The animation below illustrates how gravitational waves are emitted by two neutron stars as they first orbit each other and then coalesce. Though gravitational waves were predicted to exist in 1916, actual proof of their existence wouldn't arrive until 1974, 20 years after Einstein's death.
Uroabdomen can result from various causes, but the most common is related to trauma. Damage to the kidney, ureter, bladder, or urethra may cause urine to leak into the abdomen. Some common forms of trauma that can result in a disruption of the urinary tract in cats include:
Report Abuse. Ureters is the tube that gives urine to the bladder.Ureters connect the kidney and bladder.The bladder is a place where the urine is place and wait until it is let out.The urethra is a tube that let the urine out of the body to the bathroom.Source(s): My brain and 7 grade science book.Jacky Â· 6 years ago. Thumbs up.reters is the tube that gives urine to the bladder.Ureters connect the kidney and bladder.The bladder is a place where the urine is place and wait until it is let out.The urethra is a tube that let the urine out of the body to the bathroom. Source(s): My brain and 7 grade science book. Jacky Â· 6 years ago. Thumbs up.