Latest EPOXI findings on Comet Hartley 2 published

At the heart of Comet 103P/Hartley, a new breed of comet?

The researchers observed Comet Hartley six times during the summer, fall, and winter of 2010, both before and after the EPOXI mission's Deep ...

Old News :: User Sites :: USNA

... Comet 103P/Hartley 2 during the EPOXI encounter" by Lisse et al. ... 5.4.11 "CN Morphology Studies of Comet 103P/Hartley 2" has now been published ... 10.22.10 New ...

Young Comet Challenges Solar System Formation Story

NASA's EPOXI mission flew near enough in November 2010 to capture impressive images of Comet Hartley 2 ejecting its gases. Much of the data it ...

Dust in Comet 103P/Hartley 2 coma during EPOXI mission - OUCI

List of references · Das, Modelling the polarization properties of Comet 1P/Halley using a mixture of compact and aggregate particles, Mon. · Dello Russo, The ...

Secular light curve of comet 103P/Hartley 2, target of the EPOXI ...

... results of this investigation are: (a) of the order of 30 photometric ... new mission to a comet should be made to a methuselah object.

NASA and the case of the missing comet | University of Hawaii News

The new mission is named EPOXI. The decision was made after an international consortium of astronomers led by the University of Hawaii's Dr.

Rotation of Comet 103P/Hartley 2 from Spectroscopy at 1mm

new groundbreaking investigations. In this work we present our published results [6] which quantify the rotation state of 103P's nucleus. 2. Observations.

NASA's EPOXI mission (was: Deep Impact) - collectSPACE: Messages

If EPOXI's observations of Hartley 2 show it is similar to one of the other comets that have been observed, this new class of comets will be ...

Comet 103P/Hartley 2 in a new light: Herschel studies the EPOXI ...

... released from the nucleus as the ices evaporate when the comet approaches the Sun, about 230 kg every second. The water excitation is constrained using ...

Where did Earth's water come from? Comet Hartley 2 offers new clues.

Comet 103P/Hartley 2, which made its closest approach to the sun last October, contains water with virtually the same chemical signatures as ...

Hartley 2 Reveals More Surprises - C&EN

Images of comet Hartley 2 captured by the spacecraft EPOXI show not only that the jets of gas driving the comet's tail are composed largely ...

Accepted for publication in Astrophysical Journal Letters - arXiv

EPOXI Flyby. Fig. 2. Water production rate of comet 103P/Hartley 2. The triangles give the water production rates determined from the SWAN H Lyman-α images ...

New Super Close-Up Images From Comet Flyby | WIRED

The Deep Impact probe (now on a mission called EPOXI) passed by comet Hartley 2 at 7:01 a.m. PDT, the fifth time in history that a spacecraft ...

Starwatch: Comets Hartley 2 and Ikeya-Murakami - The Guardian

This stunning portrait of the nucleus of Comet Hartley 2 was obtained by NASA's Epoxi mission on 4 November. It gives us our best view ever ...

NASA's EPOXI Mission Successfully Flies By Comet Hartley 2

NASA's EPOXI mission successfully flew by comet Hartley 2 at about 7 a.m. PDT (10 a.m. EDT) today, and the spacecraft has begun returning ...

Herschel finds first evidence of Earth-like water in a comet

This detection, in the comet 103P/Hartley 2, shows that contrary to earlier belief, comets may well have played an important role in bringing ...

NASA EPOXI Flyby Reveals New Insights Into Comet Features

4, 2010 /PRNewswire-USNewswire/ -- NASA's EPOXI mission spacecraft successfully flew past comet Hartley 2 at 10 a.m. EDT Thursday. Scientists ...

At the Heart of Hartley-2, a New Breed of Comet? - Space Daily

EPOXI revealed that the carbon dioxide jets are not found at the large end of the comet, and in the middle region, water vapor is released ...

Rotation State of Comet 103P/Hartley 2 from Radio Spectroscopy at ...

The effect will be best visible when every single spectrum results from the molecules released at similar nucleus rotation phases, which is satisfied when the ...

Deep Impact at Hartley 2: Two weeks after the flyby

Subsurface carbon dioxide ice located deep inside the comet feels the warmth from the Sun and sublimates, breaking out of the nucleus as jets ...