Examlex
Explain what a standard candle is and how it could be used to determine a galaxy's distance.
Culture
In the sociologic sense, a pattern of assumptions, beliefs, and practices that shape the way people think and act.
Microorganisms
Tiny, usually microscopic, life forms, including bacteria, viruses, fungi, and protozoa, that can have diverse roles in various ecosystems and human health.
Mycobacterium
A genus of bacteria known for causing diseases such as tuberculosis and leprosy in humans.
Tuberculosis
Tuberculosis is an infectious disease caused by the bacterium Mycobacterium tuberculosis, affecting the lungs and potentially other parts of the body.
Q14: Which is used observationally to determine the
Q35: Decoupling refers to interactions between matter and
Q35: According to the HST data, very distant
Q45: At temperatures of _ K, photons can
Q45: The crossover point from radiation to
Q61: What are X-ray bursters?<br>A)They are the central
Q93: The interstellar _ absorbs light from stars
Q105: There is no difference in the light
Q106: Why is it thought that quasars probably
Q113: In what sense is all observable deuterium