1. Radio Objects

2. W3 Massive star formation region 9,900 light years from Earth
Cloud of ionized hydrogen

3. Crab Nebula Supernova Remnant 6,300 light years from Earth
Exploded in 1054 AD
6,300 light years from Earth
Pulsar (neutron star) rotates 30 times per second, is a few kilometers in diameter, and is a massive as the Sun

4. Cygnus A
Radio Galaxy
Energy output is equal to 10 billion crab nebulas
700,000,000 light years away!
500,000 light years across

5. Hercules A Radio Galaxy 2 billion light years away
Possibly be two galaxies merging together