NASA APOD Archive: April 2009
28 APODs from April 2009.
Astronaut's Head Upgraded During Spacewalk
1 April 2009
100 Hours of Astronomy Begins
2 April 2009
Around the World in 80 Telescopes
3 April 2009
Star Party on Planet Earth
4 April 2009
International Space Station Expands Again
6 April 2009
The Colliding Spiral Galaxies of Arp 274
7 April 2009
Unusual Dusty Galaxy NGC 7049
8 April 2009
Venus Near Inferior Conjunction
9 April 2009
ISS and Astronaut
10 April 2009
The Big Picture
11 April 2009
M39: Open Cluster in Cygnus
12 April 2009
M101: The Pinwheel Galaxy
14 April 2009
Jagged Shadows May Indicate Saturn Ring Particles
15 April 2009
Castle and Full Moon
16 April 2009
Medieval Astronomy from Melk Abbey
17 April 2009
NGC 1333 Stardust
18 April 2009
The View Near a Black Hole
19 April 2009
Flowing Barchan Sand Dunes on Mars
20 April 2009
Global Warming Predictions
21 April 2009
Sky Panorama Over Lake Salda
22 April 2009
Sharpless 308
23 April 2009
Moon and Morning Star
24 April 2009
Dark Markings of the Sky
25 April 2009
NGC 4676: When Mice Collide
26 April 2009
Prometheus Creating Saturn Ring Streamers
27 April 2009
NGC 4565: Galaxy on the Edge
28 April 2009
GRB 090423: The Farthest Explosion Yet Measured
29 April 2009
Framed by Clouds
30 April 2009