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☆☆☆☆☆Cards in this guide (21)
Stars and planets are formed when the nebula collapses creating spinning balls of matter
true
What layer of the sun's atmosphere is composed of granular cells
The layer is the photosphere.
(Granular cells on the Sun are the tops of convection current cells.)
The hottest part of the sun
The very center of the core, where nuclear fusion is occurring; millions of degrees.
About how many stars are in the Milky Way
The Milky Way contains at least 100 billion stars and may have up to 400 billion stars. The exact figure depends on the number of very low-mass, or dwarf stars, which are hard to detect
This constellation pictures a musical instrument
lyra.
This comet was visible as it passed the earth In 1997
comet hale-bop
The site of solar energy production
core
It is considered to represent Zeus
Cygnus
Active magnetic eruptions that burst into space from the surface of the sun are called
solar flares.
In the life cycle of a star what stage occurs immediately before a nova explodes
Super Giant
Which of these gases is present in the greatest percentage in the composition of the sun
Hydrogen
Thank you
These seem to occur in eleven-year cycles
SunSpots
Which of these stars is actually composed of three stars forming a triple star system
Alpha Centauri
Which of these terms takes into consideration the brightness of a star but ignores the differences that distance can make
absolute magnitude
Which of these groups of people first initiated the modern system of recognizing constellations
Greeks.
The nucleus and the coma compose the what of the comet
head
The layer of the sun's atmosphere that is composed of super granular cells
Chromosphere
A is a mass of gases dust particles and stars that are located in space
nebula
What are stars called that wink
stars
How large are giant stars
giant
Which of these stars is a super giant
when does Halley's Comet passes by the earth every
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