Sauropod dinosaurs emerged in South America some 230 million years ago, but despite living during the supercontinent Pangea it took them 15 million years to reach Greenland – when it should have taken 20 years. A team from Colombia University suggests a ‘climatic phenomenon’ may have allowed the enormous creatures to finally make the journey. … Read more
Sauropod dinosaurs emerged in South America some 230 million years ago, but despite living during the supercontinent Pangea it took them 15 million years to reach Greenland – when it should have taken 20 years. A team from Colombia University suggests a ‘climatic phenomenon’ may have allowed the enormous creatures to finally make the journey. … Read more
Discovery of pulsars British astronomer Dame Jocelyn Bell Burnell was the first person to discover a pulsar in 1967 when she spotted a radio pulsar. Since then other types of pulsars that emit x-rays and gamma rays have also been spotted. Pulsars are essentially rotating, highly magnatised neutron stars but when they were first discovered … Read more