Topic

Planetary

Showing 11 - 20 of 47
Fri, September 18 2015

Earth is Shaping the Shrinking Moon

Planetary science is one of those fields of research where you can always count on being surprised. The remarkable terrain of Pluto and Charon in images being sent back by the New Horizons spacecraft certainly qualifies. One of my all-time big surprises is from a recent discovery on an object much closer to home—the Moon.

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Wed, September 2 2015

Pioneer Carries Message Across the Stars

The National Air and Space Museum's full-scale mockup of the Pioneer 10 spacecraft was recently moved to its new location in the Boeing Milestones of Flight Hall as a part of a major renovation to the gallery.

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Sat, August 22 2015

Inside Look: Celebrating New Horizons With the Mission Team

On July 13 and 14, I was invited to visit the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, for the New Horizons Pluto Flyby Events.

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Fri, August 21 2015

New Horizons: The Gift That Keeps Giving

On July 14, the New Horizons spacecraft completed a 9.5-year-long, 4.8-billion kilometer (3-billion mile) journey to the object furthest from the Sun to be visited by a spacecraft.

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Fri, August 14 2015

Remembering Claudia Alexander—Space Scientist

Claudia Alexander was perhaps not well-known to the general public, but within the space and science community she was a valued colleague and friend whose contribution to the field of space exploration was significant and lasting.

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Fri, July 10 2015

First Mission to Pluto: The Difficult Birth of New Horizons

As we await the exciting results of New Horizons’ flyby of Pluto on July 14, it is all too easy to think that this mission was inevitable: the capstone to NASA’s spectacular exploration of all the planets (and ex-planets) of the solar system since the 1960s. Yet, it proved extraordinarily difficult to sustain a Pluto project.

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Thu, May 14 2015

Finding Pluto With the Blink Comparator

It all started at a special public lecture at the Museum in July 2014 given by Alan Stern, the lead scientist for the New Horizons mission, which will fly past Pluto this July. Among the attendees was William Lowell Putnam IV, sole trustee of the Lowell Observatory in Flagstaff, Arizona—the place where Pluto was found in 1930 by Clyde Tombaugh. It was an exciting evening, not only to learn about the impending flyby but also having a chance to speak with Putnam and the director of the Lowell Observatory, Jeff Hall.

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Thu, April 30 2015

The Last Hours of MESSENGER

Today, the MESSENGER spacecraft will succumb to the influence of gravity and impact on the surface of Mercury

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Fri, January 16 2015

To Jupiter and Beyond: Pioneer 10 and 11

A full-size engineering model of the Pioneer 10 /11 spacecraft normally hangs in the Boeing Milestones of Flight Hall at the National Air and Space Museum. However, a few weeks ago it was removed and placed in the Mary Baker Engen Restoration Hangar at the Steven F. Udvar-Hazy Center in Chantilly, Virginia, while the Milestones gallery undergoes a major renovation in the coming months.

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Mon, December 8 2014

Keeping Watch on Venus

Venus has almost the same diameter as the Earth and is the next closest planet to the Sun. The similarity ends with the weather report, however. The surface temperature is more than 465 o C (870o F) and atmospheric pressure is 90 times that of Earth. The surface is hidden from view by a dense blanket of clouds, so we must use radar systems to “see” the landscape below.

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