Siteadmin, Check users, nsTeam1RO, nsTeam1RW, nsTeam1_talkRO, nsTeam1_talkRW, oversight, Administrators
30,650
edits
Changes
Jump to navigation
Jump to search
Line 126:
Line 126: − + − + − + + + Line 137:
Line 139: − +
→Strikes: Tunguska event: we can only guess at the size
the planet in its youth.
the planet in its youth.
On June 30, 1908, a small asteroid 330 feet (100
On June 30, 1908, a small asteroid (estimated 100
meters) in diameter exploded over the remote region of
meters, or around 330 feet) in diameter exploded over the remote region of
Tunguska in Siberia, devastating more than half a million
Tunguska in Siberia, devastating more than half a million
acres of forest. One of the most recent close calls occurred
acres of forest.
One of the most recent close calls occurred
on March 23, 1989, when an asteroid 0.25-mile (0.4-
on March 23, 1989, when an asteroid 0.25-mile (0.4-
kilometer) wide came within 400,000 miles (640,000
kilometer) wide came within 400,000 miles (640,000
had passed the same point in space just six hours apart.
had passed the same point in space just six hours apart.
On February 15, 2013 an meteoroid exploded in the [[Ural Mountains]].
On February 15, 2013 an meteor exploded in the [[Ural Mountains]].
The shock wave shattered many windows, causing over 1,000 people to be injured.<ref>http://www.foxnews.com/science/slideshow/2013/02/15/fire-in-sky-500-injured-as-meteor-falls-in-russia/#slide=1</ref>
The shock wave shattered many windows, causing over 1,000 people to be injured.<ref>http://www.foxnews.com/science/slideshow/2013/02/15/fire-in-sky-500-injured-as-meteor-falls-in-russia/#slide=1</ref>
<ref>Around 1,200 people, 200 of them children, were injured, mostly by glass that exploded into schools and workplaces, according to Russia’s Interior Ministry. [http://www.nytimes.com/2013/02/16/world/europe/meteorite-fragments-are-said-to-rain-down-on-siberia.html?_r=0]</ref>
<ref>Around 1,200 people, 200 of them children, were injured, mostly by glass that exploded into schools and workplaces, according to Russia’s Interior Ministry. [http://www.nytimes.com/2013/02/16/world/europe/meteorite-fragments-are-said-to-rain-down-on-siberia.html?_r=0]</ref>