This infographic was supplied by Space.com shortly after that last launch of a North Korean missile, but its worth looking back at tod.ay to better understand that country’s capabilities or lack of.
Space.com also took a brief look at the origins of the North Korea launch program. Soviet in nature through Egypt and Iran. Read more here.
On Feb. 15, 2013, a small asteroid entered Earth’s atmosphere over Chelyabinsk, Russia. Estimates put the asteroid at ~17 meters in diameter with a mass of ~11,000 metric tons and traveling ~18 km/sec. This NASA created math activity can be used in classrooms to use a real world headline making event in their math lessons.
Here’s a nifty math and physics games that teaches graphing in a practical way. Be sure to point out to your students that gravity is not a factor here.