Deep Impact Shows Comet Scientists Something New

NASA's spacecraft Deep Impact journeys to comet Hartley

Deep Impact approaches comet Hartley 2 and will arrive at its nearest location on November 4

Astronomy News – NASA’s EPOXI mission is currently on a journey to comet Hartley 2 and Deep Impact as this mission is more commonly referred too will arrive at its nearest spot to this icy world on November 4. NASA was using imagers on Deep Impact during the days between September 9-17 to get a view of comet Hartley 2 before the spacecraft arrives on location and the things they saw has NASA’s comet scientists shaking their heads. Apparently, comet scientists observed the characteristic increase in the release of cyanide associated with comets as they travel through the inner solar system, by a factor of five or six times during this observation period in September. What they didn’t see was the expected increase in dust emissions due to this fivefold increase in the release of cyanide, which is something new according to comet scientists, who are now busy trying to figure out what they actually saw.

Comets could hold the keys to understanding the beginnings of life on Earth

Why would the difference be so important to comet scientists as Deep Impact approaches comet Hartley 2? Scientists hate unknown parameters being suddenly thrown into their well-calculated plans and this discovery certainly could affect the mission in ways we’ll possibly never hear about. Where did the dust go? The dust obviously didn’t go anywhere and is still close to comet Hartley 2, which could affect the quality of the view observers will get of Hartley 2. This will especially be true for observers on Earth, who now that they know about this fact can certainly take this fact into consideration. Otherwise, this fact is going to skew your observations and your interpretation of what you’re actually seeing when trying to view comet Hartley 2 from Earth. Certainly, this isn’t likely to seriously affect the mission as a whole, and Deep Impact will surely get some spectacular pictures of comet Hartley 2 as it approaches and recedes from the sun.

We’ll never know if we don’t go out there and study them

The interesting thing about comets releasing significant amounts of cyanide is that cyanide is a carbon-based molecule that certainly could have been brought to Earth on comets like Hartley 2 billions of years in the past. Comets haven’t changed since this time and have been hitting the Earth and releasing cyanide since this time, which brings up interesting questions that NASA is hoping the EPOXI mission and follow up missions to other comets is going to answer in the years ahead.

If you love astronomy, check out my latest astronomy site at http://astronomytonight.yolasite.com/, and then drop me a line or two.

Learn how NASA astronomers are planning on detecting extraterrestrial moons orbiting distant suns https://spaceshipearth1.wordpress.com/2013/12/31/searching-for-extraterrestrial-moons/.

Read about the latest news on life beyond Earth https://spaceshipearth1.wordpress.com/2013/12/25/the-search-for-life-beyond-earth-takes-a-turn-at-jupiter/.

Take a look at the latest natural color images taken by the Cassini spacecraft https://spaceshipearth1.wordpress.com/2013/12/22/cassini-spacecraft-show-views-of-the-solar-system-in-natural-color/.

5 thoughts on “Deep Impact Shows Comet Scientists Something New

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