Science & TechnologyS


Question

Mysterious Object or Planet Moves Over the Sun on SOHO Imagery

Mystery Object
© Fom The Old
NASA has no explanation or announcements on what this could be so we can only guess that this is another planet moving past the SOHO imagery. The question is what planet could this be? Is it a asteroid, Venus or Mercury maybe?

Something did move past the sun, people online believe it could everything from the "nibiru" / planet x theory to a camera anomaly but no one has come out with an official answer yet.

That planet scientists talked about a few days ago, throwing ice bullets and causing chaos on earth, maybe it came for a visit.

The imagery is from 2010/12/06.

What could this be?

Update: You might want to look at around 10 second into the video, it happens fast because the video is actually in fast forward mode,not real time. You can see the "object" coming in from the right side at around 10 or 11 seconds into the video.

Comment: This object is the moon. The author of this video confused the SOHO satellite with the SDO satellite. AIA 304, referred to above, is an instrument on SDO, and not on SOHO. You can see on this archive site that the images actually come from the SDO satellite. SDO is in geosynchronous orbit because of the high data bandwidth and its 36000 km orbit is well within the lunar orbit. This video shows another example of a lunar transit as seen by the SDO satellite.

Additionally, SOTT.net made an approximate simulation with the Celestia solar system simulator. SDO is always positioned about 36000 km over Mexico/Ecuador/Chile. Inside the Celestia program, we've positioned ourselves approximately at those coordiates, and set the time to 6th of December, about 3 a.m. The result:




Info

Lost Civilization May Have Existed Beneath the Persian Gulf

Persian Gulf
© WikipediaPersian Gulf from space.
Veiled beneath the Persian Gulf, a once-fertile landmass may have supported some of the earliest humans outside Africa some 75,000 to 100,000 years ago, a new review of research suggests.

At its peak, the floodplain now below the Gulf would have been about the size of Great Britain, and then shrank as water began to flood the area. Then, about 8,000 years ago, the land would have been swallowed up by the Indian Ocean, the review scientist said.

The study, which is detailed in the December issue of the journal Current Anthropology, has broad implications for aspects of human history. For instance, scientists have debated over when early modern humans exited Africa, with dates as early as 125,000 years ago and as recent as 60,000 years ago (the more recent date is the currently accepted paradigm), according to study researcher Jeffrey Rose, an archaeologist at the University of Birmingham in the U.K.

"I think Jeff's theory is bold and imaginative, and hopefully will shake things up," said Robert Carter of Oxford Brookes University in the U.K. in an e-mail to LiveScience. "It would completely rewrite our understanding of the out-of-Africa migration. It is far from proven, but Jeff and others will be developing research programs to test the theory."

Viktor Cerny of the Archaeogenetics Laboratory, the Institute of Archaeology, in Prague, called Rose's finding an "excellent theory," in an e-mail to LiveScience, though he also points out the need for more research to confirm it.

Info

Spacecraft Saw ULF Radio Emissions over Haiti before January Quake

A French satellite observed a dramatic increase in ultra low frequency radio waves over Haiti in the month before the M7.0 earthquake earlier this year.

ULF Waves Over Haiti
© Technology Review, MIT

Back in 2004, the French space agency CNES launched a small satellite called DEMETER into polar orbit some 700 km above the Earth's surface.

DEMETER's is an unusual mission. Its job is to monitor low frequency radio waves generated by earthquakes.

Today, a group of geoscientists release the data associated with the M 7.0 earthquake that struck Haiti in January. They say that DEMETER saw a clear increase in ultralow frequency radio waves being emitted from the Earth's the crust in that region in the build up to the quake.

The anecdotal evidence of electromagnetic effects associated with earthquakes is legion. Various accounts link earthquakes with mysterious light and heating effects. Then there is the widespread evidence that certain animals can sense impending quake, possibly because of a sensitivity to low frequency electric fields.

But good data is hard to come by. Geoscientists have been measuring the currents that flow through Earth beneath our feet for over 100 years. These so-called telluric currents are thought to be generated by friction and piezoelectric effects within rock. And the flow of electrons they cause has been linked to various atmospheric phenomena such as thunderstorms.

But the role these currents play in earthquake physics is unknown. It makes sense that any currents generated by friction and piezoelectric effects should be dramatically influenced by the relative movement of different parts of the crust.

Bug

US Air Force studies fruit-flies to build killer insect swarm drones

Tiny droid lands on your neck and BLAM - you're dead

The US Air Force is engaged in wacky research on fruit flies manoeuvring within a heavily instrumented "simulation tunnel" in order to develop tiny, potentially murderous insect-sized flying robots.

Rocket

SpaceX Becomes First Private Company to Put Capsule in Orbit

Image
© LA TimesThis morning SpaceX's Falcon 9 rocket enjoyed the first successful launch of its Dragon capsule. The capsule is designed to ferry supplies and passengers to the International Space Station. The company hopes to be delivering cargo by the end of 2011, and passengers by 2013.
This morning SpaceX became the first private corporation to launch a large capsule into Earth orbit, marking a landmark in the exploration of space.

At approximately 10:43 a.m. ET the company's Dragon capsule launched from the U.S. National Aeronautics and Space Administration's (NASA) Kennedy Space Center, aboard a two-stage Falcon 9 rocket. The stages performed flawlessly.

The launch began with the first stage's nine powerful Merlin 1C engines roaring to life. As they died, the first stage dropped as planned, and the rocket soared through the upper atmosphere. The second stage, which employs Merlin Vacuum engine, then began firing, propelling the rocket towards orbit. The second stage then successfully separated, and the protective capsule cone fell away just as planned.

The only remaining objective is to test the capsule's heat shield for a successful reentry into the Earth's atmosphere.

Info

Fear of Farming

Image
© Unknown
I've been working in archaeology for over 30 years and I try to tell myself that my chosen profession has not just been a self indulgence, but that it can have relevance to others and to the way we live today. Personally, I try to be as 'green' as possible, though I know I could do more: I use the car more than I should; put the heating on during the day; buy the occasional pineapple; and frequently fly when I travel south. Recently I have become an 'academic' (for which read 'got a job') so I am now a born again enthusiast for telling people about the archaeology that I love - if I like the Mesolithic, so should my students! If my students like the Mesolithic, so should everyone!! For the past couple of years I have been working on some ideas that try to make sense of my archaeology in the world of today, while re-awakening interest in the ancient hunter-gatherer population who lived in Britain before the development of farming some 6000 years ago.

Sun

Sunspot 1131 Looks Like A Sunflower

Sunspot 1131 is very photogenic and "looks like a sunflower," says Rogerio Marcon of Campinas, Brazil:

Image
© SDO/HMI
View a 2-Day movie here.

Sun

Aurora Sky Station Northern Lights

Last night (Dec. 7th) a minor gust of solar wind gently buffeted Earth's magnetic field. At the Aurora Sky Station in Sweden, above the Arctic Circle, a gentle gust is all it takes to ignite auroras you can reach out and touch ... almost:

Image
© Chad Blakley
"Every night our staff checks spaceweather.com to see what the future may hold," says Sky Station photographer Chad Blakley. "Needless to say, we were all excited when we saw the density of the solar wind rise above 15 protons/cm3. Soon the auroras began, and they did not stop until we all went home six hours later." (For the record, the auroras pictured above were more than 100 km above Blakeley's head.)

A more forceful gust of solar wind is en route to Earth, due to arrive on Dec. 10th. High-latitude sky watchers should remain alert for auroras.

Sun

Sunspot Sunrise Surprise

Sunspot 1131 is so big, it can be seen without the aid of a solar telescope. On Dec. 6th, Terry Reis "spotted" it while photographing the sunrise from White Plains Beach, Oahu, Hawaii:

Image
© Terry Reis
"Other than the sunspot, it was a completely routine Hawaiian sunrise," says Reis. "Beautiful!"

Sunspot 1131 is big, but quiet. The behemoth spot has a simple, stable magnetic field that poses little threat for a major eruption. At the moment it is producing more pretty pictures than solar flares. Browse the links, below, for examples.

Blackbox

Best of the Web: Massive dark object 'lurking on edge of solar system hurling comets at Earth'

solar system/oort cloud
© Donald K. Yeoman/NASA, JPLA Nasa graphic which illustrates how the Oort Cloud surrounds our solar system. Scientists believe that an object with a huge mass may be pushing comets towards Earth from the cloud
A massive dark object may be lurking on the edge of our solar system, according to scientists.

Most comets that fly into the inner solar system seem to come from the outer region of the Oort cloud - a region of icy dust and debris left over from the birth of the solar system.

The cloud starts from a point about 93 billion miles from the Sun and stretches for around three light years and contains billions of comets, most of them small and hidden.

Now new calculations suggest a large object that is up to four times as big as Jupiter could be responsible for sending them in our direction.

The scientists have analysed the comets in the Oort cloud and deduced that 25 per-cent of them would need a nudge by a body of at least Jupiter size before they changed orbit.

Astrophysicists John Matese and Daniel Whitmire at the University of Louisiana came up with theory said that "something smaller than a Jovian mass would not be strong enough to perform the task".