Examlex
A star of the Sun's diameter, but twice as hot, must be 16X more luminous than the Sun.
Conscious Awareness
The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.
Eyewitness Accounts
Testimonies from individuals who have directly observed an event or situation.
Leading Questions
Questions phrased in a way that suggests a particular answer or influences the response of the person being asked.
Car Collisions
Incidents where two or more vehicles crash into each other.
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Q45: William Herschel was the discoverer of Uranus.
Q50: Ionization of hydrogen in H II regions
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Q84: Modern astronomers have observed the complete life