Destiny QQ 81

Destiny QQ 81 V 1990 godu Lenovo nachala sobiratj i prodavatj kompjyuteri pod sobstvennoj originaljnoj torgovoj mar

Stunning images of a "stellar nursery" and a "cosmic dance" have been acquired by Nasa's new $10bn space telescope.The t...
08/09/2023

Stunning images of a "stellar nursery" and a "cosmic dance" have been acquired by Nasa's new $10bn space telescope.

The two pictures, and others, were presented to the world on Tuesday to mark the James Webb observatory's readiness to begin science operations.

The facility has spent the past six months since launch undergoing testing.

Viewed as the successor to the famous Hubble telescope, Webb is expected to be a dominant force for discovery for at least the next 20 years.

Dr Rachel Tilling worked extensively with Cryosat data before transferring her studies to the US space agency's recently...
09/08/2023

Dr Rachel Tilling worked extensively with Cryosat data before transferring her studies to the US space agency's recently launched Icesat-2 laser altimeter mission.

She applauded the innovation.

"Summer is when sea-ice extent in the Arctic is seeing its most rapid decline, and having this extra dimension will help us understand more about how the ice pack is changing," the Nasa scientist told BBC News.

"Icesat-2 has its own unique difficulties in summer but we're lucky that its photon-counting technology means we can still measure the height of sea-ice, water and melt ponds year-round.

"Having said that, Cryosat-2 will always be my first love so I'm really excited to see it being used in this novel way."

31/07/2023

Nasa and the SpaceX rocket company are to study the feasibility of running a private astronaut mission to extend the life of the Hubble telescope.

The orbiting observatory, one of the greatest instruments in the history of science, is gradually losing altitude.

If nothing is done to re-boost it, the telescope will eventually fall into the atmosphere and burn up.

Hubble was serviced on five occasions by astronauts in Nasa's space shuttle, the last time being in 2009.

Since then, the telescope has come down by about 25km and now circles the Earth at a height of 540km.

That's when one of the key events in the whole mission occurs.Engineers are most concerned to learn that Orion's heatshi...
19/07/2023

That's when one of the key events in the whole mission occurs.

Engineers are most concerned to learn that Orion's heatshield will cope with the extreme temperatures it will encounter on re-entry to our planet's atmosphere.

The capsule will be coming in very fast - at 38,000km/h (24,000mph), or 32 times the speed of sound.

A shield on its underside must cope with temperatures approaching 3,000C.

The Perseverance rover has begun gathering the evidence that may answer the question of whether there is life on Mars.It...
07/07/2023

The Perseverance rover has begun gathering the evidence that may answer the question of whether there is life on Mars.

It has dropped its first rock sample down on to the planet's surface to await retrieval and return to Earth.

It's a key moment in the decades-long quest to bring materials home from another planet for study in the lab.

It's thought that only by studying rock and soil samples on Earth can the question of life there be resolved.

27/06/2023

The six-tonne spacecraft will make a series of flybys of Callisto, Ganymede and Europa, using an advanced package of instruments to investigate whether any of these worlds are habitable.

This might sound fanciful. The Jovian system is in the cold, outer reaches of the Solar System, far from the Sun and receiving just one twenty-fifth of the light falling on Earth.

But the gravitational squeezing and pushing the giant planet gives its moons means they have the energy and warmth to retain vast quantities of liquid water at depth. And we know on Earth that wherever there is water, there's an opening for life.

The Nasa mission was launched back in August to study the mysteries of the Sun's outer atmosphere, or corona.This region...
19/06/2023

The Nasa mission was launched back in August to study the mysteries of the Sun's outer atmosphere, or corona.

This region is strangely hotter than the star's "surface", or photosphere. While this can be 6,000 degrees Celsius, the outer atmosphere may reach temperatures of a few million degrees.

The mechanisms that produce this super-heating are not fully understood.

Parker aims to solve the puzzle by passing through the outer atmosphere and directly sampling its particle, magnetic and electric fields.

"We need to go into this region to be able to sample the new plasma, the newly formed material, to be able to see what processes, what physics, is taking place in there," explained Nicola Fox, director of the Heliophysics Division at Nasa HQ in Washington DC.

We're looking at Saturn at a very special time in the history of the Solar System, according to scientists.They've confi...
06/06/2023

We're looking at Saturn at a very special time in the history of the Solar System, according to scientists.

They've confirmed the planet's iconic rings are very young - no more than 100 million years old, when dinosaurs still walked the Earth.

The insight comes from the final measurements acquired by the American Cassini probe.

The satellite sent back its last data just before diving to destruction in the giant world's atmosphere in 2017.

Nasa has put a miniaturised atomic clock in orbit that it believes can revolutionise deep-space navigation.About the siz...
22/05/2023

Nasa has put a miniaturised atomic clock in orbit that it believes can revolutionise deep-space navigation.

About the size of a toaster, the device is said to have 50 times the stability of existing space clocks, such as those flown in GPS satellites.

If the technology proves itself over the next year, Nasa will install the clock in future planetary probes.

The timepiece was one of 24 separate deployments from a Falcon Heavy rocket that launched from Florida on Tuesday.

The other passengers on the flight were largely also demonstrators. They included a small spacecraft to test a new type of "green" rocket fuel, and another platform that aims to propel itself via the pressure of sunlight caught in a large membrane; what's often called a "lightsail".

The Council is negotiating a wide-ranging package of space programmes valued at €12.5bn (£10.7bn) over three years, or €...
17/05/2023

The Council is negotiating a wide-ranging package of space programmes valued at €12.5bn (£10.7bn) over three years, or €14.3bn (£12.3bn) when considered over five years.

Another of the large ticket items is Earth observation, a key element of which is the recommended expansion of Copernicus, a suite of satellites called Sentinels that monitor the status of the planet.

Esa is already producing six sensor systems in this programme and it aims to start the planning for a further six after Seville. The agency asked for €1.4bn from ministers, and at the end of day one's deliberations had already collected bids for €1.7bn, the BBC understands.

Astronomers have discovered a vast structure in our galaxy, made up of many interconnected "nurseries" where stars are b...
10/05/2023

Astronomers have discovered a vast structure in our galaxy, made up of many interconnected "nurseries" where stars are born.

The long, thin filament of gas is a whopping 9,000 light-years long and 400 light-years wide.

It lies around 500 light-years from our Sun, which is relatively close by in astronomical distances.

The discovery, outlined in the journal Nature, came from work to assemble a new map of the Milky Way.

An international team analysed data from the European Gaia space telescope, which was launched in 2013.

Kia and Max were euthanised after "succumbing to a number of age-related conditions" and their deaths followed that of t...
03/05/2023

Kia and Max were euthanised after "succumbing to a number of age-related conditions" and their deaths followed that of their sibling Neo the previous November.

At the time, the zoo said the habitat would remain empty while it found "the right breeding group".

It has since hosted lions which needed a temporary home, including five from Africa Alive at Kessingland in Suffolk whose enclosure was damaged during Storm Eunice in February 2022.

They stayed for about two months while their enclosure was repaired.

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