Much as the sun's solar wind blows out the tails of comets, the vanishingly thin stuff between the stars blows the charged particles and magnetic fields of
the solar wind back into a tail.
Not exact matches
Following a record - breaking summer, Australia's energy market operator warned this week that eastern Australia desperately needs more gas for power stations within the next two years to provide
back - up electricity for
wind and
solar and avert blackouts.
Back in the petroleum - challenged 1970s, alternative energy of all sorts —
solar,
wind, geothermal, and anything cleaner and environmentally friendlier than fossil fuels — was the wave of the future and hence the stuff of entrepreneurial dreams.
In fact, it is expected to have a surplus of
solar,
wind and kinetic energy that can be sold
back to the grid and make the service profitable.
Regulators are now looking for alternatives to the conventional power grid, like microgrids, and are hoping that
backing them up with renewable
solar and
wind power would reduce the bottlenecks in the power system and get the lights
back on more quickly after a future disaster.
«There might be some places where
solar would have won for new generation that now might revert
back to
wind or natural gas,» Mr. Shiao said.
Home owners, renters, small and large business, all started producing their own
solar and
wind power and feeding it
back into the grid.
By 2012, that figure had soared to 22 per cent, on the
back of investment in biofuels,
wind turbines and, in particular,
solar power.
A CAST - OFF crumb from the
solar system's early days has
wound its way
back towards the sun.
Contrary to predictions, the sun's tail is slightly twisted by the interstellar magnetic field and reflects the varying intensity of
solar wind emissions
back on the sun.
Particles from the Sun (the so - called
solar wind) blow the gases
back in a straight tail, whilst sunlight exerts a pressure on the dust particles to create a curved tail.
Such a radiation bath would have vaporized most of Mercury's crust, and over the eons the
solar wind would have blown the remnants
back out into the
solar system.
On a cold, still winter's morning,
wind and
solar need to be
backed up by a complementary source such as coal or gas.
The two - way system could store energy as hydrogen to
back up intermittent
solar or wind power installations and even the Solar Eagle, a dragonflylike unmanned aerial vehicle that is to fly multiyear miss
solar or
wind power installations and even the
Solar Eagle, a dragonflylike unmanned aerial vehicle that is to fly multiyear miss
Solar Eagle, a dragonflylike unmanned aerial vehicle that is to fly multiyear missions.
A decrease in
solar radiation, they suspect, forces the jet stream to fold
back on itself over the Atlantic, creating a large spiral of air that can stay stable for weeks and prevent westerly
winds from reaching Europe.
Most of the gas cascades
back onto the sun, but a small fraction may escape into the outer atmosphere to feed the
solar wind — a steady stream of particles that blows far into space.
The «not in my
back yard» opposition to renewable energy systems is still a reality, the researchers said, and there are still some environmental concerns about virtually any form of energy, whether it's birds killed by
wind turbine rotors, fish losses in hydroelectric dams or chemical contaminants from use of
solar energy.
Zank's models show that if we were to plow into a cloud a mere 100 times denser, the leading edge of the heliosphere would begin forming an incredibly large wall, one too heavy for the
solar wind to hold
back.
The renewables milestone comes amid actions by the Trump administration to turn
back federal climate policies intended to cut greenhouse gas emissions by embracing
wind,
solar and other renewable energy.
These cuts would scale
back federal efforts to foster the development of
wind and
solar energy, in line with President Donald Trump's campaign promise to bring
back coal industry jobs.
When the
solar wind carries CMEs and other powerful bursts of radiation into a planet's magnetic field, it can cause the magnetic field on the
back side to press together, a process known as magnetic reconnection.
The comet appears to have undergone visible changes, including the changes in the size and number of surface features such as smooth patches, pits, and craters, and the loss of ice vaporized by the Sun or blasted off its surface by the
Solar Wind into its tail as well as failing
back on the object like snow, so that it appears to shrink, on average, by 25 to 50 centimeters (9.2 to 19.7 inches) with each orbit around the Sun.
Hale says that their model of Charon / Pluto interaction is valuable because it helps us look
back in time at the chemicals present when our
Solar System was formed, as Pluto hasn't had its atmosphere blasted away by either the extreme heat of the Sun or its solar
Solar System was formed, as Pluto hasn't had its atmosphere blasted away by either the extreme heat of the Sun or its
solar solar wind.
Overcome crowded mobs, virus androids, gigantic bosses and solve a series of puzzles to get you
back where you belong; at peace and partying the night away on the Songbringer as you sail the
solar winds of the galaxy with your friends.
Good
solar wind data only goes
back to November 1994 otherwise I would go
back earlier to the 1980's when the so called «manmade global warming» started.
And that's why, in my State of the Union address
back in January, I called for a new Clean Energy Standard for America: By 2035, 80 percent of our electricity needs to come from a wide range of clean energy sources — renewables like
wind and
solar, efficient natural gas.
Wind turbines are huge structures, true, as are hydro or
solar or nuclear installations, but they pay
back the cost in CO2 of their own construction already very early in their useful life.
That's the full embodied energy in all the materials and construction equipment and trucks doing deliveries for the construction of the building, paid
back over the estimated 60 year life of the building, generated through self - produced
solar,
wind, and cooling from the sea, air or the ground via heat pump.
Since these electric devices can all be charged by large
solar and
wind arrays, there's no need for fossil fuels anywhere in the process (for example, the first such «
solar breeder» proposals for
solar panel factories powered by
solar panels date
back to 1978 or so.)
As we speak, old factories are reopening to produce
wind turbines, people are going
back to work installing energy - efficient windows, and small businesses are making
solar panels.
Whole communities are coming
back to life in the midwest to support
wind and
solar energy projects.
The introduction of legislation to reduce the use of our resources and the steep rise in energy prices (
wind and
solar in need of conventional sources for
back - up will double or even triple the electricity price compared to coal) will undermine our economies further.
For example, it
backs rapid growth in the use of non-hydro renewables, such as
wind and
solar.
At the same time, state regulators have had utility companies build natural gas power plants to provide reliable power and
back - up power to the
wind and
solar units.
With our Renewable Rewards buy -
back program, you can maximize the return on your investment in distributed generation like
solar or
wind energy systems by receiving credit for any excess energy your system exports to the grid.
They set in motion the ability for people who had
solar collectors or
wind generators to run their meter backwards and put their locally made electricity
back into the grid and get paid for it.
The collapse triggered a revamp of the entire RET scheme in February and prompted Climate Change Minister Greg Combet to
wind back the
solar credits program earlier this month.
California, in particular, is saying «no» to new gas - fired plants and even considering closing existing gas plants despite their ability to supply reliable power at low cost and
back - up intermittent
wind and
solar plants.
The EU's unilateral climate policy is absurd: first consumers are forced to pay ever increasing subsidies for costly
wind and
solar energy; secondly they are asked to subsidise nuclear energy too; then, thirdly, they are forced to pay increasingly uneconomic coal and gas plants to
back up power needed by intermittent
wind and
solar energy; fourthly, consumers are additionally hit by multi-billion subsidies that become necessary to upgrade the national grids; fifthly, the cost of power is made even more expensive by adding a unilateral Emissions Trading Scheme.
The cause is due to excessive demand for power (and other resources) created by massive over-population and the rate of population growth continues to expand exponentially as we sit and pat ourselves on the
back for building
wind and
solar farms all over our best agricultural land, thus removing the vital source of the food we so urgently need to feed the bourgeoning population.
RenewEconomy While the large - scale
solar market continues to wow, a new report has forecast a near doubling of the world's installed
wind power capacity in the next five years, citing new policy pushes in China and India — and a «roaring
back» to form from Australia.
Not even the most enthusiastic advocates of renewables
back then (and I'm one of them) could have imagined the spectacular growth of
wind and
solar we see today.
British buildings equipped with
solar panels, mini
wind turbines and other renewable energy sources could generate as much electricity a year as five nuclear power stations, a government -
backed industry report has shown.
Like rollover minutes on a cell phone, net - energy metering allows customers to offset their electricity bills with clean energy — such as
solar or
wind power, for example — and to receive bill credits for extra energy sent
back to the utility.
If fossil and nuclear technologies are not acceptable as
back - up due to Germany's phasing out of nuclear power and its plan to decarbonize its electric sector, the only consideration left to a 100 percent renewable system is to adapt to the intermittency of
wind and
solar power and accept periods of darkness when the energy is not available.
In a further blow, the looming UK referendum on EU membership is creating uncertainty for investors, while the Tory government has reined
back sharply on support for renewables such as onshore
wind and
solar power, claiming cost reasons.
Then there is NOTHING left to provide that 100 %
back - up that is ABSOLUTELY ESSENTIAL with
wind and
solar.
It is worth noting that much of that $ 50 billion was spent acquiring
wind and
solar generation and its associated spending on transmission, plus gas plants (to
back them because the power is intermittent), and distribution assets to hook them into the grid or embed them with the local distribution companies.
Wind and
solar have severe limitations because they require 100 percent
back up from conventional sources.
Community energy projects exist in many forms right across Europe — from
solar villages in Spain, to co-operative
wind farms in Belgium, and community energy saving schemes in the Czech Republic — but they need more political attention and
backing to fulfil their potential.