Which of the following statements about the sun is true? The Sun orbits a nearby star called Alpha (2023)

FAQs

What statement about the Sun is true? ›

The Sun is the source of almost all energy on Earth. In fact, the Sun is the main source of heat and light for all the planets in the Solar-system.

The sky from Alpha Centauri AB would appear much as it does from the Earth, except that Centaurus would be missing its brightest star. The Sun would appear as a white star of apparent magnitude +0.5, roughly the same as the average brightness of Betelgeuse from Earth.

Since the Sun is not solid, different parts rotate at different rates. At the equator, the Sun spins around once about every 25 Earth days, but at its poles, the Sun rotates once on its axis every 36 Earth days.

Yes, the Sun - in fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr. But even at that high rate, it still takes us about 230 million years to make one complete orbit around the Milky Way!

The sun lies at the heart of the solar system, where it is by far the largest object. It holds 99.8% of the solar system's mass and is roughly 109 times the diameter of the Earth — about one million Earths could fit inside the sun.

Yes. Sun is a star. Around the sun earth and other planets revolving.

Of the three stars in the system, the dimmest - called Proxima Centauri - is actually the nearest star to the Sun. The two bright stars, called Alpha Centauri A and B form a close binary system; they are separated by only 23 times the Earth - Sun distance.

From Proxima Centauri, the Sun would appear as a bright 0.4-magnitude star in the constellation Cassiopeia, similar to that of Achernar or Procyon from Earth.

Proxima currently holds the title of the nearest star to Earth, although AB is a very close second. The Chandra data reveal that the prospects for life in terms of current X-ray bombardment are actually better around Alpha Cen A than for the Sun, and Alpha Cen B fares only slightly worse.

The Sun rotates on its axis once in about 27 days. This rotation was first detected by observing the motion of sunspots. The Sun's rotation axis is tilted by about 7.25 degrees from the axis of the Earth's orbit so we see more of the Sun's north pole in September of each year and more of its south pole in March.

Is it true that the Earth rotates on a tilted axis and revolves around the Sun? ›

The Earth rotates on its axis relative to the sun every 24.0 hours mean solar time, with an inclination of 23.45 degrees from the plane of its orbit around the sun.

Not only does the Sun revolve on its axis but, being a big ball of gas, it is fluid and consequently revolves at different speeds in different places. It takes 25.4 (Earth) days to rotate at its equator but an even more leisurely 35 (Earth) days to rotate near its poles.

The rotation of the Sun is due to conservation of angular moment. What this means is that the gas cloud from which the Sun formed had some residual angular momentum that was passed-on to the Sun when it formed, which gives the Sun the rotation that we observe today.

Earth's Revolution. In addition to rotating on its axis, the Earth also travels around the sun in a path called an orbit. The motion around the sun along its orbit is called a revolution. The amount of time it takes for a single trip around the sun is called a period of revolution.

The sun's counterclockwise rotation and the counterclockwise rotation of the entire solar system (except two planets) is a result of its formation around 4.5 billion years ago.

Compared with the billions of other stars in the universe, the sun is unremarkable. But for Earth and the other planets that revolve around it, the sun is a powerful center of attention. It holds the solar system together; provides life-giving light, heat, and energy to Earth; and generates space weather.

It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.

The Sun Is Also a Star is a 2019 American teen drama film directed by Ry Russo-Young and written by Tracy Oliver, based on the young adult novel of the same name by Nicola Yoon.

Who discovered that the Sun was a star? Many people's work was needed to prove that the Sun is a star. The first person we know of to suggest that the Sun is a star up close (or, conversely, that stars are Suns far away) was Anaxagoras, around 450 BC.

What is the real star like our Sun? ›

The closest star to us is actually our very own Sun at 93,000,000 miles (150,000,000 km). The next closest star is Proxima Centauri. It lies at a distance of about 4.3 light-years or about 25,300,000,000,000 miles (about 39,900,000,000,000 kilometers).

At a distance of just over four light-years, the three members of Alpha Centauri, including Proxima Centauri, are the nearest stars to Earth.

The simple answer is that the Sun is the closest star to Earth, about 93 million miles away. But that might not answer your question. Outside of our Sun, our system's nearest neighbor is Alpha Centauri. This isn't a single star, it's actually a triple-star system — three stars bound together by gravity.

The Sun is a star. There are lots of stars in the universe, but the Sun is the closest one to Earth, and it's the only one in our solar system.

The nearest star to our sun is Proxima Centauri, at a distance of 4.3 light-years from the sun.

Alpha Centauri, also called Rigil Kentaurus, triple star system, the faintest component of which, Proxima Centauri, is the closest star to the Sun, about 4.2 light-years distant.

4.367 light years

Alpha Centauri / Distance to Earth

Rigil Kentaurus, also known as Alpha Centauri A, is a yellowish star, slightly more massive than the sun and about 1.5 times brighter. Toliman, or Alpha Centauri B, has an orangish hue; it's a bit less massive and half as bright as the sun.

Do all stars rotate on their axis? ›

Consider that fiery ball in the sky, the sun. Like all stars, our sun rotates on its axis.

But next time someone asks you for a crazy space fact you'll know: Jupiter is so massive, it doesn't orbit the sun.

In 1543, Nicolaus Copernicus detailed his radical theory of the Universe in which the Earth, along with the other planets, rotated around the Sun. His theory took more than a century to become widely accepted.

Basically, we would not have any seasons. Earth would be warm at the equator and cold at the poles. The poles would still experience the most impact because the sun would always be low on the horizon.

All the planets in our Solar System do have such a tilt, with the exception of Mercury. Uranus for example has a 98 degree tilt, compared to Earth, which has a tilt of 23.5 degrees.

Sun is center of the solar system and planets revolve around it.

How does the sun rotate? It rotates faster on it equator then on higher latitudes. The type of rotation is differential rotation, it the rotation of a body in which different parts of the body have different periods of rotation.

The Sun spins or rotates on its axis in the same direction as Earth (counterclockwise, when looking down from the north pole). Because it is a gas, it does not rotate like a solid.

Answer: The solar system consists of the Sun, eight planets, satellites and other celestial bodies known as asteroids and meteoroids. We often call it a solar family, with the Sun as its head.

There would be no world if lights were not there, as light provides us with the ability to see things. Plants also need light which is provided by the Sun in the form of sunlight through which many processes in nature take place, so we can say that the main source of light on earth is sunlight.

Is this statement true or false the Sun heats the air in our atmosphere? ›

The Earth's atmosphere is heated in by the transfer of energy from the Sun. Earth receives its energy from the Sun. The Sun's energy travels to Earth in the form of radiation.

The main source of almost all the energy on the earth is the sun. In fact, for all the planets, the sun is the main source of heat and light.

Detailed Solution. The statement "The sun, eight planets, satellites, Asteroids and Meteoroids form the solar system" is correct about solar system. The sun, eight planets, satellites and some other celestial bodies known as asteroids and meteoroids form the solar system.

We often call it a solar family, with the sun as its Head. The sun is in the centre of the solar system.

Answer: The sun shines above our head.

One of the most important sources of energy is the sun. The energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) cells.

The sun is called the ultimate source of energy because it is the source of almost all energies of the earth. Plants convert light energy from the sun into chemical energy (food) by the process of photosynthesis.

There is another reason for the cooling, directly related to the sun's magnetic field, which shields the Earth from harmful cosmic and galactic rays. In the absence of the shielding more rays reaching the Earth and forming high clouds in the atmosphere, it is leading to the cooling, according to Zarkhova.

The sun is made up of a blazing combination of gases. These gases are actually in the form of plasma. Plasma is a state of matter similar to gas, but with most of the particles ionized. This means the particles have an increased or reduced number of electrons.

It gets as hot as 27 million degrees Fahrenheit in the sun's core. The energy travels outward through a large area called the convective zone. Then it travels onward to the photosphere, where it emits heat, charged particles, and light.

Is the sun an artificial source of light True or false? ›

The Sun is a natural source of light. On the other hand, a candle, an electric torch and a tubelight are artificial sources of light.

The sun, like all stars, contains mostly hydrogen. It produces energy from nuclear fusion reactions where Hydrogen is converted to Helium. This fusion reaction occurring inside the sun produces a lot of energy in the form of heat and light.

The Sun is the biggest source of heat that is received by the earth. A large amount of heat is produced and generated due to the nuclear fusion that takes place at the core of the sun.