Explanation:
Several planets are visible from Earth with the naked eye (without a telescope). These are often called the "naked-eye planets."
Planets Visible from Earth:
- Mercury – Visible near the horizon just before sunrise or after sunset.
- Venus – The brightest planet, often called the Morning Star or Evening Star.
- Mars – Recognizable by its reddish color.
- Jupiter – Very bright; often the second brightest planet after Venus.
- Saturn – Visible as a bright object; its rings need a telescope to see.
Key Points for Exams
- Total Naked-eye Planets: 5 (Mercury, Venus, Mars, Jupiter, Saturn).
- Brightest Planet in the Sky: Venus.
- Red Planet: Mars.
- Largest Planet: Jupiter.
Trick (Mnemonic) to Remember:
"My Very Merry Jungle Safari"
- M → Mercury
- V → Venus
- M → Mars
- J → Jupiter
- S → Saturn
Extra Tip for MCQs
- Brightest → Venus
- Reddish → Mars
- Biggest → Jupiter
- Rings → Saturn
- Closest to Sun → Mercury