The sun is made up of 999% of ________________ and ______________
(A) Oxygen and Hydrogen
(B) Hydrogen and Sulfur
(C) Carbon and Silicon
(D) Hydrogen and Helium
Antares is of the largest known ___________
(A) Quasars Star
(B) Pulsars Star
(C) White Dwarfs Star
(D) Red Super-giants Star
This in_between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star
(A) Alpha Stage
(B) Stellar Genesis
(C) Protostar
(D) Star of Adam
Particle clouds from where stars are formed are known as____________
(A) Stellar nurseries
(B) Star clouds
(C) Event horizons
(D) Singularities
PSR J0108_1431 is the closest known ______________ to Earth
(A) Black hole
(B) Red giant
(C) Quasar
(D) Pulsar
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
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
(B) Red supergiant
(C) Stellar storm
(D) Pulsar
In a typical H_R diagram, stars are graphed by these two characteristics:
(A) Temperature and luminosity
(B) Luminosity and distance
(C) Distance and temperature
(D) Size and distance
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
(C) A gravitational pull which attracts high energy dust particles
(D) Enough energy to power itself indefinitely
What sub_class of neutron star is known for its extremely high magnetic field
(A) Magnetar
(B) Quasar
(C) Magneto
(D) Magnetta