Mars: Hellas Planitia. The largest visible impact crater in the Solar System is Hellas Planitia on Mars, a giant depression with a floor over seven kilometres (4.3 miles) below the Martian surface.
Dimensions. The recommended size for one parakeet is 25 inches tall and 25 inches deep. To house two birds comfortably, you should double that cage size to make it at least 50 inches tall and 50 inches deep.If you can afford it and have enough space, opt for a bigger cage.all cages work best for parakeets. This type of bird really likes to fly around and hop from place to place. If you can, choose a cage that exceeds the height recommendation of 50 inches.
While waiting for eggs to hatch, only the female will sit on them. She will do that for about 18 to 19 days when the first bird should hatch. The eggs need to be in a temperature close to the body temperature of the mommy parakeet.That would be 40 to 43 degrees Celsius (104 to 110 degrees Fahrenheit).hile waiting for eggs to hatch, only the female will sit on them. She will do that for about 18 to 19 days when the first bird should hatch. The eggs need to be in a temperature close to the body temperature of the mommy parakeet.