Imaginea Astronomica a Zilei

Descopera cosmosul! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2000 June 5
See Explanation.  Clicking on the picture will download 
 the highest resolution version available.
In the Heart of the Crab
Credit: William P. Blair (JHU) et al. Hubble Heritage Team (STScI/AURA), NASA

Explicatie: (Edit) The supernova explosion that formed the Crab Nebula was first seen on the year 1054. Last week, astronomers released a new image of the still-evolving center of the explosion. The above representative-color photograph was taken in colors emitted by specific elements including hydrogen (orange), nitrogen (red), sulfur (pink), and oxygen (green), with the result appearing oddly similar to a Jackson Pollock painting. Visible is a complex array of gas filaments rushing out at over 5 million kilometers per hour. Even at these tremendous speeds, though, it takes a filament over 600 years to cross the 3 light year wide frame. The rapidly spinning neutron star remnant of this ancient cataclysm is visible as the lower of the two bright stars just above the photograph center. The Crab Nebula (M1) is located 6,500 light-years away towards the constellation of Taurus.

Imaginea de maine: Eruption on Io

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Autori & editori: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
Reprezentanti tehnici NASA: Jay Norris. Specific rights apply.
Un serviciu al: LHEA at NASA/GSFC
& Michigan Tech. U.