Stream

Join this community to post or comment

유정수

Space Exploration  - 
 
The bleak Eyed galaxy 
29
1
Add a comment...

sandip mehta

Space Exploration  - 
 
.Mic: Physicists Have New Proof That Backward Time Travel Is Impossible. http://google.com/newsstand/s/CBIwr62tpis
This could change the laws of physics as we know them.
16
3
Chuck Jones's profile photo
16 comments
 
A soul is you, you are soul. It's the matter with you. What you think is not a matter until you do science.
Add a comment...

New World Wow

Space Exploration  - 
 

So you braved a six-month journey to Mars, hurtling through space aboard a cramped spaceship. As you set up camp on the Red Planet, boldly stepping where no earthling has stepped before, you find yourself asking that age old question: What’s for dinner? Lots of veggies, it turns out. At least, that’s the plan. On …
7
Add a comment...

Kevin C

Space Exploration  - 
 
China launches new generation Long March 7 rocket
China has launched its new generation Long March-7 carrier rocker into space, transporting cargo for the country's planned space station.
28
4
Mycll d.D's profile photoT.E. Mark's profile photo
3 comments
 
Outstanding. Thanks for sharing!
Add a comment...

Alfonso Rivera Jr.

Space Exploration  - 
 
Get swept away with NASA's 'Mars Explorers Wanted' posters

http://flip.it/ThJK8
NASA's whipped up some new posters that are out of this world -- and free.
9
1
Add a comment...
 
Soviet Documentary about Apollo–Soyuz Test Project (1975) in english
Pt 1/2 https://plus.google.com/111928169928829223131/posts/dDso44V3kkc
Pt 2 /2 https://plus.google.com/111928169928829223131/posts/Yf5966PxR49
 ·  Translate
Pt. 1/2 Советский документальный фильм о Экспериментальный полёт «Союз» — «Аполлон», Soviet Documentary about Apollo–Soyuz Test Project (1975) английский… - SOVIET SPACE PROGRAM (Космическая программа СССР) - Google+
1
Add a comment...

Herbert Miller

Space Exploration  - 
 
While not exactly a space mission this collaborative effort hopefully will lead to future joint missions in space.
 
NASA and Chinese astronauts are about to go to work together on an historic mission set up by the European Space Agency. #NASA #ESA #space #China #航天 #中国 #航天员 
American and Chinese astronauts are about to go to work together on an historic joint mission with the European Space Agency, despite political issues barring cooperation between NASA and the China National Space Administration.
23
3
neal chin's profile photo
 
Good luck best of give ior all, don't do anything hash
Add a comment...

Phil Rounds

Space Exploration  - 
 
Okay, this is good news, but....Wouldn't it be nice if we partnered in actually gaining some new ground in space exploration instead of, as Neil DeGrasse Tyson once aptly put it, "Boldly going where everyone has gone before" ?
China is launching a rival to the International Space Station, and it's partnering with the UN to let other countries have a go
35
1
Chris Gallaty's profile photoPhil Rounds's profile photo
9 comments
 
By reinventing the wheel, i meant doing exactly what we have already done. I doubt their SS will be much of an improvement.,,,and we actually WENT to the Moon, they've just sent a rover.

We can put supplies and personnel on the ISS anytime we like either using Soyuz or US spacecraft. The SpaceX Dragon is running supplies now and will be crew-ready soon

It just seems like a waste of an opportunity to actually cover some new ground. If they are willing to work with us why not pick a goal that would advance humanity's space exploration beyond LEO? We've been circling the Earth for over 50 years!
Add a comment...

blażej michałowski

Space Exploration  - 
 
Deep space.
12
Add a comment...

Derek Adjei

Space Exploration  - 
 
A new type of Atomic Nuclei suggest that time travel isn't possible( I personally hate time travel but know the same technology can be use to cross into different dimensions or universes). I personally believe we won't ever know much about the universe like we want to (despite the ability we pocess to construct highly precise theories to piece together information) until we contact other intelligent beings for cross species exchanges as our ancestors did with each other.
A group of scientists confirmed that there is a pear-shaped nucleus. Not only does this violate some laws in physics, but also suggests that time travel is not possible.
2
1
Add a comment...

Thorfinn Hrolfsson

Space Exploration  - 
 
Planetary scientists have discovered pieces of opal in a meteorite found in Antarctica, a result that demonstrates that meteorites delivered water ice to asteroids early in the history of the solar system. Led by Professor Hilary Downes of Birkbeck College London, the team announce their results at the National Astronomy Meeting in Nottingham on Monday 27 June.

Opal, familiar on Earth as a precious stone used in jewellery, is made up of silica (the major component of sand) with up to 30% water in its structure, and has not yet been identified on the surface of any asteroid. Before the new work, opal had only once been found in a meteorite, as a handful of tiny crystals in a meteorite from Mars.
Downes and her team studied the meteorite, named EET 83309, an object made up of thousands and broken pieces of rock and minerals, meaning that it originally came from the broken up surface, or regolith, of an asteroid. Results from other teams show that while the meteorite was still part of the asteroid, it was exposed to radiation from the Sun, the so-called solar wind, and from other cosmic sources. Asteroids lack the protection of an atmosphere, so radiation hits their surfaces all the time.

EET 83309 has fragments of many other kinds of meteorite embedded in it, showing that there were many impacts on the surface of the parent asteroid, bringing pieces of rock from elsewhere in the solar system. Downes believes one of these impacts brought water ice to the surface of the asteroid, allowing the opal to form.

She comments: "The pieces of opal we have found are either broken fragments or they are replacing other minerals. Our evidence shows that the opal formed before the meteorite was blasted off from the surface of the parent asteroid and sent into space, eventually to land on Earth in Antarctica."

"This is more evidence that meteorites and asteroids can carry large amounts of water ice. Although we rightly worry about the consequences of the impact of large asteroid, billions of years ago they may have brought the water to the Earth and helped it become the world teeming with life that we live in today."

The team used different techniques to analyse the opal and check its composition. They see convincing evidence that it is extra-terrestrial in origin, and did not form while the meteorite was sitting in the Antarctic ice. For example, using the NanoSims instrument at the Open University, they can see that although the opal has interacted to some extent with water in the Antarctic, the isotopes (different forms of the same element) match the other minerals in the original meteorite.
32
6
Add a comment...

Kevin C

Space Exploration  - 
 
 
#SpaceScience image of the week is this test version of the parachute that will slow the #Schiaparelli entry, descent and landing module as they plummet through the martian atmosphere on 19 October. The full-scale qualification model, pictured here, was used to test the pyrotechnic mortar deployment and the strength of the parachute in the world’s largest wind tunnel, operated by the US Air Force at the National Full-Scale Aerodynamic Complex in +NASA's Ames Research Center, California.

More info: http://www.esa.int/spaceinimages/Images/2016/06/Testing_Schiaparelli_s_parachute

Credit: USAF Arnold Engineering Development Complex
15
2
matthew harder's profile photo
 
Love it
Add a comment...

Alfonso Rivera Jr.

Space Exploration  - 
 
Scientists grew a bunch of vegetables in 'Martian' soil — and they're about to taste them

http://flip.it/c618Q
4
Add a comment...

Divyajyoti Sahoo

Space Exploration  - 
 
What are the things that determine the size of a core of a planet ? 
8
Mycll d.D's profile photo
9 comments
 
+Patrik W it's the layer in the middle.
Add a comment...

Thorfinn Hrolfsson

Space Exploration  - 
 
New work from Carnegie’s Peter Driscoll suggests Earth’s ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two. It is published in Geophysical Research Letters.

Earth generates a strong magnetic field extending from the core out into space that shields the atmosphere and deflects harmful high-energy particles from the Sun and the cosmos. Without it, our planet would be bombarded by cosmic radiation, and life on Earth’s surface might not exist. The motion of liquid iron in Earth’s outer core drives a phenomenon called the geodynamo, which creates Earth’s magnetic field. This motion is driven by the loss of heat from the core and the solidification of the inner core.

But the planet’s inner core was not always solid. What effect did the initial solidification of the inner core have on the magnetic field? Figuring out when it happened and how the field responded has created a particularly vexing and elusive problem for those trying to understand our planet’s geologic evolution, a problem that Driscoll set out to resolve.
Journal Reference:
Peter E. Driscoll. Simulating Two Billion Years of Geodynamo History. Geophysical Research Letters, 2016
http://dx.doi.org/10.1002/2016GL068858
Washington, DC— New work from Carnegie’s Peter Driscoll suggests Earth’s ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two. It is published in Geophysical Research Letters.
22
2
Add a comment...

Thorfinn Hrolfsson

Space Exploration  - 
 
Hydrogen is the most-abundant element in the universe. It’s also the simplest—sporting only a single electron in each atom. But that simplicity is deceptive, because there is still so much we have to learn about hydrogen.

One of the biggest unknowns is its transformation under the extreme pressures and temperatures found in the interiors of giant planets, where it is squeezed until it becomes liquid metal, capable of conducting electricity. New work published in Physical Review Letters by Carnegie’s Alexander Goncharov and University of Edinburgh’s Stewart McWilliams measures the conditions under which hydrogen undergoes this transition in the lab and finds an intermediate state between gas and metal, which they’re calling “dark hydrogen.”

On the surface of giant planets like Jupiter, hydrogen is a gas. But between this gaseous surface and the liquid metal hydrogen in the planet’s core lies a layer of dark hydrogen, according to findings gleaned from the team’s lab mimicry.
Journal Reference:
R. Stewart McWilliams, D. Allen Dalton, Mohammad F. Mahmood, Alexander F. Goncharov. Optical Properties of Fluid Hydrogen at the Transition to a Conducting State. Physical Review Letters, 2016; 116 (25)
http://dx.doi.org/10.1103/PhysRevLett.116.255501
Washington, DC— Hydrogen is the most-abundant element in the universe. It’s also the simplest—sporting only a single electron in each atom. But that simplicity is deceptive, because there is still so much we have to learn about hydrogen.
21
4
Paper Kosmonaut's profile photoHooman Mortezaie's profile photo
4 comments
 
if OXISION example 1000 3cm targeted by some space objects . what happened ? 
Add a comment...

Thorfinn Hrolfsson

Space Exploration  - 
 
In the first billion years of Earth’s history, the planet was bombarded by primordial asteroids, while a faint Sun provided much less heat. A Southwest Research Institute-led team posits that this tumultuous beginning may have ultimately fostered life on Earth, particularly in terms of sustaining liquid water.

“The early impacts caused temporary, localized destruction and hostile conditions for life. But at the same time, they had a long-term beneficial effect in stabilizing surface temperatures and delivering key elements for life as we know it,” said Dr. Simone Marchi, a senior research scientist at SwRI’s Planetary Science Directorate in Boulder, Colo. He is the lead author of a paper, “Massive Impact-induced Release of Carbon and Sulfur Gases in the Early Earth’s Atmosphere,” recently published in the journal Earth and Planetary Science Letters. The paper addresses a major problem, one of the outstanding mysteries in the history of the solar system and Earth — the faint young Sun paradox.
Journal Reference:
S. Marchi, B.A. Black, L.T. Elkins-Tanton, W.F. Bottke. Massive impact-induced release of carbon and sulfur gases in the early Earth's atmosphere. Earth and Planetary Science Letters, 2016; 449: 96
http://dx.doi.org/10.1016/j.epsl.2016.05.032
4
Add a comment...

Hamamatsu Corporation

Space Exploration  - 
 
Laser propulsion could let us reach the nearby triple star system Alpha Centauri in just a few decades.
The Breakthrough Starshot project will tackle the difficult engineering hurdles between us and our nearest stellar neighbors
33
Rajendrakumar Himatlal Pandya's profile photo
Add a comment...