Large bright light stationary at first and then began to move slowly, disappeared after 20-30 seconds of moving

9:54 pm on 7/27/23: My mother and I were sitting outside on her porch talking when she asked "Is that a tower?" and pointed to sky. I turned around to look and said "Oh, no that's Venus." It appeared like a stationary bright light/planet. Then after about 5 seconds the light began to move. I realized then that the planet Venus was farther up in the sky and this was something else. The light began to move downward in the sky slowly and then appeared to slowly begin moving away from us in the sky. As it continued to move it became larger. The light was white and was many times larger than the planet Venus appeared in the sky. After the object continued to move (appeared to be moving away from us) for about 15 seconds it disappeared. I thought it may have gone behind a cloud but because it was dark I could not tell if there were any clouds. Local radar had skies clear when I checked and the light never reappeared after it disappeared. I checked the Flight Radar app but there was no air traffic in the surrounding towns. There was no sound like there is when a small plane flies over the area. I can't estimate altitude because it was below Venus in the sky and then appeared to move further down and then away as the light got larger. It was very odd. No other lights such as FAA flashing lights were seen. The fact that it disappeared was particularly odd.