Astronomy - USA (2020-06)

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PLEASE PROOF:
Individual illustrators,
designers, art directors,
and editors must proof
and sign this form.
Title
Issue
Job #
Code
Proof
Date
Return
Illustrator
Designer
Art Dir.
Story Ed.
Copy Ed.
Man. Ed.
Editor
Astronomy
June 2020
MAG-ASY-JUN20
PC
1
3-3-20
Roen Kelly
HOW TO USE THIS MAP
This map portrays the sky as seen
near 35° north latitude. Located
inside the border are the cardinal
directions and their intermediate
points. To find stars, hold the map
overhead and orient it so one of
the labels matches the direction
you’re facing. The stars above
the map’s horizon now match
what’s in the sky.
The all-sky map shows
how the sky looks at:
midnight June 1
11 p.m. June 15
10 p.m. June 30
Planets are shown
at midmonth
MAP SYMBOLS
Open cluster
Globular cluster
Diffuse nebula
Planetary nebula
Galaxy
STA R
MAGNITUDES
Sirius
0.0
1.0
2.0
3.0
4.0
5.0
STAR COLORS
A star’s color depends
on its surface temperature.

-^ The hottest stars shine blue

• Slightly cooler stars appear white


• Intermediate stars (like the Sun) glow yellow


• Lower-temperature stars appear orange


• The coolest stars glow red


• Fainter stars can’t excite our eyes’ color
  receptors, so they appear white unless you
  use optical aid to gather more light

STAR DOME

BEGINNERS: WATCH A VIDEO ABOUT HOW TO READ A STAR CHART AT

http://www.Astronomy.com/starchart.