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Astronomy

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Kaleb Becker

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βˆ™ 2021-10-05 18:34:24
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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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