Radar images of asteroid 1998 QE2, taken when the cosmic traveler was about 3.75 million miles from Earth, revealed that the asteroid, with a 1.7-mile diameter, has a moon or satellite revolving around it.
An asteroid nine times the size of a cruise ship is dropping by Earth on Friday, and it's not coming alone. Asteroid 1998 QE2 will be about 3.6 million miles from our planet at its closest approach. And its proximity has already given scientists a surprise: It has its own moon, measured at about 2,000 feet wide.
It's not every week you get to hear me go full-on fan-crazy. (Okay, it's some weeks, but usually not about the people who are in the studio.) But this week, I am extra-excited because Stephen Thompson and I are joined for our pop-culture roundtable podcast by Gene Demby and Kat Chow, both from NPR's race, ethnicity and culture team that writes the Code Switch blog.
"Authorities, including the FBI, questioned a New Boston, Texas, man Thursday night in connection with an investigation of ricin-laced letters sent to government officials, including President Barack Obama," KSLA-TV in Shreveport, La., reports.
A construction worker paints walls at the Maryland Proton Treatment Center in Baltimore. Each of the center's five rooms will contain a massive piece of equipment that will rotate around a cancer patient to deliver a special kind of radiation.
When it comes to reining in health care spending, it still seems like each hospital administrator thinks the guy at the other hospital should do it.
Hospitals are still racing to offer expensive new technology — even when it hasn't been proved to work better than cheaper approaches. Case in point: proton beam therapy, a high-tech radiation treatment for cancer.