1. Twinkling:

* Stars twinkle: They appear to flicker and change brightness due to the Earth's atmosphere. This is because starlight has to travel through the constantly moving layers of air, causing the light to bend and distort.

* Planets shine steadily: They don't twinkle as much because they're much closer to us. Their light is not as affected by atmospheric disturbances.

2. Brightness:

* Planets can appear brighter than some stars: This is because planets reflect sunlight, making them appear brighter than distant stars.

* Stars can appear brighter than some planets: Stars like Sirius and Vega are extremely luminous and will outshine most planets.

3. Position:

* Planets move across the sky: They appear to change their positions relative to the stars over time because they're orbiting the Sun.

* Stars stay in relatively fixed positions: They appear to maintain their relative positions to each other.

4. Using Apps and Resources:

* Planetarium Apps: Use apps like Stellarium or Star Walk to identify planets and stars in the night sky.

* Online Planetarium Resources: Websites like NASA's website or Sky & Telescope can help you learn about current planet visibility.

Important Note: The naked eye can be deceiving. Even if something seems to be twinkling, it doesn't guarantee it's a star. Some planets may appear to twinkle slightly due to atmospheric conditions. Always consider multiple factors to accurately differentiate planets and stars.