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Mars Base

Swift Satellite Captures Asteroid 2005 YU55′s Tumbling Flyby - 0 views

www.universetoday.com/...roid-2005-yu55s-tumbling-flyby

scibyte21 YU55

shared by Mars Base on 11 Nov 11 - No Cached
  • The Swift Telescope – better known for its study of high-energy outbursts and cosmic explosions – was able to observe the flyby of 2005 YU55
  • Swift’s ultraviolet and X-ray capability gives scientists a unique perspective on comets and asteroids
  • This isn’t the first time Swift has made observations of passing comets and asteroids
  • ...6 more annotations...
  • the spacecraft has observed ten asteroids, including Vesta
  • The challenge with 2005 YU55 was its rapid motion across the sky, which was much too fast for Swift to track
  • the team trained the spacecraft’s optics at two locations along the asteroid’s predicted path and let it streak through the field
  • The 27-minute-long image was effectively sliced into short 10-second-long exposures, which then were combined into a movie
  • The result is a movie of 2005 YU55 at ultraviolet wavelengths unobtainable from ground-based telescopes
  • this movie is a treasure trove of data that will help them better understand how this asteroid is put together, information that may help make predictions of its motion more secure for centuries to come
Mars Base

Asteroid Flyby: How Students Helped World See Giant Space Rock 2005 YU55 | Near-Earth O... - 0 views

www.space.com/yu55-earth-flyby-students.html

students giant space rock scibyte21

shared by Mars Base on 10 Nov 11 - No Cached
  • asteroid 2005 YU55
  • The Clay Center Observatory in Brookline, Mass., tracked 2005 YU55 with its 25-inch
  • webcast the resulting images live around the world
  • ...2 more annotations...
  • three high school kids from Brookline's Dexter School were in charge of making it happen
  • There are some advisers who are helping us if we run into any problems. But overall, it is student-based and student-run
Chris Fisher

NASA - NASA in Final Preparations for Nov. 8 Asteroid Flyby - 0 views

www.nasa.gov/...yu55-20111025.html

scibyte20

shared by Chris Fisher on 02 Nov 11 - Cached
  • At the point of closest approach, it will be no closer than 201,700 miles (324,600 kilometers) or 0.85 the distance from the moon to Earth
  • The last time a space rock as big came as close to Earth was in 1976
  • astronomers did not know about the flyby at the time.
  • ...1 more annotation...
  • he next known approach of an asteroid this large will be in 2028.
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