Examlex
Only low mass stars experience the temporary instability of the helium flash; high mass stars go directly into heavier element formation.
Cancer
A broad group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against attacks by "foreign" invaders such as bacteria, viruses, and other pathogens.
Malaria
A life-threatening disease transmitted by mosquitoes, characterized by fever, chills, and anemia.
Viral Fever
A fever caused by underlying viral infections.
Q3: In the H- R diagram, what are
Q4: A unique characteristic of type O stars
Q14: Massive stars form cores of before exploding
Q15: The two stellar populations are extremes, but,
Q62: When mass is accreted into a black
Q82: In its _ stage, the new protostar's
Q86: All neutron stars seen from Earth are
Q117: If a white dwarf gains enough mass
Q142: Type I supernovae result from white dwarf
Q146: The Tully- Fisher relation uses the rotational