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Meade Instruments 60AZ-A2 User Manual

Page 9

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Spend se

ve

ral nights observing the Moon.

Some nights, the Moon is so bright that it

mak

es other objects in the sky difficult t

o

see. These ar

e nights that ar

e e
xc

ell
ent f

o

r

lunar observ

ation.

Observ

e the Solar Sys

tem

: Aft

er observing

the Moon, y

ou ar

e r
eady t

o

s

tep up t

o

the

ne
xt l
e

vel of observ

ation, the planets. Ther

e

ar

e f
our planets that y

ou c

an easil

y observ

e

in y

our t

e

lesc
ope: V

enus, Mar

s, Jupit

er and

Saturn.

Nine planets (maybe mor

e!) tr

av
el in a f

airl

y

cir
cular patt

ern ar

ound our Sun. Any sys

te

m

of planets orbiting one or mor

e s
tar
s is

c

all
ed a solar sys

tem. Our Sun, by the way,

is a singl

e, y

ell
o

w

dwarf s

tar

. It is av

er
age as

far as s

tar
s go and is a middl

e aged s

tar

.

Be
yond the planets ar

e cl

ouds of c

omets, icy

planet

oids and other debris l

eft o

ver fr

om

the birth of our sun. Rec

entl

y as

tr

onomer

s

hav

e f
ound lar

ge objects in this ar

ea and

the

y may incr

ease the number of planets in

our solar sys

tem.

The f

our planets cl

oses

t t
o

the Sun ar

e r
ocky

and ar

e c
all
ed the inner planets. Mer

cury,

V

enus, Earth and Mar

s c
omprise the inner

planets. V

enus and Mar

s c
an be easil

y seen

in y

our t

e

lesc
ope.

V

enus is seen bef

or

e dawn or aft

er sunset,

bec

ause it is cl

ose t

o

the Sun. Y

ou c

a

n

observ

e V
enus going thr

ough cr

esc

ent

phases. But y

ou c

annot see any surf

ac
e

det

ail on V

enus bec

ause it has a v

ery thick

atmospher

e of gas.

When Mar

s is cl

ose t

o

the Earth, y

ou c

an see

some det

ails on Mar

s, and sometimes e

ven

Mar

s’

polar c

aps. But quit

e oft

en, Mar

s is

further away and jus

t appear

s as a r

ed dot

with some dark lines cris

scr
os
sing it.

Jupit

er, Saturn, Ur

anus, Neptune and Plut

o

c

omprise the out

er planets. These planets,

e

xc

ept f

or Plut

o, ar

e made mos

tl

y of gases

and ar

e sometimes c

all
ed gas giants. If the

y

had gr

o

wn much bigger, the

y may hav

e

bec

ome s

tar
s. Plut

o is made mos

tl

y of ic

e.

Jupit

er is quit

e int

er

es
ting t

o

observ

e. Y

o

u

c

an see bands acr

os
s the f

a

c

e

of Jupit

er

. The

mor

e time y

ou spend observing these bands,

the mor

e det

ail y

ou will be abl

e t
o

see.

One of the mos

t f

ascinating sights of

Jupit

er ar

e its moons. The f

our

lar
ges

t moons ar

e c
all
ed the Galil

ean

moons, aft

er the as

tr

onomer Galil

eo,

who observ

ed them f

or the fir

s

t time.

If y
ou’v

e ne

ver wat

ched the Galil

ean moons

in y

our t

e

lesc
ope bef

or

e, y

ou’r

e mis

sing a

real tr

eat! Each night, the moons appear in

diff

er

ent positions ar

ound the Jo

vian sky

.

This is sometimes c

all
ed the Galil

ean danc

e.

On any giv

en night, y

ou might be abl

e t
o

see

the shadow of a moon on the f

a

c

e

of Jupit

er,

see one moon eclipse another or e

ven see a

moon emer

ge fr

om behind Jupit

er’
s giant

disk. Dr

awing the positions of the moons

each night is an e

xc

ell
ent e

xer

cise f

or no

vic
e

as
tr

onomer

s.

7

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