PSR J0108-1431 is the closest known ______________ to Earth?
PSR J0108-1431 is the closest known ______________ to Earth?
A. Black hole
B. Red giant
C. Quasar
D. Pulsar
PSR J0108-1431 is the closest known ______________ to Earth?
A. Black hole
B. Red giant
C. Quasar
D. Pulsar
A. Silicate group
B. Organic group
C. Oxide group
D. Hydride group
A. Geosynchronous
B. Semi synchronous
C. Geostationary
D. None of these
A. 40%
B. 45%
C. 50%
D. 60%
A. Sulphur dioxide
B. Carbon dioxide
C. Nitrogen dioxide
D. CFC’s