A star cluster is a group of related stars usually held together by gravity. Globular clusters are densely packed groups of hundreds of thousands of very old stars. Open clusters are smaller, scattered groups of younger stars. Until recently, astronomers wrestled with a great cosmological mystery: according to theories of stellar evolution, it appeared that some globular clusters were actually older than the universe itself. How was this paradox resolved?
William Makepeace Thackeray
Back in the day
The US House of Representatives impeached President Clinton on December 19, 1998, charging him with perjury and obstruction of justice during investigations into the scandal involving his relationship with White House intern Monica Lewinsky. In 1999, two impeachment counts were tried in the Senate, which voted to acquit Clinton. Who is the only other US President to have been impeached?
Born on a day like today
Estep was an American Baptist historian, author, and professor of Church history. He was considered to be one of the world's leading authorities on the Anabaptist movement, a Christian sect that rejects infant baptism and practices the ritual of believer's baptism only after a person has made a declaration of faith. Estep wrote numerous works on subjects such as Baptist and Anabaptist history, religious liberty, and world missions. At what theological seminary did he teach?