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Category Archives: Space and Astronomy
Pioneer Anomaly is no longer anomalous
Thanks to funding from the Planetary Society, of which I am a proud member, the “Pioneer Anomaly” has been definitively resolved. Physics has prevailed over speculation. Over the past 20 years, some people, including a few scientists, have looked at … Continue reading
Posted in Physics, Planetary Science, Space and Astronomy, Technology
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More on Pioneer Anomaly
This new information makes it pretty clear that the cause of the Pioneer Anomaly, that is the deviation of the Pioneer spacecraft from the trajectories dictated by gravity alone, is due to thermal sources internal to the spacecraft. A satisfying … Continue reading
Posted in Blog Entry, Physics, Space and Astronomy
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James Webb Space Telescope on Chopping Block
URGENT from Heidi Hammel: “The House Commerce, Justice, and Science Appropriations Subcommittee has proposed termination of the James Webb Space Telescope. Now is the time to contact your representatives in Washington, as well as members of the Appropriations Subcommittees, if … Continue reading
Reviving an old post: Will the Sun give us a reprieve from global warming?
In light of news that the sun may be heading into a quiet period like the Maunder Minimum from 1645-1715, it is time to revisit a blog entry from last year.
Discover Janet’s Planet
I just learned about a TV production that is sure to excite young viewers about the universe. Even though I’m not blogging much due to a fast-track book commitment, I decided to share this news release. (Source: http://www.seig-pr.com/janetsplanet.pdf)
Posted in media, Planetary Science, Space and Astronomy
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Review of First Contact: Scientific Breakthroughs and the Hunt for Life Beyond Earth
Review of First Contact: Scientific Breakthroughs and the Hunt for Life Beyond Earth by Marc Kaufman Simon & Schuster, $26.00, 224 pages, April 2011 Reviewed by Dr. Fred Bortz
Track Kepler’s Candidate Exoplanets with a new app
I’m not an app person, but when I got an e-mail from Hanno Rein of the Institute for Advanced Study at Princeton University suggesting that I look at a new iPhone/iPad app called “Kepler” to track the ever-increasing list of … Continue reading
Out of this world children’s science books
It’s been a while since I used this platform to toot my own horn, so I hope you don’t mind this pointer to an on-line profile.
Posted in about, Astrobiology, Planetary Science, Science, Science Books, Space and Astronomy
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Jim Elliot, discoverer of rings of Uranus, 1943-2011
One of the themes in my writing for young readers has been that a scientist’s achievements flow from the richness of his or her life, that s/he is more than his/her discoveries. So I share this obituary of Jim Elliot, … Continue reading
Posted in Planetary Science, Space and Astronomy
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Europa serves as guide star for Keck adaptive optics view of Jupiter
One of my greatest writing pleasures has been getting to know Heidi Hammel when I wrote her biography, Beyond Jupiter for the Joseph Henry Press “Women’s Adventures in Science” series. Among the many things we have discussed is the advance … Continue reading
Posted in Planetary Science, Space and Astronomy
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