space Channel
- Will string theory be proven?
May 12, 2008
Should string theory prove correct, says Columbia’s Brian Greene, this might well be the unified theory that Albert Einstein was looking for. Hear Greene talk about the possibility of testing string theory.
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- See the Milky Way in the night sky
Apr 28, 2008
In a very dark sky, you can easily see a bright region of the Milky Way – the direction toward the galaxy’s center in the constellation Sagittarius. We cannot see the exact center of our Milky Way galaxy. It’s obscured by dark curtains of interstellar dust. Instead, you’re gazing at part of one of the prominent spiral arms of our galaxy, called the Sagittarius Arm.
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- Human space travel, or focus on Earth?
Apr 26, 2008
We have the technology for human space travel. But it’s more important to direct resources toward studying climate change here on Earth, says Frank Wentz of Remote Sensing Systems in Santa Rosa, California. Here’s why he thinks so.
- 4 comments | Read More »
- Why go back to the moon?
Apr 25, 2008
Plans are underway to establish a permanent human presence on the moon by the year 2020. NASA’s Pete Worden explains why he believes people should return to the moon.
- 31 comments | Read More »
- When will Smith’s Cloud collide with Milky Way?
Apr 20, 2008
In the far future, a giant cloud of hydrogen will collide with our Milky Way galaxy and help create thousands of new stars.
- Discuss | Read More »
- Halo star hints of long-ago hypernova
Apr 09, 2008
Astronomers have identified the telltale sign of a possible hypernova – a huge stellar explosion – in one of our galaxy’s oldest stars.
- Discuss | Read More »
Tonight's Sky
Ask a Scientist
- Why do stars seem brighter in winter?:
The stars seem so much brighter in the winter than in the summer.
- What's the youngest moon you can see?:
How young a moon can be seen with just your eyes?
- Why more Eta Aquarid meteors in southern hemisphere?:
- Red Spot is hurricane on Jupiter:
Why does the planet Jupiter have a big hurricane on it?
- Coincidence that moon keeps one face to Earth?:
If it’s not a coincidence, what caused this?
- Why is Mars sometimes bright and sometimes faint?:
Mars is so faint it is hard to see. Last year it was very bright. What causes this?
Blogs In Space Category
I saw another "UFO", maybe two
by Larry SessionsI saw another UFO Saturday night. Once again in the car headed west, I spied a bright starlike object in the reddish post-sunset sky, low to the mountains. It was…
- 5 Comments | Read more »
Lunar eclipse in bozeman
by Beverly SpicerI received this beautiful image today over email with the following description: "This image was made by Chad Trettin, a photographer based in Bozeman, Montana. His original message…
- 10 Comments | Read more »
- Why not the "Clarke Event?"
by Larry SessionsWhile most of us slept on the morning of March 19, hours before the death of famed science fiction author Arthur C. Clarke was announced, a shot rang out in…
- 22 Comments | Read more »
Earth and moon as seen from Mars
by Deborah ByrdIf you were peering through a telescope, from the vicinity of the red planet Mars, you might see something like the image at left. Earth was 88 million miles from Mars…
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- The worldwide telescope coming in march
by Beverly Spicer***"We may be tiny, but we are truly, wonderfully significant"*** Roy Gould, researcher at the Harvard Center for Astrophysics, gave a presentation on TED TALKS announcing the arrival this…
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