Examlex
During the Hayashi track, a star drops drastically in both ________ and ________.
Itchy Eyes
A common symptom involving an irritating sensation in the eyes that often leads to scratching or rubbing.
Common Cold
A viral infectious disease of the upper respiratory tract, characterized by symptoms such as sneezing, sore throat, and congestion, commonly caused by rhinoviruses.
Influenza
A highly contagious viral infection that affects the respiratory system, characterized by fever, cough, and muscle aches.
Allergy
An abnormal immune system response to certain substances, known as allergens, that are typically harmless to most people.
Q21: All neutron stars must begin as millisecond
Q25: Astronomers use roman numerals to indicate the
Q52: The luminosity of the Sun is a
Q62: Contrast a hypernova and a type II
Q67: The latest evidence from 2MASS suggests our
Q69: A reflection nebula is caused by:<br>A) starlight
Q71: What factors can complicate the collapse of
Q76: Can our Sun ever become a nova?
Q83: Hydrogen is the major gas in the
Q103: In our vicinity,the galactic disk is about