-- It rotates 15 degrees per hour.
-- Most places on its surface experience daylight and darkness on a 24-hour cycle.
-- It could be the Earth.
That tells us that the planet has almost the same day length as the Earth does. (The Earth rotates once in 23 hours 56 minutes.)
1 rotation.
uranus
Uranus.
Mars. It has a very similar axis tilt and rotation period.
This must be Uranus. "On its side" isn't a very scientific way of putting it. It means that the planet's axis is tilted at about 90 degrees (98 degrees actually) from the perpendicular to its orbital plane.
A planet rotates on its axis a point which travels through the north and the south of the planet. On earth the axis is found at the north and south pole of the earth.
Venus
Uranus is the only planet which rotates on its side, with an axial tilt of 97.86 degrees.
uranus
The planet Uranus rotates on an axis that is tipped about 90 degrees to the ecliptic.
It rotates on its axis.
The Earth rotates on its axis in one day. Strictly speaking that's the "sidereal day" not the "solar day". Also, by definition, each planet rotates once in a period that's the "sidereal day" for that particular planet.
Uranus.
Venus has the slowest rotational period- 243 days to rotate once.
There is no such planet known. The planet with the longest rotation period is Venus. That rotates in about 243 Earth days.
The planet with the highest rotational speed in our solar system is Jupiter, with a period just under ten hours.
The planet Mars rotates once in about 24 hours and 37 minutes.
Pretty much every planet has an axis, because an axis is what a planet rotates around. Any planet that rotates has an axis, and pretty much every planet known rotates.