Examlex
A white dwarf star is about the same size as
Emergency
A serious, unexpected, and often dangerous situation that requires immediate action.
Unforeseen
Referring to events or outcomes that were not predicted or expected, often leading to unexpected challenges or opportunities.
Danger
The possibility of harm, injury, or adverse consequences.
Bystander Effect
People are less likely to help in an emergency when they are with others than when alone. The greater the number, the less likely it is that anyone will help.
Q12: What is a virtual particle?<br>A) particle whose
Q14: The primary evidence for the expanding universe
Q106: A star ascending the red-giant branch for
Q122: What is the main observational difference between
Q124: What useful purpose did variable stars serve
Q131: A nova is an explosion involving a
Q148: What is the present range of measured
Q151: Protostars are<br>A) very young objects still contracting
Q158: If Alice stays on Earth while Bob
Q279: The apparent reddening of light from stars