Description : The mass of a star is two times the mass of the Sun. How it will come to an end? (1) Neutron Star (2) Black hole (3) White Dwarf (4) Red Giant
Last Answer : (1) Neutron Star Explanation: The mass of a star which is two times the mass of the sun turns into a neutron star. A neutron star is a type of stellar remnant that can ... entirely of neutrons, which are subatomic particles without electrical charge and with slightly larger mass than protons.
Description : The mass of a star is two times the mass of the Sun. How it will come to an end ? (1) Neutron Star (2) Black hole (3) White Dwarf (4) Red Giant
Last Answer : Neutron Star
Description : Is the sun a yellow star a neutron star white dwarf or red giant?
Last Answer : Let's see...the life sequence for a YELLOW DWARF star, like ourlittle G2, will see it become a red giant in a few billion years,probably consuming everything out to the orbit of Earth and notdoing any ... 4 billion years from now, so the yellowstar will still be there for a very long time to come.
Description : When a star becomes a singularity and has zero volume and infinite density, it is called--------? A. White dwarf B. Blue giant C. Wolf-Raynet star D. Black hole (Answer)
Last Answer : D. Black hole (Answer)
Description : Current stage of star ‘Sun’ is------? A. white dwarf B. red giant C. yellow dwarf (Answer) D. orange dwarf
Last Answer : C. yellow dwarf (Answer)
Description : A spinning neutron star is known as – (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : (3) Pulsar Explanation: Pulsars are spinning neutron stars that have jets of particles moving almost at the speed of light streaming out above their magnetic poles. These jets produce very powerful beams of light.
Description : A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : Pulsar
Description : Would an average mass main sequence star like our sun eventually become a neutron star black hole?
Last Answer : sup.
Description : What is supernova ? (1) A black hole (2) A dying star (3) An asteroid (4) A comet
Last Answer : A dying star
Description : What is a supernova What is a neutron star?
Last Answer : The name is a bit of a give away really. A neutron star is a lump of matter composed entirely of neutrons, thus containing a large mass (typically between 1.4 and 3.2 solar masses in a very small ... typically one teaspoon of neutron star (5 ml) would have a mass of about 5 and a half billion tons.
Description : Is the surface temperature of white dwarf Stars higher or lower than red super giant?
Last Answer : Yes dwarf has higher temperature
Description : PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)
Last Answer : D. Pulsar (Answer)
Description : What happens to the star at the end of the red giant phase?
Last Answer : What is the answer ?
Description : The term Blue Shift' is used to indicate? A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object? B. Turning a star from white ... . In future sun would become blue D. Black hole was blue at its start E. None of these
Last Answer : A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object?
Description : What is a neutron star which a Emits radiation that reaches the earth as radio waves and flashes of visible light?
Last Answer : pulsar
Description : About how long will it take for our Sun to turn into a black hole? -Space
Last Answer : In about 5 billion years, the Sun will start to run out of hydrogen in its core to fuse, and it will begin to collapse.
Description : Our sun is a w) protostar x) main-sequence star y) variable star z) dwarf star
Last Answer : ANSWER: X -- MAIN-SEQUENCE STAR
Description : “In 5 billion years, the Sun will run out of fuel and turn into a Red Giant and swallow the Earth!”
Last Answer : The Sun is a star, and like all stars, has a life cycle. Our sun is currently 4.5 billion years old, and is in the middle of its life. In about five billion years, the sun will have used up all ... time, the sun will be about 10 per cent hotter than it is now, and vaporise all the water on Earth.
Description : Pusa dwarf, Pusa Nanha and Pusa giant are naturally
Last Answer : Ans. Didecious (4) Pomegranate
Description : Light from the nearest star (other than the sun) reaches the earth in (a) 4.2 seconds (b) 42 seconds (c) 4.2 years (d) 42 years
Last Answer : Ans:(c)
Description : When our sun runs out of lifetime and collapses/explodes, will it transform into a Black Hole? -Space
Last Answer : The Sun would need to be about 20 times more massive to end its life as a black hole. Stars that are born this size or larger can explode into a supernova at the end of their lifetimes before ... a black hole, an object with a gravitational pull so strong that nothing, not even light, can escape.
Description : What is a White Dwarf Star ?
Last Answer : : When a star with a mass less than two solar masses begins to shrink , its energy is released. But it reaches such a stage or state that it throws out its outer covering. As a result, a lot of ... . It is now a Neva star and a new star. The remnants of this explosion are called white dwarf stars.
Description : How long does a star stay a white dwarf?
Last Answer : Need answer
Description : How does a supernova completely destroy a star? -Space
Last Answer : A supernova does not completely destroy a star. Supernovae are the most violent explosions in the universe. But they do not explode like a bomb explodes, blowing away every bit of the original bomb. ... from blowing them apart. It is the gravitational rebound that blows apart a star in a supernova.
Description : What neutron star is smaller than white dwarfs are thought to be remnants of .?
Last Answer : A neutron star is the remnant of a star, which - at the end ofits life, and AFTER possibly losing a lot of mass (for instance, ina supernova explosion) has a remaining mass that is greater thanthe so-called Chandrasekhar limit.
Description : What sub-class of neutron star is known for its extremely high magnetic field? A. Magnetar (Answer) B. Quasar C. Magneto D. Magnetta
Last Answer : A. Magnetar (Answer)
Description : What would change if our Sun was suddenly replaced by a black hole of the same mass? -Space
Last Answer : Our Sun is too small a star to end its life as a black hole. But what would happen if the Sun were suddenly replaced with a black hole of the same mass? Contrary to popular belief, the Solar System would not be sucked in: a solar-mass black hole would exert no more gravitational pull than our Sun.
Description : How many times more massive than our Sun is the M87 black hole? -Space
Last Answer : 6.5 billion times Black hole at the centre of the massive galaxy M87, about 55 million light-years from Earth, as imaged by the Event Horizon Telescope (EHT). The black hole is 6.5 billion times more massive than the Sun.
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : Can a red dwarf live longer than a white dwarf?
Last Answer : possibly
Description : Which is the nearest star to our sun? A. Proxima Centurai (Answer) B. Alpha Scorpii C. Beta Orionis D. Vega
Last Answer : A. Proxima Centurai (Answer)
Description : There is no connection of supernova explosion with------? A. Cosmic rays B. Pulsars C. The formation of heavy elements D. Quasars (Answer)
Last Answer : D. Quasars (Answer)
Description : My Giant Sunflowers have this white foam and little black bugs on the flower. Help!
Last Answer : Sounds like bugs laying eggs....after the sun starts to go down, mix 1 teasp non-alcohol liquid soap w 1 qt water and spray............spray again after it rains.
Description : The sun has collapsed, or is about to collapse, into a black hole, all sunlight will be / is now gone, and you have to keep the planet alive. How do you go about it?
Last Answer : answer:Don’t bother. Move on, like our ancestors before us. All I need is an interstellar spaceship and a towel.
Description : What if the Sun turned into a black hole? -Space
Last Answer : If the sun were somehow compressed enough to become a black hole it would be less than 6 km ( well under 4 miles).It would exert no more gravitational force on earth or the other planets in the solar system than it does now
Description : White clothes are cooler than black ones because they – (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely
Last Answer : (2) reflect all the light that reaches them Explanation: The coolness and warmth associated with clothes is because of their reflective or absorptive capacities. White clothes are good reflectors of light, thereby keeping the body cool. The opposite is the case with black clothes.
Description : White clothes are cooler than black ones because they (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely
Last Answer : reflect all the light that reaches them
Description : What does the exclusion principle have to do with whether or not a star becomes a black hole? -Space
Last Answer : The Pauli exclusion principle just states how electrons normally behave, not how they behave in very extreme environments. An example of an extreme environment is inside a massive star that is collapsing. If the star ... our Sun's mass, once it starts to collapse it will end up as a black hole.
Description : 'Super nova' is – (1) a comet (2) an asteroid (3) an exploding Star (4) a black hole
Last Answer : (3) an exploding Star Explanation: A supernova is a stellar explosion that is more energetic than a nova. During this short interval a supernova can radiate as much energy as the Sun is expected to emit over its ... star's material at a velocity of up to 30,000 km/s (10% of the speed of light).
Description : ‘Super nova’ is (1) a comet (2) an asteroid (3) an exploding Star (4) a black hole
Last Answer : an exploding Star
Description : Antares is of the largest known ------? A. Quasars Star B. Pulsars Star C. White Dwarfs Star D. Red Super-giants Star (Answer)
Last Answer : D. Red Super-giants Star (Answer)
Description : Can life survive in a Brown Dwarf star?
Last Answer : Well, you're asking several different questions. Could life evolve on a brown dwarf star? Highly unlikely. Could someone survive if they crash landed on a brown dwarf star? Also unlikely as the gravity would be ... plasma or gas, and c) have a life support apparatus, then the answer is I guess so.
Description : Can a star be a brown dwarf?
Last Answer : Yes, a brown dwarf is a star that failed to ignite hydrogenfusion because it did not have enough mass for a strong enoughgravitational collapse.Brown dwarf stars glow dimly with residual heat for a very shorttime.
Description : How black hole has a vast attractive force? What is its density in comparison with Earth and Sun? -Space
Last Answer : There are two things that affect the escape velocity - the mass of object and the distance to the center of that object. For example, a rocket must accelerate to 11.2 km/s in order to escape Earth's gravity ... the mass of our sun would need to be squeezed into a volume with a radius of about 3 km.
Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Last Answer : (1) Pulsar Explanation: If the star is about the mass of the Sun or less than that, it will turn into White Dwarfs. If the star is bigger than the Sun but not more than twice as big, it will turn into a Neutron Star or Pulsar.
Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a __ (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Last Answer : (1) Pulsar Explanation: If the star is about the mass of the Sun or less than that, it will turn into White Dwarfs. If the star is bigger than the Sun but not more than twice as big, it will ... Pulsar. If the star is many times bigger than the Sun, it will turn into what is called a Black Hole.
Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a _______. (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Description : What is a neutron star?
Last Answer : A neutron star is a very dense object that is formed when a massive star undergoes a supernova and its core collapses, leaving behind a small, extremely dense remnant composed mainly of neutrons.
Description : The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?
Last Answer : C. Of diffraction leading to red end of the spectrum reaching the earth.
Description : The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules
Last Answer : ANSWER: D