Topic: space


Leonids Above Torre de la Guaita

Leonids Meteor Shower came to an impressive crescendo in 1999. Observers in Europe saw a sharp peak in the number of meteors visible around 0210 UTC during the early morning hours of November 18. Meteor counts then exceeded 1000 per hour – the..


Earth at Night

This remarkably complete view of Earth at night is a composite of cloud-free, nighttime images. The images were collected during April and October 2012 by the Suomi-NPP satellite from polar orbit about 824 kilometers (512 miles) above..



Earth Art From Space

NASA Astronaut Reid Wiseman shared this image of Yosemite via his twitter account this morning. Wiseman later tweeted: “We cranked up our #Soyuz this morning and test fired all the thrusters. Everything worked flawlessly –..


A Quadruple Lunar Halo Over Spain

The brightest object, near the top of the above image, is the Moon. Light from the Moon refracts through tumbling hexagonal ice crystals into a 22 degree halo seen surrounding the Moon. Elongating the 22 degree arc horizontally is a circumscribed..


The Black Marble

The night side of our planet twinkles with light, and the first thing to stand out is the cities. “Nothing tells us more about the spread of humans across the Earth than city lights,” asserts..


Dust and Clouds Dance Over the Sahara

More dust blows out of the Sahara Desert and into the atmosphere than from any other desert in the world, and more than half of the dust deposited in the ocean lifts off from these..



Comet Jacques, Heart and Soul

On July 13th, a good place to watch Comet Jacques was from Venus. Then, the recently discovered visitor (C/2014 E2) to the inner solar system passed within about 14.5 million kilometers of our sister planet. But the outbound comet..


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