A new book released this week highlights how the view from space with Earth-orbiting sensors is being used to protect some of the world’s most interesting, changing, and threatened places. From space, Egmont National Park..
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..
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..
Northern lights as viewed from the International Space Station. Auroras are caused by charged particles entering the atmosphere from above causing ionization and excitation of atmospheric constituents as they collide with the earth’s magnetic field…
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 –..
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 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..
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..
Artist’s Concept of Giant Black Hole in Center of Ultracompact Galaxy Astronomers using the NASA/ESA Hubble Space Telescope have found a monster lurking in a very unlikely place. New observations of the ultracompact dwarf galaxy..
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..