New Eclipse Stamp Reveals Hidden Moon Image When Rubbed

Guess who’s got eclipse fever? On June 20, the U.S. Postal Service will release a special stamp to commemorate the August 21 total eclipse of the sun. No ordinary stamp, it’s the first to contain a special thermochromic ink that changes when you touch it. The blackened sun, ringed by the solar corona, transforms into an image…
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Comet Lovejoy Is Falling Apart

Oh, it’s still there, but not like it used to be. In early April, Comet C/2017 E4 Lovejoy was the ticket — bright, dense head and streak of a tail almost at the naked eye limit of visibility. Certainly it was an easy if small binocular object with a bright future, provided it held together in…
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Moon Covers Aldebaran Today In Broad Daylight

I apologize for being late in getting this out, but if you have small telescope and and clear skies today, you can spot Aldebaran, the brightest star in Taurus, get covered by the moon in broad daylight. The occultation will be visible across the U.S., parts of Canada, Central America and Europe. The moon’s just…
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What’s That Bright Star At Dawn?

Several people have asked me in recent days what that bright “star” is shining near the sun at dawn. It’s Venus, brightest of the planets. Venus was in inferior conjunction with the sun on March 25, the date it wrapped up its evening sky run. During inferior conjunction, a planet passes between the Earth and sun…
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Fresh Look At A Martian ‘Hole-in-One’

A new photo taken by NASA’s Mars Reconnaissance Orbiter (MRO) captures the landing platform the rover Opportunity left behind in Eagle Crater more than 13 years and 27 miles (44 km) ago, the distance the rover has traveled since landing on Jan. 25, 2004.  The long-lived rover arrived bundled in an airbag-cushioned lander that bounced and…
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