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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

Does the sun have any moons?

no its doesnt have any moons. because its to hot for it but they consider the planets to be the suns moons

Why does the earth heat unequally?

The Earth is heated unevenly by the tilt of the Earth's axis. Since the sun is so far away all of the sun's light rays reach the Earth in parallel waves of light. If not for the Earth's axis all these rays would reach the Earth at a 90 degree angle creating even heating, it is because of the axis that the sun's rays reach the Earth in different angles, and with different angles the light is more spaced out and therefore the light does not shine as intensely on one spot, but more spread out with less intensity.

Additionally, different surface materials heat up more quickly than others. Bare rock and soil tend to become hottest in the sunlight while vegetated areas and open water are cooler. Snow and ice reflect most of the sunlight that hits them and so they heat up the least. Finally, clouds can reflect sunlight back into space.

What are two ways of collecting solar energy?

Two ways of collecting solar energy are through photovoltaic panels, which convert sunlight directly into electricity, and through solar thermal systems, which convert sunlight into heat for heating water or air. Both technologies are renewable and environmentally friendly.

How does a solar oven work?

A solar oven uses sunlight to heat up food inside a box with reflective walls and a clear lid. The sunlight enters through the lid and is trapped as heat energy, which cooks the food at high temperatures, similar to a conventional oven. Solar ovens are environmentally friendly and can be used in areas where electricity or gas is limited.

What is the resistance that heats meteoroids called?

Air resistance, which is a type of friction.
That would be wind resistance. Meteoroids are space rocks currently falling through the atmosphere (meteors are in space and meteorites have already landed), so the air they rub up against would cause friction and heat.

What is the position of Mars?

The position of Mars in the solar system changes as it orbits the Sun. Currently, Mars is the fourth planet from the Sun, with Earth being the third closest planet. It is located between Earth and Jupiter.

Why does a bottle rocket fly?

The aerodynamic structure contributed by the speed, created by the engine allows the rocket to project in a direction, opposite to the gravitational pull. The wing-like structure at the bottom helps the rocket to remain in a parabolic path. Regardless of the weather, a rocket can fly in a steady path. This helps a rocket in flying out of the atmosphere of the earth and gravitational region.

Is a yellow star the hottest?

a white star is hotter then a yellow star because the yellow star is older then the white star and the white star is younger then the yellow star so0o0o it is the yello9w star that is yellow for excapall the sun is hotter then a white star. that's the real answer

What is the number of neutrons in one atom of carbon?

In Carbon-12, the most abundant form of Carbon, there are 6 Neutrons, 6 Protons and 6 Electrons.

In Carbon-14, the radioactive isotope of Carbon used in Carbon Dating, has 6 Protons, 8 Neutrons and 6 Electrons.

Why microorganisms hard to see in wet preparation?

In a wet mount the microorganisms are hard to see because they blend in with their surroundings or the liquid they are grown in. An example of this would be in a hay broth where the water is cloudy and the microorganisms are transparent. However, if the microorganisms are being viewed as a stained preparation they will stand out and you will be able to see their size and shape much easier.

Are there any other names for silver?

your mom and sister and father and your grandma and grandpa and uncle and aunt and sister in law and brother in law and random relatives and your friends and your dead friend bill and step mom and ted and your thunder buddy and your dj and your favorite artist and your favorite band and your favorite elevator and your favorite toy and mostly your just plain out wrong for reading this entire answer to your question that i did not answer for no apparent reason but ok but still most importantly your mom.

Abstract to how do clouds form?

Clouds form when water vapor in the air condenses into tiny water droplets or ice crystals. This happens when warm, moist air rises and cools, causing the water vapor to reach its dew point and form visible clouds. Various factors such as temperature, humidity, and air pressure influence the formation and appearance of clouds in the atmosphere.

Why do scientists classify animals and plants?

So they can determine the taxonomy of the species.

i.e. it's genetic heritage by evolutionary processes.

Originally it was simply used to tell the difference, as time went on it became necessary to group them into their apparent relationships to relevant species. As the theory of evolution was developed so did the level of taxonomy.

What month is the month Dec?

December is the twelfth month of the year.

What is the opposite of starboard?

Starboard is a nautical name for the right hand side of a boa,. port is the nautical name for the left hand side of the boat.

What planet is more than 2 billion miles from sun?

neptune is 2 billion miles from the sun neptune is 2 billion miles from the sun

Distances from the earth to the moon sun and the next nearest star?

The moon is 380,000 km (238,000 miles) from earth, the sun is 149 million km (93 million miles) away.The closest star is alpha cetauri (4.2 light years) It is a binary or double star which is orbited by a third star called proxima centauri. At some points in its orbit, proxima is the closest. The next closest is Barnard's star(5.9 light years)

What is concave mirror?

A concave mirror is a reflective surface that curves inward, like the interior of a bowl. It can reflect light to converge at a focal point in front of the mirror. Concave mirrors are commonly used in reflecting telescopes and makeup mirrors.

Why sun seems big in morning and evening?

This is a purely psychological phenomenon based on the mechanisms of human perception. When the sun is low, we compare it to ther objects on the earth, such as houses. And since the sun is much farther away ('on the horizon') than these houses, we intuitively scale it to be much larger. While the sun is high up in the sky, we do not see anything hear it to compare with, so it seems 'unenlarged' to the human perception. This 'enlargement' effect is not detected when measured with apparatus such as using photographs. --------------------------------------- remark: The earth's atmosphere does not cause this effect. In fact, shortly after sunrise and shortly before sunset, the refraction of the sun's light in the atmosphere reduces the vertical diameter of the sun, making it egg-shaped (elliptical) like an egg lying on its side. This effect makes the sun seem *smaller* in the vertical direction than usual (for some minutes after sunrise and before sunset), and therefore it does not explain the enlarged perception of the sun by humans.

What does a arachnologist do?

An arachnologist is a scientist who studies spiders and other arachnids. They may research their behavior, habitat, classification, evolutionary history, and interactions with the environment. Arachnologists also play a role in conservation efforts to protect arachnid species and their ecosystems.

Whose tagline is science for a better life?

Bayer's tagline is "Science for a better life." They are a multinational pharmaceutical and life sciences company focused on research, innovation, and creating products that contribute to improving people's lives and overall well-being.

How do you build a parabolic mirror?

A parabolic mirror is shaped such that parallel incident light is reflected to a point called the focus. You will have to establish the size required, and the shape. There is an entry in Wikipedia on Parabola, giving the algebra.

How are meteor showers named?

They're generally named for the constellation they appear to originate from. For example, the Leonids appear to radiate from a location in the constellation Leo, and the Perseids from a location in the constellation Perseus.

Why is the metric system important to us in the united states?

The metric system is important in the United States because it is the international standard for measurement, facilitating global communication and trade. It is also easier to use for scientific purposes and allows for simple conversions between units, making calculations more efficient. Additionally, adopting the metric system can improve consistency and reduce errors in various fields such as education, healthcare, and industry.