A
Angie
Guest
pls, help me to solve this multiple questions,
1. while most neutron stars are also pulsar, an older "bare" neutron star was captured in rapid motion only 200 lightly years distant by:
a)THE CHANDRA X-RAY OBSERVATORY
B)ARECIBO RADIO OBSERVATORY
C)THE SPITZER INFRARED SPACE TELESCOPE
D)THE HUBBLE SPACE TELESCOPES
E) THE KECK TELESCOPES USED AS AN INTERFEROMETER
2. WHAT MAKES THE CRAB PULSAR SOMEWHAT UNUSUAL AMONG PULSAR IN GENERAL?
A)IT IS THE FASTEST PULSAR KNOWN
B)IT IS THE OLDEST PULSAR OBSERVEB
C)IT IS THE MOST INTENSE SOURCE OF X-RAYS IN THE SKY
D)ITS PERIOD IS NOT REGULAR LIKE OTHER PULSARS
E)IT IS RATHER BRIGHT AT VISIBLE WAVELENGHT
3.THREE-TERRESTRIAL PLANETARY SIZED MASSES HAVE BEEN DISCOVERED ORBITING:
A)A BLACK HOLE
B)A WHITE DWARF
C)A BROWN DWARF
D) A MILLISECOND PULSAR
E)THE SOLAR TYPE STAR TAU CETI
THANKS =)
1. while most neutron stars are also pulsar, an older "bare" neutron star was captured in rapid motion only 200 lightly years distant by:
a)THE CHANDRA X-RAY OBSERVATORY
B)ARECIBO RADIO OBSERVATORY
C)THE SPITZER INFRARED SPACE TELESCOPE
D)THE HUBBLE SPACE TELESCOPES
E) THE KECK TELESCOPES USED AS AN INTERFEROMETER
2. WHAT MAKES THE CRAB PULSAR SOMEWHAT UNUSUAL AMONG PULSAR IN GENERAL?
A)IT IS THE FASTEST PULSAR KNOWN
B)IT IS THE OLDEST PULSAR OBSERVEB
C)IT IS THE MOST INTENSE SOURCE OF X-RAYS IN THE SKY
D)ITS PERIOD IS NOT REGULAR LIKE OTHER PULSARS
E)IT IS RATHER BRIGHT AT VISIBLE WAVELENGHT
3.THREE-TERRESTRIAL PLANETARY SIZED MASSES HAVE BEEN DISCOVERED ORBITING:
A)A BLACK HOLE
B)A WHITE DWARF
C)A BROWN DWARF
D) A MILLISECOND PULSAR
E)THE SOLAR TYPE STAR TAU CETI
THANKS =)