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M 8 2<br />
A galaxy <strong>12</strong> million light years<br />
from Earth that is undergoing a<br />
burst of star formation.<br />
J a n u a r y 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong><br />
<strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong><br />
<strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong><br />
<strong>21</strong> <strong>22</strong> 23 24 25 26 27<br />
28 29 30 31
C a r T W h e e l G a l a x y<br />
A ring galaxy 400 million light years<br />
from Earth.<br />
F e b r u a r y 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong><br />
<strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong><br />
<strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong><br />
<strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong> 23 24<br />
25 26 27<br />
28
n G C 4 6 9 6<br />
A large elliptical galaxy in the Cen -<br />
taurus Galaxy Cluster, about <strong>15</strong>0 mil -<br />
lion light years from Earth.<br />
M a r C h 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong><br />
<strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong><br />
<strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong><br />
<strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong> 23 24<br />
25 26 27<br />
28<br />
29 30 31
J 0 6 1 7 i n i C 4 4 3<br />
A neutron star located in a<br />
supernova remnant about<br />
5,000 light years away.<br />
a p r i l 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong><br />
<strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong><br />
<strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong><br />
<strong>22</strong> 23 24 25 26 27<br />
29 30<br />
28
C a S S i o p e i a a<br />
A supernova remnant believed to be<br />
the remains of a massive star that<br />
exploded over 300 years ago.<br />
M ay 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong><br />
<strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong><br />
<strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong><br />
<strong>20</strong> <strong>21</strong> <strong>22</strong> 23 24 25 26<br />
27 28<br />
29 30 31
W 3 M a i n<br />
A region of massive star formation<br />
about 6,000 light years from Earth in<br />
the Perseus arm of the Milky Way.<br />
J u n e 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong><br />
<strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong><br />
<strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong><br />
<strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong> 23<br />
24 25 26 27 28<br />
29 30
M z 3<br />
Also known as the Ant Nebula, this<br />
newly - formed planetary nebula is<br />
3,000 light years away.<br />
J u ly 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong><br />
<strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong><br />
<strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong><br />
<strong>22</strong> 23 24 25 26 27<br />
29 30 31<br />
28
1 e 0 6 5 7<br />
Site of a collision between two large<br />
galaxy clusters about 3.4 billion light<br />
years from Earth.<br />
a u G u S T 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong><br />
<strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong><br />
<strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong><br />
<strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong> 23 24 25<br />
26 27<br />
28<br />
29 30 31
M 8 7<br />
An elliptical galaxy known in<br />
the Virgo cluster about 50 mil -<br />
lion light years away.<br />
S e p T e M b e r 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong><br />
<strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong><br />
<strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong><br />
23/30 24 25 26 27<br />
28<br />
<strong>01</strong><br />
29
M 3 1<br />
Central region of the Andromeda<br />
Galaxy, 2.5 million light years<br />
from Earth.<br />
o C T o b e r 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong><br />
<strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong><br />
<strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong><br />
<strong>21</strong> <strong>22</strong> 23 24 25 26 27<br />
28 29 30 31
a r C h e S , Q u i n T u p l e T,<br />
a n d G C S T a r C l u S T e r S<br />
Three massive star clusters near the enor -<br />
mous black hole at the center of the Milky<br />
Way, about 26,000 light years from Earth.<br />
n o v e M b e r 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong> <strong>02</strong> <strong>03</strong><br />
<strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong> <strong>09</strong> <strong>10</strong><br />
<strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong> <strong>16</strong> <strong>17</strong><br />
<strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong> 23 24<br />
25 26 27<br />
28<br />
29 30
p u p p i S a<br />
A supernova remnant about<br />
7,000 light years from Earth.<br />
d e C e M b e r 0 7<br />
Su Mo Tu We Th Fr Sa<br />
<strong>01</strong><br />
<strong>02</strong> <strong>03</strong> <strong>04</strong> <strong>05</strong> <strong>06</strong> <strong>07</strong> <strong>08</strong><br />
<strong>09</strong> <strong>10</strong> <strong>11</strong> <strong>12</strong> <strong>13</strong> <strong>14</strong> <strong>15</strong><br />
<strong>16</strong> <strong>17</strong> <strong>18</strong> <strong>19</strong> <strong>20</strong> <strong>21</strong> <strong>22</strong><br />
23/30 24/31 25 26 27<br />
28<br />
29
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