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 : Consider the following statements: 1. The atmosphere of the primitive earth was reducing 2. The primary source of energy for the chemosynthetic reactions on earth that led to the origin of life was the solar energy 3. Liquid water did not ... 1 and 2 (b) 1 and 4 (c) 1, 2, and 3 (d) 1, 3, and 4
Last Answer : Ans:(d)
Description : Primary cosmic rays are composed largely of very fast-----? A. Protons (Answer) B. Neutrons C. Electrons D. Gamma rays
Last Answer : A. Protons (Answer)
Description : The nature of light waves is similar to (a) Cosmic rays (b) Cathode rays (c) Alpha rays (d) Gamma rays
Description : Why do the members of the Fantastic Four have different powers if they were all exposed to the same cosmic rays?
Last Answer : That’s the Nature part of Nature vs. Nurture.
Description : Who Discovered Cosmic Rays ?
Last Answer : Rutherford discovers cosmic rays.
Description : Cosmic rays are coming from
Last Answer : Interstellar space
Description : Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays
Last Answer : (1) oxygen and ultraviolet rays Explanation: Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into ... (atomic oxygen). The atomic oxygen then combines with unbroken O2 to create ozone (O3).
Description : The Ozone layer protects us from: (1) Cosmic rays (2) Ultra-Violet rays (3) Visible rays (4) Infrared rays
Last Answer : (2) Ultra-Violet rays Explanation: The ozone layer refers to a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UN) radiation. It absorbs 97- 99% of the Sun's ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms near the surface.
Description : It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse
Last Answer : (2) Ultraviolet radiations from Sun burn our retina Explanation: The solar radiation that reaches the surface of Earth ranges from ultraviolet (UV) radiation at wavelengths longer than 290 nm to radio ... of the Sun during an eclipse is for the development of "eclipse blindness" or retinal burns.
Description : Meson particles are found in- (1) R-rays (2) X-rays (3) Laser beam (4) Cosmic rays
Last Answer : (4) Cosmic rays Explanation: Meson, any member of a family of subatomic particles composed of a quark and an antiquark. Mesons are sensitive to the strong force, the fundamental interaction that binds the components of the nucleus by governing the behavior of their constituent quarks.
Description : Where are mesons found? (1) Cosmic rays (2) X-rays (3) Gamma rays (4) Laser beam
Last Answer : (1) Cosmic rays Explanation: Mesons are not produced by radioactive decay, but appear in nature only as short-lived products of very high-energy interactions in matter, between particles made ... subatomic particles composed of one quark and one anti-quark, bound together by the strong interaction.
Description : Energy of Ultraviolet rays is great than (1) Infra-red rays (2) Gamma rays (3) X-rays (4) Cosmic rays
Last Answer : (1) Infra-red rays Explanation: The electromagnetic spectrum is the name we use when we talk about different types of radiation as a group. The parts of the electromagnetic spectmm, arranged from highest energy ... mass that move in a wave pattern, all at the same speed - the speed of light.
Description : Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays
Last Answer : (3) Infra red Explanation: Glass transmits visible light but blocks infrared thermal radiation from escaping. This amplifies the heat trapping effect. A solar cooker, or solar oven, is a device which ... The vast majority of the solar cookers presently in use are relatively cheap, low-tech devices.
Description : Which of the following rays has the least wavelength? (A) Ultraviolet rays (B) Infrared rays (C) Cosmic rays (D) X-rays
Last Answer : (C) Cosmic rays
Description : It is believed that carbon-14 in nature is slowly generated by the action of: w) protons on carbon-12 x) electrons on hydrogen y) cosmic rays on boron z) neutrons on nitrogen
Last Answer : ANSWER: Z -- NEUTRONS ON NITROGEN
Last Answer : Ultra-Violet rays
Description : It is dangerous to observe Solar eclipse with naked eyes because (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse
Last Answer : Ultraviolet radiations from Sun burn our retina
Description : Energy of Ultraviolet rays is great than (1) Infra–red rays (2) Gamma rays (3) X–rays (4) Cosmic rays
Last Answer : Infra–red rays
Description : Where are mesons found ? (1) Cosmic rays (2) X-rays (3) Gamma rays (4) Laser beam
Last Answer : Cosmic rays
Description : Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays
Last Answer : Infra red
Last Answer : oxygen and ultraviolet rays
Description : When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star
Last Answer : B. White Dwarf (Answer)
Description : Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : (3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radiowaves and other electromagnetic radiation at the rate of upto one thousand pulses per second.
Description : Pulsars are – (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : (3) rapidly spinning stars Explanation: The word "pulsar" is a contraction of "pulsating star. A pulsar is formed when a massive star collapses exhausts its supply of fuel. It blasts out ... an object composed primarily of neutrons packed so tightly that they no longer exist as normal matter.
Last Answer : (3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radio waves and other electromagnetic radiation at the rate of upto one thousand pulses per second.
Description : Which of the following are used for accurately measuring very small time intervals? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs
Last Answer : (3) Atomic clocks Explanation: An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of ... the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.
Description : Which of the following are used for accurately measuring very small time intervals ? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs
Last Answer : Atomic clocks
Description : Pulsars are (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : rapidly spinning stars
Description : Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the (A) ... chamber (B) Risk of explosion (C) Chances of clinker formation (D) Incomplete combustion of coal
Last Answer : (B) Risk of explosion
Description : These two chemical elements, named after two world-renowned scientists, were first formed in a thermonuclear explosion which occurred in the South Pacific in 1952. The atomic numbers of these elements are 99 and 100. Their chemical symbols are Es and Fm. Name these elements.
Last Answer : ANSWER: EINSTEINIUM AND FERMIUM
Description : You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star. A. Wolf-Rayet star (Answer) B. Red supergiant C. Stellar storm D. Pulsar
Last Answer : A. Wolf-Rayet star (Answer)
Description : What is a supernova?
Last Answer : A supernova is a powerful explosion that occurs at the end of the life of a massive star, releasing a huge amount of energy and producing heavy elements that are dispersed into space.
Last Answer : A supernova is a powerful and luminous explosion that occurs when a star runs out of fuel and collapses, releasing a tremendous amount of energy and ejecting its outer layers into space.
Last Answer : A supernova is a powerful and luminous explosion that occurs when a star has exhausted its fuel and undergoes a catastrophic collapse or explosion, releasing a tremendous amount of energy and creating new elements.
Last Answer : A supernova is a powerful and luminous explosion that occurs when a star runs out of fuel and its core collapses, producing a shock wave that ejects most of the star's material into space.
Description : What is supernova ? (1) A black hole (2) A dying star (3) An asteroid (4) A comet
Last Answer : A dying star
Description : Can a supernova remnant have a habitable zone?
Last Answer : A habitable zone planet is defined as a planet within a proscribed distance from a star, not too close, not too far. Since the remnants of a supernova explosion means there isn't a functioning ... And, any planetary matter would probably be destroyed by the supernova explosion. So short answer, no.
Description : Which came first, the Quantum Singularity or the Supernova?
Last Answer : While a supernova can produce a black hole, which contains a singularity, a quantum singularity is merely a hypothesis at best. See this for an discussion about a quantum singularity.
Description : What do bacteria and supernova explosions have in common?
Last Answer : It would be even more interesting to do a similar analysis on each one of us and find out what cosmic event we were “related” to. Thus making us true “Children of the Stars”. A sort of legitimate astrology.
Description : Galactic fireworks - How would the people in the world react if there was a naked-eye visible supernova similar to the ones in the years 1604 and 1054?
Last Answer : they would freak out. or stare at it.
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 is a SuperNova ? -Technology
Last Answer : Massive stars burn huge amounts of nuclear fuel at their cores, or centers. This produces tons of energy, so the center gets very hot. Heat generates pressure, and the pressure created by a ... helps you :) For more information visit the Source, https://spacecenter.org/what-is-a-supernova/
Description : What material is sent into space by a supernova?
Last Answer : Need answer
Description : How big can supernova be?
Last Answer : We do not know exactly. They are various types of supernovaexplosion (distinguished from Earth's point of observation)characterised by the time/shape of the light profile and thespectra of the light ... when stars were much, muchbigger than they can be now they may have exploded in differentways.
Description : Do the Adidas Supernova sunglasses have UV coating?
Last Answer : These glasses are the favorite of U.S. Olympic runner Jeremy Wariner. One of the good things about using these glasses is that they have a 100% UV coating on the lenses.
Description : What is a supernova and a hypernova?
Last Answer : See related questions
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 : What is “supernova”
Last Answer : Meteor