Examlex
Pulsars cannot be spinning white dwarfs because
Southern Hemisphere
The half of Earth that lies south of the equator, known for having opposite seasons to the Northern Hemisphere.
World Bank
An international financial institution that provides loans and grants to the governments of poorer countries for the purpose of pursuing capital projects.
Upper Middle-Income
A classification of economies with gross national income per capita between the limits set by the World Bank or other defining bodies, indicating a relatively higher but not the highest income level.
Low-Income
Refers to individuals or families whose earning is below a certain threshold defined by national statistics, often leading to reduced access to goods and services.
Q4: Whether the Universe is open, closed or
Q12: The above (enhanced) visual wavelength image indicates
Q88: Opacity is<br>A)the balance between the pressure and
Q95: Protoplanets<br>A)grew in size primarily by accretion.<br>B)grew in
Q98: All _ galaxies are spiral galaxies that
Q102: The energy source at the center of
Q111: Poor clusters<br>A)contain more than 1000 stars and
Q124: If Galaxy A is found to have
Q132: If a quasar has a redshift of
Q138: Soon after discovery, it was observed that