρκετοι συνανθρωποι μας την ζωη τους! Θελει προσοχη οταν στο περα βρεχει,στις εκβολες του ποταμου,και εμεις κανουμε περιπατο στην λιακαδα!

 

Η μεγαλύτερη διασταύρωση της θάλασσας στον κόσμο, που συνδέει το Χονγκ Κονγκ, το Ζουχάι και το Μακάο, ανοίγει στην κυκλοφορία

Mega project! World's longest sea bridge opens to traffic

The largest antiquity circuit of all seasons in Turkey worth 1,000,000,000

Εξαρθωθηκε το μεγαλυτερο κυκλωμα αρχαιοκαπηλειας ολων των εποχων στην τουρκια.
14.000 ιστορικα κοματια τα περισσοτερα ελληνιστικης και βυζαντινης περιοδου κατασχεθηκαν,και συνεληφθηκαν 8 ατομα.
Υπολογιζεται περιπου οτι αξια τους εκτιμαται γυρω στο ενα δισεκατομυριο1.000.000.000$
Επαγγελματιες τυμβωρυχοι οι οποιοι δουλευαν με συγχρονα μεσα ανακαλυψης!

Dangerous Hurricane Lane approaches Hawaii

Cameras on the International Space Station captured views of Hurricane Lane churning in the Pacific Ocean Aug. 22 as it flew 254 miles south of the Hawaiian Islands at 12:47 p.m. EDT. At the time of the station’s pass, Lane was a major hurricane packing winds of 155 miles an hour moving west-northwest on a track that would bring the storm close to or over the islands between Wednesday and Saturday. Hurricane warnings and watches were posted by the Central Pacific Hurricane Center in Honolulu for the entire island chain.

https://earth.nullschool.net/#current/wind/isobaric/850hPa/orthographic=-199.26,24.92,450

Paleontologists from Bulgaria and FYROM are excavating the fossilized remains of a prehistoric elephant

Paleontologists from Bulgaria and the Former Yugoslavian Province of Macedonia (FYROM) are excavating the fossilized remains of a prehistoric elephant believed to pre-date the mammoth, after its bones were discovered accidentally by a man working in a field.








A member of a paleontologist team applies a liquid to protect a fossilized skeleton of extinct species of elephant,
excavated at Dolni Disan, near Negotino, in central FYROM
[Credit: Boris Grdanoski, via AFP]


Scientists at the Natural Science Museum of Skopje and the Natural History Museum of Sofia said Tuesday they began excavating the skeleton in Dolni Disan in central FYROM last Friday. They estimated the animal would have weighed about 10 tons and have been about 50 years old at the time of its death, roughly 8 million years ago during the Miocene epoch.








Paleontologists from Bulgaria and FYROM are excavating the fossilized remains of a prehistoric elephant believed
to pre-date the mammoth, after its bones were found accidentally by a man working in a field
[Credit: Boris Grdanoski, via AFP]


Biljana Garevska of the Natural Science Museum in Skopje said the fossil was of one of the elephant's ancestors which roamed the region at a time when it was covered by African-like savannah.

The world is watching as Chinese space station Tiangong-1 hurtles toward Earth and makes a fiery reentry

TIANGONG-1 REENTRY

TIANGONG-1

The world is watching as Chinese space station Tiangong-1 hurtles toward Earth and makes a fiery reentry. Chances that space debris will hurt anybody are extremely slim, although when and where the space station’s remains will land is still unknown. Read more. Please visit our media kit page for other background information.

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Reentry Information

Tiangong-1 is currently predicted to reenter the Earth’s atmosphere around April 2nd, 2018 00:18 UTC ± 2 hours.

This prediction was performed by The Aerospace Corporation on 2018 April 1.

Object Description

Type:	Payload
Int’l Designation:	2011-053A
NORAD Number:	37820
Launched:	2011 September 30 @ 03:16:03.507 UTC
Site:	Jiuquan Satellite Launch Center, China
Mission:	Tiangong-1, First Chinese Space Station
Mass:	8500 kg at launch (18,740 lbs)
Length:	10.5 m (34 ft)
Diameter:	3.4 m (11 ft)
Solar panels:	2 panels (approx. 7 m x 3 m)

Reentry Dashboard: Where is Tiangong-1 now?

(Click on image to view full-size image. Image updated every few minutes. Note: You may need to click on the image and hit refresh in your browser to see the latest image.)

Reentry Overview Video

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Tiangong-1 Altitude Prediction

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Tiangong-1 Altitude History & Adjustments

Dotted lines indicate dates of probable orbital maneuvers.

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Mission Background

• Tiangong-1 is the first space station built and launched by China.

• It was designed to be a manned lab as well as an experiment/demonstration for the larger, multiple-module Tiangong station.

• The spacecraft was launched aboard a Long March 2F/G rocket on 2011 September 30 UTC.

• There are 2 modules that compose Tiangong-1: A habitable experimental module and a resources module.

• It has a habitable volume of 15 cubic meters.

• Tiangong-1 is equipped with 2 sleep stations for astronauts.

• The first Chinese orbital docking occurred between Tiangong-1 and an unmanned Shenzhou spacecraft on 2011 November 2.

• 2 manned missions were completed to visit Tiangong-1: Shenzhou 9 and Shenzhou 10.

Diagram of Tiangong-1 – Image credit: Wikimedia Commons

Manned Visits to Tiangong-1

Shenzhou 9	Shenzhou 10
Launched 2012 June 16 with 3 astronauts	Launched 2013 June 11 with 3 astronauts
China’s first female astronaut (Liu Yang) was aboard	First Chinese orbital maintenance completed
Completed 2 dockings – 1 computer-controlled, 1 crew-guided	More docking tests executed
13 day mission, 11 days spent at station	15 day mission, 13 days spent at station

Has There Been a Loss of Control?

On 2016 March 21, an official Chinese statement declared that telemetry services with Tiangong-1 had ceased. Based on The Aerospace Corporation’s analysis of Two-Line Element set data from the JSpOC, the last orbital adjustment for Tiangong-1 was made in December 2015. Likewise, amateur satellite trackers have been tracking Tiangong-1 and claim it has been orbiting uncontrolled since at least June 2016. On 2016 September 14, China made an official statement that they predict Tiangong-1 will reenter the atmosphere in the latter half of 2017.  China later updated its prediction via an announcement to the UN’s Committee on Peaceful Uses of Outer Space on December 8, 2017.  It was not mentioned whether the reentry was to be targeted or remain uncontrolled.

FAQs

Where will Tiangong-1 reenter?

It is a well known scientific principle that any measurement or prediction will always have an associated uncertainty. In the case of most reentering objects, the uncertainty associated with predicting reentry location is extremely large and precludes an accurate location prediction until shortly before the reentry has occured. In general, it is much easier to predict an accurate reentry time rather than an accurate reentry location. Based on Tiangong-1’s inclination, however, we can confidently say that this object will reenter somewhere between 43° North and 43° South latitudes.

How Difficult is it to Accurately Predict a Reentry?

Due to the uncertainties involved it is very difficult to predict the exact timing of a space object’s reentry. There are several sources of uncertainty which include: 1) significant variation in the density of the upper layers of the atmosphere, 2) significant uncertainties in the orientation of the space craft over time, uncertainties in some physical properties of the spacecraft such as the exact mass and material composition, and 3) uncertainties in the exact location and speed of the space station. When aggregated, these factors translate into a reentry timing uncertainty that is roughly 20% of the “time to go” (the time between the date of the prediction and the predicted date of reentry).

Will objects from this reentry hit me or my property?

It is highly unlikely that debris from this reentry will strike any person or significantly damage any property. The only known case of space debris striking a person is Ms. Lottie Williams of Tulsa, Oklahoma who was struck by a small piece of space debris in 1996 but was not harmed in any significant way.

As reentry gets closer, we are able to narrow possible reentry locations to a collection of specific ground tracks instead of broad regions of the globe. As the reentry time gets closer, the number of ground tracks will diminish until we are left with only one, and after that with only a portion of a single ground track. Areas not within the ground tracks are clear. The exact statistical likelihood of you or your property being struck by reentering debris is constantly changing. Potential reentry points and whether the final ground track is over inhabited or uninhabited areas will determine the risk to a specific location. Even so, the likelihood of any one person (i.e. YOU) being struck by debris is still far less than winning the Powerball Jackpot.

Is this a controlled reentry?

It is unlikely that this is a controlled reentry. Although not declared officially, it is suspected that control of Tiangong-1 was lost and will not be regained before reentry.

Are there people on board? Are they in danger?

No, no astronauts are currently on board Tiangong-1. The last manned mission departed from Tiangong-1 in June 2013.

Can I see the reentry?

It may be possible to see Tiangong-1 reentering depending on your location, the time of day, and visibility during reentry which will not be known until a few days prior to the event. A more detailed predicted reentry region will be provided a few days prior to the reentry time frame. Visibly incandescent objects from this reentry will likely last tens of seconds (up to a minute or more) in contrast with the vast majority of natural meteors which last mere seconds.

What will this reentry look like?

Depending on the time of day and cloud visibility, the reentry may appear as multiple bright streaks moving across the sky in the same direction. Due to the relatively large size of the object, it is expected that there will be many pieces reentering together, some of which may survive reentry and land on the Earth’s surface. Some examples of reentries can be found here: video 1, video 2.

Are there hazardous materials on board?

Potentially, there may be a highly toxic and corrosive substance called hydrazine on board the spacecraft that could survive reentry. For your safety, do not touch any debris you may find on the ground nor inhale vapors it may emit.

Should I report a sighting of the reentry? If so, to whom?

Yes. Contact CORDS at http://www.aerospace.org/cords/contacting-cords/ – Please report your location and time of the sighting, a description of what you saw, and provide any images or videos you may have captured of the reentry.

Is this the largest man made object to ever reenter from space?

No. The largest object to reenter is the Mir space station at 120,000 kg which reentered on 2001 March 23. In comparison, Tiangong-1 is only 8,500 kg. For further space debris reentry information, consult the table on this page.

Has anyone been harmed by reentry debris?

In the history of spaceflight, no known person has ever been harmed by reentering space debris. Only one person has ever been recorded as being hit by a piece of space debris and, fortunately, she was not injured.

New vehicles to study (microbial) life in Hawaiian waters

The first of the three MBARI autonomous vehicles designed to document microbial diversity in the ocean arrived in Hawaii this week and will be deployed off the Hawaiian coast on Friday. Scientists and engineers at MBARI are working in collaboration with researchers at the University of Hawaii to develop a new ocean sensing and sampling system of autonomous underwater vehicles (AUVs) to better understand microbial processes in the ocean.

Earlier this year, MBARI engineers completed the construction and testing of three new long-range AUVs, which have expanded range and longer endurance than regular AUVs. In the future, each of these vehicles will carry an Environmental Sample Processor (ESP), an instrument that collects and preserves seawater samples immediately, capturing the native state of organisms’ genetic material and proteins.

The three long-range AUVs Ahi, Aku, and Opah (in the center) on MBARI’s dock. These vehicles will be used to study microbial diversity off the Hawaiian coast.

Because LRAUVs are very complex systems, MBARI Engineers Brian Kieft and Brett Hobson are assisting with this first deployment. They are instructing its new users how to pilot the vehicle and create missions in the ocean.

When equipped with ESPs, the three vehicles, named Ahi, Aku, and Opah, will work in unison to address the challenge of sampling at different locations and depths faster than microbial communities and their environment change in time.

Opah, the first of the three long-range autonomous underwater vehicles (LRAUVs) to arrive in Hawaii, with University of Hawaii engineers Gabe Foreman (left) and Steve Poulos.

MBARI engineer Brett Hobson (left) and Gabe Foreman prepare for Friday’s deployment of LRAUV Opah.