Welcome to the X-ray Astronomy MCQs with Answers. In this post, we are sharing X-ray Astronomy Multiple Choice Questions and Answers in Astronomy section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding X-ray Astronomy online MCQs Test.
What type of radiation is primarily studied in X-ray astronomy?
a) X-rays
b) Gamma rays
c) Radio waves
d) Infrared rays
Which space observatory is known for its observations in the X-ray spectrum?
a) Chandra X-ray Observatory
b) Hubble Space Telescope
c) Spitzer Space Telescope
d) James Webb Space Telescope
What celestial objects are primary sources of X-rays in the universe?
a) Black holes and neutron stars
b) Comets and asteroids
c) Red giants and white dwarfs
d) Planetary nebulae and supernova remnants
Which phenomenon is commonly associated with X-ray emissions?
a) Accretion disks around black holes
b) Solar eclipses
c) Planetary alignments
d) Cometary tails
What is the primary challenge of observing X-rays from Earth?
a) Atmosphere absorption
b) Light pollution
c) Radio interference
d) Telescope resolution
What type of telescope is used to detect X-rays from space?
a) X-ray telescope
b) Optical telescope
c) Radio telescope
d) Infrared telescope
Which space mission was specifically designed to study X-ray emissions from space?
a) Chandra X-ray Observatory
b) Hubble Space Telescope
c) Voyager
d) Kepler
What is the primary source of X-ray emissions from binary star systems?
a) Accretion of matter onto a neutron star or black hole
b) Solar flares
c) Planetary atmospheres
d) Asteroid collisions
Which of the following is a key discovery of X-ray astronomy?
a) The existence of black holes
b) The presence of dark matter
c) The formation of planetary rings
d) The detection of cosmic microwave background
Which type of astronomical object is often observed in X-rays due to its extremely high temperatures?
a) Supernova remnants
b) Red giants
c) Main sequence stars
d) Brown dwarfs
What is a common feature of X-ray binaries?
a) A neutron star or black hole accreting matter from a companion star
b) A pair of red giants
c) A binary system of white dwarfs
d) Two pulsars in orbit
Which of the following telescopes is NOT an X-ray observatory?
a) Chandra
b) Swift
c) Hubble
d) XMM-Newton
What kind of celestial events are X-ray bursts associated with?
a) Neutron star collisions
b) Solar flares
c) Cometary impacts
d) Planetary alignments
Which galaxy is known for its strong X-ray emissions from its central black hole?
a) M87
b) Andromeda
c) Milky Way
d) Triangulum
What type of stellar object often produces X-ray emissions during its end stages?
a) Supernovae
b) Main sequence stars
c) Red giants
d) Brown dwarfs
Which of the following is an example of a high-energy X-ray source?
a) Pulsar
b) Red giant
c) White dwarf
d) Main sequence star
What does the acronym “NASA” stand for in the context of space missions like the Chandra X-ray Observatory?
a) National Aeronautics and Space Administration
b) National Association of Space Astronomy
c) New Astronomical Space Agency
d) National Agency for Space Analysis
Which celestial object is known to emit X-rays due to its extremely high temperature and intense gravitational field?
a) Black hole
b) Red giant
c) Brown dwarf
d) Main sequence star
Which type of X-ray source can be found in the remnants of exploded supernovae?
a) Pulsars
b) Brown dwarfs
c) Red giants
d) Main sequence stars
What is one of the main goals of X-ray astronomy?
a) To study high-energy processes and cosmic phenomena
b) To map planetary surfaces
c) To measure stellar temperatures
d) To detect gravitational waves
Which observatory is known for its X-ray observations of the universe, particularly in the high-energy spectrum?
a) XMM-Newton
b) Hubble
c) Spitzer
d) Kepler
What type of radiation does the ROSAT mission primarily detect?
a) X-rays
b) Gamma rays
c) Radio waves
d) Optical light
Which of the following X-ray sources is found in the cores of active galaxies?
a) Active galactic nuclei
b) Red giants
c) White dwarfs
d) Brown dwarfs
What astronomical feature does the term “X-ray binary” refer to?
a) A binary star system with one component being a neutron star or black hole
b) A pair of main sequence stars
c) Two white dwarfs in a close orbit
d) A red giant and a brown dwarf
Which of the following missions provided important data about cosmic X-ray sources and the structure of the universe?
a) Chandra
b) Voyager
c) Cassini
d) Kepler
What aspect of X-ray astronomy helps in studying the structure of accretion disks?
a) High-energy emissions
b) Low-energy emissions
c) Optical observations
d) Radio signals
Which type of celestial event is most likely to produce X-rays detectable by space observatories?
a) Supernova explosion
b) Solar eclipse
c) Cometary dust
d) Planetary alignment
What kind of objects are studied with X-ray telescopes to understand their extreme environments?
a) Neutron stars and black holes
b) Main sequence stars
c) Red giants
d) Brown dwarfs
Which mission was launched to explore cosmic X-ray sources and their environments?
a) Chandra X-ray Observatory
b) Spitzer Space Telescope
c) Hubble Space Telescope
d) James Webb Space Telescope
What type of X-ray source is created by matter falling into a black hole?
a) Accretion disk
b) Neutron star
c) Red giant
d) Brown dwarf
Which X-ray observatory mission was launched to observe high-energy celestial phenomena?
a) ROSAT
b) Kepler
c) Cassini
d) Galileo
What type of energy is emitted by celestial objects studied in X-ray astronomy?
a) High-energy photons
b) Low-energy photons
c) Electrons
d) Neutrons
Which of the following telescopes is dedicated to studying X-ray sources in space?
a) X-ray Multi-Mirror Mission (XMM-Newton)
b) Spitzer Space Telescope
c) Hubble Space Telescope
d) Very Large Telescope
What is the primary purpose of the Swift satellite in the context of X-ray astronomy?
a) To detect and study gamma-ray bursts and X-ray sources
b) To observe exoplanets
c) To map planetary surfaces
d) To measure cosmic microwave background
Which object is known to emit X-rays as it accretes matter from a companion star in a binary system?
a) Neutron star
b) Red giant
c) Main sequence star
d) Brown dwarf
What astronomical tool is essential for observing high-energy X-rays from space?
a) X-ray telescope
b) Optical telescope
c) Radio telescope
d) Infrared telescope
Which phenomenon can produce X-ray emission due to the interaction of high-energy particles with a magnetic field?
a) Pulsars
b) Red giants
c) Brown dwarfs
d) Comets
Which mission provided significant data on X-ray sources in the universe?
a) Chandra
b) Voyager
c) Cassini
d) Galileo
What kind of celestial object is often studied using X-ray astronomy to understand its high-energy environment?
a) Black holes
b) Comets
c) Asteroids
d) Gas giants
If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.
