Universe Maps, Manhattan Meteor and More
In the last week, we've seen a new map revealed the universe is perhaps 100 million years older than thought, a bright meteor lit up the night sky over much of the northeast U.S. coast and astronomers geared up for possible 'Comet of the Century'. See the top stories of the last week here.
<p>FIRST STOP:
Universe Older Than Thought, Best Space-Time Map Yet Reveals
Universe Older Than Thought, Best Space-Time Map Yet Reveals
The universe is 100 million years older than thought, according to the best-ever map of the oldest light in space. [<a href=http://www.space.com/20328-universe-older-planck-spacecraft-map.html>Full Story</a>]
<p>NEXT: Meteor Over Manhattan
Meteor Over Manhattan
A bright meteor lit up the night sky over much of the northeast U.S. coast late Friday (March 22), sparking more than 500 fireball reports. See how many states saw the meteor. [<a href=http://www.space.com/20360-east-coast-meteor-fireball.html>Full Story</a>]
<p>NEXT: Astronomers Set for 'Comet of the Century'
Astronomers Gearing Up for Possible 'Comet of the Century'
Scientists are coordinating their efforts to observe the Comet ISON, which could be the brightest comet in 50 years at its peak this November. [<a href=http://www.space.com/20260-comet-ison-nasa-campaign.html>Full Story</a>]
<p>NEXT: Growing Up with Hawaii's Keck Observatory
Growing Up in the Shadow of Hawaii's Keck Observatory
As Keck this week celebrates the 20th anniversary of its first science observations on March 16, 1993, I've been reminiscing on what this behemoth of astronomy means to me. [<a href=http://www.space.com/20339-keck-observatory-childhood-recollections.html>Full Story</a>]
<p>NEXT: Oceans May Be Common on Rocky Alien Planets
Oceans May Be Common on Rocky Alien Planets
There are a few key features needed in a nascent star system for Earth-like planets to develop, scientists say. [<a href=http://www.space.com/20282-alien-planets-habitable-oceans.html>Full Story</a>]
<p>NEXT: US Makes 1st Plutonium in 25 Years, for Spacecraft
US Makes First Plutonium in 25 Years, for Spacecraft
The United States has begun producing plutonium-238 again for the first time in a quarter century, marking a key step toward averting a feared shortage of this important spacecraft fuel, NASA officials say. [<a href=http://www.space.com/20290-plutonium-spacecraft-nasa-fuel.html>Full Story</a>]
<p>NEXT: Graves of Twin Moon Probes Spotted by NASA Spacecraft
Graves of Twin Moon Probes Spotted by NASA Spacecraft
An eagle-eyed NASA spacecraft has spotted the tiny craters two moon probes created when they crashed intentionally into the lunar surface last year. [<a href=http://www.space.com/20293-nasa-grail-moon-probes-graves.html>Full Story</a>]
<p>NEXT: Meteor or Missile Attack: How Will We Know?
Meteor or Missile Attack: How Will Military Leaders Know?
Military officials and Congress debate whether the U.S can really detecting an incoming meteor, and telling the difference between a space rock and asteroid. [<a href=http://www.space.com/20310-russian-meteor-missile-attack-military.html>Full Story</a>]
<p>NEXT: Apollo Moon Rocket Engines Raised from Seafloor by Amazon CEO
Apollo Moon Rocket Engines Raised from Seafloor by Amazon CEO
Long thought to be lost forever on the ocean floor, massive engines that launched astronauts to the moon more than 40 years ago have been recovered by a private expedition led by the founder of Amazon.com. [<a href=http://www.space.com/20317-apollo-moon-rocket-engines-bezos.html>Full Story</a>]
<p>NEXT: NASA Probes Security Lapses After Arrest of Ex-Contractor
NASA Probes Security Lapses After Arrest of Ex-Contractor
NASA administrator Charles Bolden spoke before the House Committee on Appropriations about new security measures and reviews that are a response to the arrest of former NASA contractor Bo Jiang, a Chinese national. [<a href=http://www.space.com/20324-nasa-china-spy-security-lapses.html>Full Story</a>]
<p>NEXT: Why Voyager 1's Solar System Exit Is So Hard to Predict
Why Voyager 1's Solar System Exit Is So Hard to Predict
NASA's Voyager 1 probe is tantalizingly close to the edge of the solar system, but predicting when it will finally pop free into interstellar space is a challenging proposition, mission team members say. [<a href=http://www.space.com/20325-voyager-spacecraft-interstellar-space-predictions.html>Full Story</a>]
<p>NEXT: Slumbering Sun Wakes Up This Year
Slumbering Sun Should Wake Up This Year
The sun should roar back to life sometime in 2013, producing its second activity peak in the last two years, scientists say. [<a href=http://www.space.com/20357-solar-maximum-2013-space-weather.html>Full Story</a>]
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