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It's always nice to get good news from one's alma mater (instead of the usual begging letters from the development foundation). Where I went to school (University of Colorado), astronomy, planetary science, and space sciences research have always been Big Things. I did my graduate studies while serving on a team that worked with an HST instrument (the Goddard High Resolution Spectrograph), and also did some work on comet images under a Halley Watch grant. One of the folks who I overlapped with at CU is Alan Stern, now Associate Administrator of NASA's Science Mission Directorate, and an old friend. At CU he worked with the Center for Space and Geoscience Policy, before leaving to work at Southwest Research Institute. A number of other missions had CU relationships, including some involving other members of the Laboratory for Atmospheric and Space Physics (where I worked), Joint Institute for Laboratory Astrophysics (I worked there as an undergraduate), and a variety of other research institutes at CU.
Artist concepts of a Naval Observatory Proposal involving CU-Boulder to place a carpet-like radio telescope on the moon to probe the earliest structures in the universe. Image courtesy CU-Boulder, NRL
Suffice to say, I was pleased to see a press release today outlining a pair of projects that NASA and the Naval Research Laboratory has selected for further funding and development that both involve people and institutions at CU. The first is for a space observatory to find Earth-like planets in distant solar systems. The other is for a unique type of low-frequency radio telescope on the far side of the Moon. Astronomers would use it to look for some of the earliest structures in the universe. Both are very worthy projects and I'm pleased to see my home university continue its winning streak in astronomy and space science. (Read more details here.)
Both projects should give undergraduate and graduate students first-hand experience in designing instruments AND doing science, something that attracted me back to graduate school in the first place (lo these many years ago). While CU isn't the only university that gets these grants and makes opportunities available, it has been a leader for many years in this area. I can't think of Duane Physics tower or the LASP building or the JILA towers without remembering all the really smart, really great scientists who came out of those labs and who are making solid scientific contributions today. There are whole new generations of instruments and projects waiting for new generations of student scientists. And that's good news for science and for old alums like me.
So Easy Even a Writer with a 5 Megapixel Camera Could Do It
Okay, so it's freezing cold here, but the sky has been remarkably clear tonight. So we went out to look at the eclipse. It's beautiful, and as I write this, the Moon is moving out of totality. It's still a pretty brick-red color and as it moves out of the shadow, that color will fade over the next hour. Now, I'm sure that there are lots of really decent astrophotographers out there who will be posting their stunning images of the event.
I am not one of those astrophotographers, but I was still bitten by the camera bug and decided to see what my little HP Photosmart could do. So, I attached it to a little $9.00 hiker's tripod I bought on ThinkGeek.com a while back, and set the camera for no flash, biggest zoom, and high resolution. This is the result.
Not stunning, but hey, it does show that if I can come up with an image of the Moon that isn't TOO blurry (given the long exposure, etc.), then anybody with a little camera and a little tripod can do it, too. Just the same, be sure and do some searching on the Web over the next few days for "lunar eclipse photos" to see what the folks with the big cameras can do!
In case you haven't been near a computer or newspaper for a while, there's a total lunar eclipse occurring tonight in the Western Hemisphere (early morning for Europe and Africa). This "moon darkening" event occurs because the Moon temporarily moves through Earth's shadow. The Moon won't go completely dark, but turn smoky grey to reddish in color; it's still lit up by indirect sunlight, which is why we can see it.
This is one of those celestial events that you can watch from your house (or backyard), but if you're craving a social experience, call your local planetarium and/or public observatory and see if they're planning an eclipse-watching party. There's more information about the eclipse at Sky and Telescope's page. You can also check out Astronomy Magazine's page and for the ultimate in eclipse-o-phile info, go visit MrEclipse.com.
Now, chances are that some parts of North America (at least) will have cloudy conditions for all or part of the eclipse. But, check it out anyway. Your local weather may clear just in time!
I woke up this morning thinking about the latest discoveries of planets around other stars. Astronomers are using a variety of techniques to find them, and totals are racking up quickly. Most of the planets that have been found are "Jupiter-like," meaning they are gas giants with huge atmospheres. They're relatively easy to find because of their size. Worlds like Earth (the terrestrial worlds) are smaller, and tougher to spot. But because astronomers have been able to spot the environments in which planets form around stars (that is,in clouds of gas and dust), it's pretty likely that there are many terrestrial planets out there, too. We just have to dig into those clouds and come up with the planets. Which will take time and some sophisticated astronomy search methods.
Yesterday, the Spitzer Space Telescope folks released news that Earth-like planets might form around many of the closest Sun-like stars.This orbiting telescope, which is sensitive to infrared light (think "warmth") was used to study dust envelopes around nearby stars. These are warm places. Dust closer to the star is hotter than dust farther away from the star, the warm dust is a fair indicator of the types of materials that form rocky planets—that is, Earth-like worlds.
Such discoveries always lead to the old question, "Is there life out there?" It's a fair one to ask. For now, the definitive answer is "No." But, that's because we haven't seen the evidence for any other life out there. Yet. We don't have communications from that life, or pictures of it, or any other manifestations of it that we recognize as a definite "signal." But, if it's out there, there's some chance that we'll detect it. Some day.
So, what I woke up thinking about was what life on OUR planet will be like once we discover life somewhere else. Will it change us in some non-physical way? Will our thinking change about life? About politics? Religion? Education? Science? The way we treat our own planet?
Life from "Out There"—Threat or Learning Experience?
The concept of life elsewhere is a major staple of science fiction stories. Depending on the story being told, the life from "out there" can be threatening, friendly, super-intelligent, simple, primitive, or depicted as being far beyond what we can comprehend. In reality, the life we find beyond Earth will likely be some combination of these factors, and perhaps look nothing at all like what we expect. How that life will act? Well... like we do with our deities, humans have painted aliens with a palette of characteristics that we most admire and/or fear in ourselves. When we DO get to meet other forms of life, the experience may teach us a bit more about respecting the life forms we share Earth with.
Wonder about why I say that? Consider for a moment what humans and human activity (such as whaling) looks like to the cetaceans that inhabit our planet. Or, think about what our planet might look like to alien visitors who come in search of us and they find how we've treated our environment.
These may be extreme examples, but the point I'm trying to make here is that the search for intelligent life (and other planets) isn't one-sided. If there's somebody out there looking for life elsewhere, and they find US, will we inhabit their worst nightmare or exemplify their fondest wishes? Either way, the possibilities are thought-provoking.
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