Tag Archives: space science

Announcing the Publication of “Hubble’s Legacy: Reflections by Those Who Dreamed It, Built It, and Observed the Universe with It”


David H. DeVorkin and I have just published a collected work on the history of the Hubble Space Telescope. Hubble’s Legacy: Reflections by Those Who Dreamed It, Built It, and Observed the Universe with It appeared in August 2014 (ISBN 978-1-935623-32-8) as part … Continue reading

Posted in History, Science, Space | Tagged , , , , , , , , , , , | 2 Comments

Curiosity’s Remarkable Findings after Two Years


Since the 1960s humans have been engaged on a concerted effort to understand Mars. The landing of Mars Curiosity on the surface in the early hours of August 6, 2012, is the latest effort to learn about one of our … Continue reading

Posted in Science, Space | Tagged , , , , , | Leave a comment

Announcement: The Search for Life in the Universe


For those in Washington, D.C., on July 14, 2014, check out this opportunity to learn about the possibilities of life beyond Earth. It is available live at the NASA Headquarters and on-line from NASA TV.

Posted in Science, Space | Tagged , , , | Leave a comment

Three Zones of the Solar System


The solar system consists of the Sun and the objects bound to it through gravity. This includes the Sun, eight planets (since 2006 when Pluto was redesignated as a dwarf planet), their 158 currently known moons, and a large number of … Continue reading

Posted in Science, Space | Tagged , , , , | Leave a comment

Extremophiles, Surveyor III, and the Possibility of Life Beyond Earth?


One of the most unusual stories of the U.S. lunar landing program of the 1960s involved the Surveyor III camera that journeyed to the Moon on April 20, 1967, and sat exposed on the lunar surface for 31 months before … Continue reading

Posted in Apollo, History, Lunar Exploration, Science, Space | Tagged , , , , , , , , , , , , , , , , , , , , | 3 Comments

The Transit Program and the Origins of Nuclear Power Systems for Spaceflight


Since the dawn of the space age more than 50 years ago, the United States has pursued a variety of methods for delivering electrical power to spacecraft in flight. Nuclear power systems are the only ones that have been found … Continue reading

Posted in History, Politics, Space | Tagged , , , , , , , , , , , , , , , , , , | 1 Comment

That Was the Year That Was: Civil Space 2013


We say this about every year, but 2013 was memorable in so many ways that I cannot begin to catalog them all. As a result, let me confine my remarks to three accomplishments that I consider the most significant taking … Continue reading

Posted in Space | Tagged , , , , , , , , , , , , , , , , , , , | 1 Comment

Rationales for Human Spaceflight after the Shuttle


I originally published this piece in Space News on February 11, 2013. The original may be read here. One respondent to it on April 15, 2013, thought I downplayed the importance of human spaceflight in the pursuit of scientific understanding … Continue reading

Posted in Space | Tagged , , , , , , , | 12 Comments

How Have We Constructed the Origins of the Solar System Over Time?


Where did the solar system come from? Why and how? What accounts for its evolution over time? Those questions have plagued scientists, philosophers, theologians, and other thinkers from the point where humanity first realized that Earth was part of a … Continue reading

Posted in History, Science, Space | Tagged , , , , | 9 Comments

Protesting Cassini’s Launch


The Cassini space probe—the largest interplanetary probe ever launched, weighing 6.3 tons, and extending 22 feet in length—was a joint NASA, European Space Agency (ESA), and Italian Space Agency (ASI) mission to study Saturn and its rings, moons, and magnetic … Continue reading

Posted in History, Personal, Politics, Science, Space | Tagged , , , , , , , , , , , | Leave a comment