committee investigating the house insurrection. five congressmen are subpoenaed including kevin mccarthy. and new evidence of possible war crime in ukraine. an exclusive on the general who ordered some of those acts of brutality. announcer: live from cnn. russia is reacting to finland s announcement that it homes to join nato with threats of retaliation. former president dmitri medvedev warns that it would strengthen its western flank. they called it a radical change in policy and a treaty vial participation will bring consequences. philipish leaders say their finnish leaders say it is a drastic change in the security environment after ukraine. helsinki admits there are no direct military threats right now and its extremely long border with russia is secure. finland has been a member of the european union since 1995. for years we ve been a very close partner to nato. so in that sense, this will not be such a major one and maybe it is not as big as people might think.
the center of our swirling galaxy. it is 27,000 light years from earth and astronomers say this black hole is 4 million times more massive than our sun. black holes themselves don t emit light, so what are you seeing is the glow of light by its crushing gravity. all of these telescopes work together like a team and everybody looked at that ese sources at the same time and everybody worked together to create the earth-sized telescope so that we could create such an incredibly high resolution image. even though it is massive, it is cosmically puny, 1,000 times charger than m-87 which is seen