Health personnel screen arriving passengers for the Ebola virus at Toncontin International Airport

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Health personnel screen arriving passengers for the Ebola virus at Toncontin International Airport  in Tegucigalpa, Honduras.

Health workers loadthe body of a man who is suspected to have died from Ebola

 

635495258854530008-ebola3Health workers loadthe body of a man who is suspected to have died from Ebola in the back of a truck in Paynesville Community on the outskirts of Monrovia, Liberia.

 

A pair of interacting galaxies consisting of NGC 5754

Hubble image of galaxy collisions across space and time

A pair of interacting galaxies consisting of NGC 5754, the large spiral on the right, and NGC 5752, the smaller companion in the bottom left. NGC 5754’s internal structure has hardly been disturbed by the interaction. The outer structure does exhibit tidal features, as does the symmetry of the inner spiral pattern and the kinked arms just beyond its inner ring. In contrast, NGC 5752 has undergone a starburst episode, with a rich population of massive and luminous star clusters clumping around the core and intertwined with intricate dust lanes. The contrasting reactions of the two galaxies to their interaction are due to their differing masses and sizes.

An image of Jupiter shows the planet’s trademark belts

Hubble Space Telescope photograph of Jupiter

An image of Jupiter shows the planet’s trademark belts and zones of high- and low-pressure regions in crisp detail. Circular convection cells can be seen at high northern and southern latitudes.