Sentences with phrase «when sun»

Stars behind the sun would appear in different positions with respect to each other during an eclipse than they would on an ordinary night when the sun is nowhere in sight.

Saving up excess solar and wind energy for times when the sun is down or the air is still requires a storage device.

When the sun expands and engulfs Earth, our planet's ashes will brighten the sun and spin it faster.

And if you then mention that moment when the sun expands and burns up the Earth, sure; in five billion years we've got a problem.

Late in the afternoon, when the sun is low, I stand on top of the mound, casting a 15 - foot shadow on the hulking machinery.

That would solve renewable energy's biggest challenge: storing energy when the sun isn't shining and the wind is still.

When this structure is stripped away, the remaining smoothed surface would be brighter than unaffected areas, especially when the sun's rays strike it at certain angles.

So instead of worrying about cranking up the air conditioner at home, think about what more you can do outdoors when the sun is out.

For a project called Eclipse Mob, Nelson and her colleagues will use volunteers around the United States to gather data on how the ionosphere responds when the sun is briefly blocked from the largest land area ever.

Like hurricanes in the Atlantic, solar flares have a season: the two - to - three - year period of the solar cycle when the sun is most active.

It was the equinox — one of two times in the Saturnian year when the sun illuminates the planet's enormous ring system edge - on.

Start worrying in a few million years about a cosmic dust collision, when the sun hits the closest spiral arm of our galaxy.

But when the sun ejects major blasts of particles in flares and solar storms, these belts overflow and send electrons streaming toward Earth along the looping lines of the magnetic field, which intersect the planet near the north and south poles.

Solar and wind power generate electricity only when the sun shines or the wind blows — a characteristic that's called «undependable» if you're an opponent of renewables, or «variable» if you're a supporter.

When the sun is active, chunks of its atmosphere break off and race through the solar system, crashing against Earth's magnetic field.

Here, perhaps technology can help ensure the lights and heating are not left on when the sun is blazing or no one is there to use them.

Except for during the brief window of totality (when the sun's surface is completely blacked - out), you shouldn't look directly at the sun during an eclipse without wearing proper, eclipse - specific eyewear.

So it was unlucky, then, that Sandy made landfall during a full moon — when the sun, moon and Earth align to produce the strongest gravitational effect on the tides.

The team found that the tuna initiated these «spike dives» when the sun was precisely 6 degrees below the horizon, 30 minutes before dawn and 30 minutes after sunset.

Many animals — including people — take it easy during the sweltering day and kick into action only when the sun goes down.

Solar flares occur when the sun's magnetic field — which creates the dark sunspots on the star's surface — twists up and reconnects, blasting energy outward and superheating the solar surface.

Fighting public opinion and technical glitches One of the challenges for cities that want to switch to renewable power is explaining to customers that when the sun doesn't shine and the wind doesn't blow, they'll still be able to turn on their lights.

What use is it to those homeowners, who have installed a modest solar panel system on their roofs, when the sun is heating the pavement in the middle of the day and no one at home to use the energy?

Even if they continue at the current rate, the moon would only have lost 30 per cent of its water by mass when the sun becomes a red giant in 6 billion years.

These are great room darkening curtains for anyone who wants a special effect in their room when the sun does come up.

A team led by Miloslav Druckmüller at the Brno University of Technology in the Czech Republic took multiple photographs of several recent solar eclipses, when the sun's atmosphere, or corona, was visible as a halo around the blacked - out sun.

When the sun is shining, just zip off a few of the sidewalls.

A half - length side wall provides additional shade when the sun starts to dip towards the horizon, too.

It is much easier to fall asleep when it gets dark and rise energized when the sun comes up.

«A diffuse green glow seems quite possible in the Mars sky, at least when the Sun is throwing off energetic particles,» says Schneider.

It can sit out in the rain and dries quickly when the sun comes back out without warping or changing its form.

Our arguments were successful, garnering several extensions and ensuring, for example, that we witnessed the rare illumination conditions of Saturn's equinox in August 2009, when the sun's shallow rays on Saturn's rings revealed the presence of vertical structures protruding above the ring plane that cast long, easily seen shadows.

Taking this latest meteorite research into account, Boss revisited his earlier models of shock wave - triggered cloud collapse, extending his computational models beyond the initial collapse and into the intermediate stages of star formation, when the Sun was first being created, an important next step in tying together Solar System origin modeling and meteorite sample analysis.

And when the sun is shining brightly, it protects your most delicate skin.

With the lenses in this kit, you can easily go from filming your children playing on the beach at sunset to capturing the moment when the sun goes below the horizon by quickly switching between these 2 lenses.

They didn't fix the roof when the sun was shining.

Wind farms shut down during storms or when the wind dies down, and solar quits when the sun goes down.

And political campaigns are based on taking a simple message and battering away at it (think: «fixing the roof when the sun is shining») until it's locked in the voter's shell - shocked brain.

«Even during the good times, when the sun was shining and the money was flowing, these reforms would have been huge.

He defended the decision to build schools and hospitals «when the sun was shining», joked that his local constituency newspaper was the only one to report him impartially and suggested Mr Blair's 700 - page memoirs were an employer's reference paper for a new job.

When the Sun was pursuing its prurient homophobic agenda, invading the private lives of anyone that opposed Thatcherism, what did Hague do to stop it?

The expressions are the precise opposite of phrases about David Cameron being «out of touch with ordinary people» or Labour «failing to mend the roof when the sun was shining».

The best time to fix the roof is when the sun shines.

«It means not spending again when borrowing falls, including using surpluses in good years to reduce debt — so in future, we fix the roof when the sun is shining,» Osborne explained.

We limit our time in the sun to an hour and try not to go out in the timeframe from just before to just after noon when the sun is at its highest.»

«The install is easy and fast, and the dream drape is the best feature when the sun is out.

it's daytime, and it's hard to wind down when the sun is beaming, no matter how bleary - eyed you are.

It's such an obvious accessory when the sun of shining, but it's not something I remember.

If you have a large calendar, your child can draw a sun on the calendar when the sun shines or rain drops when its raining.

Our kids ask us to put it in the front yard when the sun is out, or set it up in the living room when they are inside and want to get up and move.