A +6.0 magnitude star is brighter than a +3.0 magnitude star.
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A loop of gas following the magnetic field lines between sun…
A loop of gas following the magnetic field lines between sunspots’ poles is
Main sequence stars lie at the top right corner of the H-R d…
Main sequence stars lie at the top right corner of the H-R diagram.
The sunspot cycle averages about 11 months.
The sunspot cycle averages about 11 months.
A meteor is
A meteor is
The outward pressure of hot gas in the Sun
The outward pressure of hot gas in the Sun
Typically a granule in the photosphere is about
Typically a granule in the photosphere is about
Like Jupiter’s other icy moons, Europa is covered with crate…
Like Jupiter’s other icy moons, Europa is covered with craters.
The GABAA receptor is a ligand-gated _______ channel.
The GABAA receptor is a ligand-gated _______ channel.
Which of the following statements about action potentials is…
Which of the following statements about action potentials is false?