41 based on the protostar tracks on the diagram, which statement must be true about the sun?

True Statements? Decide whether each of the following statements is true or false and clearly explain how you know. Two stars that look very different must be made of different kinds of elements. Sirius is the brightest star in the night sky, but if we moved it 10 times farther away it would look only one-tenth as bright.

The following figures show various stages during the life of a star with the same mass as the Sun. Rank the stages based on when they occur, from first to last. Contracting cloud of gas and dust protostar main sequence g star red giant planetary nebula white dwarf Contracting cloud of gas and dust protostar […]

(d) All of the above are true. 37. What happens to the gravitational energy of gas as it falls toward and eventually hits the accretion disk surrounding a protostar? (a) It is converted into thermal energy, heating the disk. (b) It is converted into light energy, giving o↵a ﬂash of light upon impact.

Based on the protostar tracks on the diagram, which statement must be true about the sun?

2) Which of the following statements about apparent and absolute magnitudes is true? A) The magnitude system that we use now is based on a system used by the ancient Greeks over 2,000 years ago that classified stars by how bright they appeared. B) A star with apparent magnitude 1 is brighter than one with apparent magnitude 2.

The light radiated from the Sun's surface reaches Earth in about 8 minutes, but the energy of that light was released by fusion in the solar core about. a million years ago. Suppose you put two protons near each other. Because of the electromagnetic force, the two protons will.

Based on the protostar tracks on the diagram, which statement must be true about the Sun? The Sun was much more luminous when it was a protostar than it is today. Suppose two protostars form at the same time, one with a mass of 0.5MSun and the other with a mass of 15MSun.

Based on the protostar tracks on the diagram, which statement must be true about the sun?.

By this point you should understand how to read the diagram. The remaining questions check to see whether you can extend this understanding to make inferences from the information shown on the diagram. Part D Based on the protostar tracks on the diagram, which statement must be true about the Sun? Hint 1.

Part F The life tracks shown on the diagram for different mass protostars are based on computer models. Observationally, how can astronomers test whether these models are correct? Hint 1. The role of star clusters in astronomy Star clusters are extremely useful to astronomers for two key reasons: 1. All the stars in a cluster lie at about the same distance from Earth.

The Hertzsprung-Russell diagram is one of the most important tools in the study of stellar evolution.Developed independently in the early 1900s by Ejnar Hertzsprung and Henry Norris Russell, it plots the temperature of stars against their luminosity (the theoretical HR diagram), or the colour of stars (or spectral type) against their absolute magnitude (the observational HR diagram, also known ...

This diagram represents the life track of a 1 solar mass star from its pre-main-sequence stages to just before its final death. Refer to the life stages labeled with roman numerals. During which stage does the star have an inert (non-burning) carbon core surrounded by shells of helium and hydrogen burning?

Decide whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly; not all these have definitive answers, so your explanation is more important than your chosen answer. The rotation of a protostar always speeds up with time because it is surrounded by a spinning disk.

The following figures show various stages during the life of a star with the same mass as the Sun. Rank the stages based on when they occur, from first to last. Contracting cloud of gas and dust protostar ... Star A must be more luminous than star B. ... An H-R diagram for a globular cluster will show a horizontal branch - a line of stars above ...

But we are interested in stars like sun, so we will discuss what happens to such stars after reaching equilibrium point. Such stars spend a time period of 10 9 − 10 10 years on the main sequence. This totally depend on the availability of fuels (molecules) inside the core.. When they are on the main sequence, hydrogen starts converting into helium.

In any star cluster, stars with lower masses greatly outnumber those with higher masses. true. There is no limit to the mass with which a star can be born. False. Stars with high masses live longer that stars with lower masses. False. Our sun will end its life in a planetary nebula and become a white dwarf. True.

This diagram represents the life track of a 1 solar mass star. Refer to the life stages labeled with roman numerals. ... The giant must once have been the more massive star, but is now less massive because it transferred some of its mass to its companion. ... Which of the following statements about brown dwarfs is not true?

Make a line plot superimposed on the H-R diagram that would trace the entire life cycle of our star, the Sun. Remember all of the stages of this main-sequence, low mass star. 4. What will be the final stage of evolution (black dwarf, neutron star, or black hole) for each of the following: (Hint: reread the text in Sections I, II, and III)

15. No, because at its greatest eastern elongation, the planet is at 46 degrees east of the sun, and sets before midnight. 16. No, the apparent solar time is based on the position of the sun in the local sky. The sun cannot set when the apparent solar time is noon. 17.

Astronomers may have discovered a planet in another galaxy

Imagine an advanced civilization living on a planet orbiting at a distance of 10 AU (1.5 billion kilometers) from a close binary star system that consists of a 15 MSun red giant star and a 10 MSunblack hole. The black hole is surrounded by an accretion disk. Sometime within the next milli….

Neutron star - wikipedia

An H-R diagram for a globular cluster will show a horizontal branch - a line of stars above the main-sequence but to the left of the subgiants and red giants. Which of the following statements about these horizontal branch stars is true? They generate energy through both hydrogen fusion and helium fusion. What is a planetary nebula?

Alma observations of the rotating outflows of the class 0 ...

Based on the protostar tracks on the diagram, which statement must be true about the Sun? The Sun was cooler and dimmer when it was a protostar than it is today Suppose two protostars form at the same time, one with a mass of 0.5MSun and the other with a mass of 15MSun.

Main sequence - wikipedia

The Sun's "evolutionary track" after departing the main sequence is shown, and numbers indicates locations along this track. Please refer to this diagram when responding to Questions 30 - 33. 30. As the Sun proceeds along the part of the track labeled 1, the Sun _____. a) must be shrinking its radius, while its surface temperature is ...

The life cycles of stars

Which statement about pulsars is NOT thought to be true? A. Pulsars are kept from collapsing by neutron degeneracy pressure. B. All pulsars are neutron stars, but not all neutron stars are pulsars. C. A pulsar must have a very strong magnetic field and rotate quite rapidly. D. Pulsars can form only in close binary systems.

The early life of stars

Based on the protostar tracks in the diagram, which statement must be true about the Sun? The Sun was much more luminous when it was a protostar than it is today Suppose two protostars form at the same time, one with a mass of 0.5 and other with a mass of 15.

The sun's evolution

This diagram represents the life track of a 1 solar mass star. Refer to the life stages labeled with roman numerals. During which stage does the star have an inert (non-burning) carbon core surrounded by shells of helium and hydrogen burning?

The early life of stars

Based on the protostar tracks on the diagram, which statement must be true about the Sun? The Sun was much more luminous when it was a protostar than it is today The life tracks shown on the diagram for different mass protostars are based on computer models.

Stellar life cycle | earth science

In astronomy, the main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.These color-magnitude plots are known as Hertzsprung-Russell diagrams after their co-developers, Ejnar Hertzsprung and Henry Norris Russell.Stars on this band are known as main-sequence stars or dwarf stars.These are the most numerous true stars in the ...