55 cancri - nasa · 55 cancri telrad view shown here close up is the outer planet with a...

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7000 5000 3000 1000 < Sun How Hot? © Astronomical Society of the Pacific 2004. Copies for educational purposes permitted. °C Star > How far in light years? Sun 50 100 150 < 41 < 55 Cancri d 55 Cancri e < Mars Earth > Mercury > Jupiter < Venus 55 Cancri b 55 Cancri c Planets (yr discovered) Avg Dist From Star (Earth from Sun = 1 AU) Orbit: Mass: e (2004) b (1996) c (2002) d (2002) 0.04 AU 0.12 AU .24 AU 6.3 AU 2.8 Days 14.7 Days 44 Days 12.4 Yrs 5% Jupiter 78% Jupiter 22% Jupiter 3.9 Jupiter Star: 55 Cancri Planets: 55 Cancri e, b, c, d Star’s System Compared to Our Solar System First star with 4 confirmed planets. Close to same temperature, diameter, age, and mass as the Sun. 55 Cancri Artist: Lynette Cook Shown here close up is the outer planet with a hypothetical icy moon. The other confirmed worlds in this system are shown as small dots of light to the left and right of the parent star. Telrad View Cancer Canis Minor RA: 8h 52m Dec: 28 º 20' mag: 5.95 Gemini

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Page 1: 55 Cancri - NASA · 55 Cancri Telrad View Shown here close up is the outer planet with a hypothetical icy moon. The other confirmed worlds in this system are shown as small dots of

7000

5000

3000

1000

< Sun

How Hot?

© Astronomical Society of the Pacific 2004. Copies for educational purposes permitted.

°C

Star >

How far in light years?

Sun

50

100

150

< 41

< 55 Cancri d

55 Cancri e

< Mars

Earth >

Mercury >

Jupiter

< Venus

55 Cancri b

55 Cancri c

Planets (yr discovered)

Avg Dist From Star(Earth from Sun = 1 AU)

Orbit:Mass:

e (2004) b (1996) c (2002) d (2002)

0.04 AU 0.12 AU .24 AU 6.3 AU

2.8 Days 14.7 Days 44 Days 12.4 Yrs

5% Jupiter

78%Jupiter

22%Jupiter

3.9 Jupiter

Star: 55 Cancri Planets: 55 Cancri e, b, c, dStar’s System Compared to Our Solar System

First star with 4 confirmed planets. Close to same

temperature, diameter, age, and mass as the Sun.

55

Can

cri

Art

ist:

Lyn

ette

Co

ok

Sho

wn

her

e cl

ose

up

is t

he

ou

ter p

lan

et w

ith

a h

ypo

thet

ical

icy

mo

on

. Th

e o

ther

co

nfir

med

wo

rld

s in

th

is s

yste

m a

re s

ho

wn

as

smal

l do

ts o

f lig

ht

to t

he

left

an

d r

igh

t o

f th

e p

aren

t st

ar.

Telr

ad V

iew

Can

cer

Can

is M

ino

rR

A: 8

h 5

2mD

ec: 2

8º 2

0'm

ag: 5

.95

Gem

ini