Author: Robert Zimmerman

NASA submits its Heavy Lift rocket proposal to Congress

1:10 am

NASA has submitted its Heavy Lift rocket proposal to Congress. However, NASA also noted bluntly that:

“Neither Reference Vehicle Design currently fits the projected budget profiles nor schedule goals outlined in the Authorization Act.”

In other words, they can’t build it for the money or in the timeframe they’ve been given by Congress.

Didn’t someone say this already? Several times?

One comment

The climax to The Roaring Twenties

8:00 pm

An evening pause: The Roaring Twenties (1939). Humphrey Bogart and James Cagney were often cast as gangsters. However, their film personas’ were very different. Bogart’s characters generally showed a trace of weakness in his soul, while Cagney’s characters were rock solid no matter how much things fell apart. The finale of this classic Hollywood film, in which each man dies, illustrates this difference quite starkly.

Leave a comment

New results from the Sloan Digital Sky Survey

2:07 pm

From the second press conference at the AAS meeting today, results from the Sloan Digital Sky Survey, which has been surveying the sky in incredible detail over the past eleven years:

  • The largest digital color image of the heavens, covering one third of the sky, imaging a half a billion stars and galaxies. Despite looking the sky in wide-field view, the data also has incredible close-up detail. This has and will continue to provide astronomers a precise baseline reference for future research.
  • A 3D reconstruction of the local galactic neighborhood, showing the three dimensional position of the visible galaxies within a billion light years. They plan to use the new Sloan color image above to further extend this 3D reconstruction out to seven billion light years.
  • The largest map of the Milky Way’s outer regions, showing the streams of stars captured from other galaxies, absorbed in the past galactic mergers that formed the Milky Way.

All this data will be available for anyone to dig around in.

Leave a comment

New discoveries by Planck

1:00 pm

From the first press conference at the AAS meeting today, focused on recent discoveries from the European space telescope Planck:

  • has identified 10,000 cold spots in Milky Way, all believed to be places where stars will soon begin to form. They range widely in size, and are from 30 to 10,000 light years from us.
  • Planck’s all sky survey has found 189 giant galaxy clusters, 20 of which are newly discovered. “The largest gravitationally bound objects in the universe.” Very hot, filled with hot gas.
Leave a comment

Fermi detects beams of antimatter produced above thunderstorms on Earth

8:45 pm

More from the AAS meeting: The Fermi Gamma-Ray Space Telescope has detected beams of antimatter produced above Earth’s thunderstorms. Key quote:

Scientists think the antimatter particles were formed in a terrestrial gamma-ray flash, a brief burst produced inside thunderstorms and shown to be associated with lightning. It is estimated that about 500 such flashes occur daily worldwide, but most go undetected. . . . The spacecraft was located immediately above a thunderstorm for most of the observed terrestrial gamma-ray flashes. But, in four cases, storms were far from Fermi. In addition, lightning-generated radio signals detected by a global monitoring network indicated the only lightning at the time was hundreds or more miles away. During one flash, which occurred on Dec. 14, 2009, Fermi was located over Egypt. But the active storm was in Zambia, some 4,500 kilometers (2,800 miles) to the south.

Leave a comment

Preliminary findings suggest that the Arkansas birds died from impact trauma

5:51 pm

Preliminary findings from the USGS National Wildlife Health Center suggest that the mass bird die-off that occurred in Arkansas was from impact trauma. Key quote:

The State concluded that such trauma was probably a result of the birds being startled by loud noises on the night of Dec. 31, arousing them and causing them to fly into objects such as houses or trees. Scientists at the USGS NWHC performed necropsies—the animal version of an autopsy—on the birds and found internal hemorrhaging, while the pesticide tests they conducted were negative. Results from further laboratory tests are expected to be completed in 2-3 weeks.

Leave a comment
1 … 1,061 1,062 1,063 1,064 1,065 … 1,120