Examlex
In a large sampling of stars, the largest group represented in the H-R diagram will be the mainsequence stars. Why are they so common?
Hydrogen
The lightest and most abundant chemical element in the Universe, consisting of just one proton and one electron.
Organic Product
A compound predominantly consisting of carbon atoms, produced by living organisms or synthetic processes.
Animal
A multicellular, eukaryotic organism of the kingdom Animalia or Metazoa, capable of locomotion and responsive to their environment in various ways.
Plant
Living organisms belonging to the kingdom Plantae that typically grow in a permanent site, absorb water and inorganic substances through their roots, and synthesize nutrients in their leaves by photosynthesis using light energy.
Q22: An iron core cannot support a star
Q29: Stars form from a collapsing cloud that
Q41: What do sunspots tell us about the
Q51: The heaviest nuclei of all are formed:<br>A)
Q61: In the Lighthouse Model,<br>A) the star literally
Q62: The light we see from the Sun
Q69: The first hint of the role of
Q69: A star is on the horizontal branch
Q75: Why do Uranus and Neptune appear bluish?
Q78: On Bode's advice,Herschel named his newly discovered