Monday, February 5, 2018

Feb 5 - Fire Volcano

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Volcán de Fuego from Earth and space

Volcán de Fuego - literally fire volcano - is one of Central America’s most active volcanoes. Photos and video of its recent eruption here.

Scientists solve a methane puzzle

Since 2006, levels of heat-trapping methane in Earth's atmosphere have risen sharply. A new study settles a disagreement about the source.

Tonight … Locate Cassiopeia the Queen

An earlier name for Cassiopeia was Cassiopeia's Chair. A legend from ancient Greek mythology explains why.

Tonight … See the Double Cluster

First, find the M- or W-shaped constellation Cassiopeia. The Double Cluster - 2 open star clusters - is nearby and beautiful in a dark sky.

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See the Double Cluster

Just above Cassiopeia, assuming your sky is dark, you'll see a faint fuzzy patch. This is the Double Cluster, which blooms into a sparkling array of stars through binoculars or a small backyard telescope.

Volcán de Fuego from Earth and space

February 1 satellite image – in natural color – of a burst from Volcán de Fuego, one of central America's most active volcanos. Ash in a volcanic plume typically appears brown or gray in space images, while steam appears white. Image via Landsat 8.

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