What is the exact size of Mercury?
3,030 miles
Mercury’s diameter is 3,030 miles (4,878 km), comparable to the size of the continental United States. This makes it about two-fifths the size of Earth. It is smaller than Jupiter’s moon Ganymede and Saturn’s moon Titan.
What is the size of each planet?
In our system, we have 4 terrestrial planets, 4 gas giants, and a mysterious 9th planet….Planets In Order Of Size:
| Planet | Diameter (km) | Size relative to Earth |
|---|---|---|
| Mars | 6779 | 53% the size of Earth |
| Venus | 12104 | 95% the size of Earth |
| Earth | 12756 | 100% the size of Earth |
| Neptune | 49528 | 388% the size of Earth |
Why is Mercury the smallest planet?
Mercury is the smallest planet — it is only slightly larger than Earth’s moon. Since it has no significant atmosphere to stop impacts, the planet is pockmarked with craters.
What is Mercury’s nickname?
the Swift Planet
Yes, the planet Mercury has a nickname. It is called the Swift Planet because it is the fastest moving of the planets in our solar system.
What is the weight of Mercury?
3.285 × 10^23 kg (0.055 M⊕)
Mercury/Mass
Can humans live on Mercury?
Tough Place for Life It is unlikely that life as we know it could survive on Mercury due to solar radiation, and extreme temperatures.
Why can’t humans live on Mercury?
Scientists do not believe there has ever been life on Mercury. The atmosphere on Mercury is almost non-existant. Mercury is inhospitable and sterile. In order for life (as we know it) to exist, Mercury would need to have temperatures that allow liquid water to remain on its surface for long periods of time.
What is Earth’s nickname?
the Blue Planet
Earth has a number of nicknames, including the Blue Planet, Gaia, Terra, and “the world” – which reflects its centrality to the creation stories of every single human culture that has ever existed. But the most remarkable thing about our planet is its diversity.
What is mercury best known for?
Mercury is the smallest and fastest planet in the solar system. It is also the closest planet to the sun. It is named after the Roman messenger god Mercury, the fastest Roman god. The planet Mercury was known by ancient people thousands of years ago.
How heavy is a cup of mercury?
The answer is: The change of 1 fl oz ( fluid ounce ) unit of a mercury amount equals = to 0.88 lb ( pound ) as the equivalent measure for the same mercury type.
Is Mercury bigger than Earth?
ANSWER: Mercury is NOT bigger than Earth. More Info: Mercury is less than half the size of the earth with a mean radius of about twenty five hundred kilometers compared to the mean radius of the Earth, which is roughly six thousand four hundred kilometers.
What is Mercury’s size compared to other planets?
Size comparison of the Sun, planets, and dwarf planets. The radiuses of the celestial bodies in the image (from left to right): Sun. Approximately 695,700 km (432,300 mi) Planets (and moon) Mercury: 2,440 km (1,516 mi) Venus: 6,052 km (3,760 mi) Earth: 6,371 km (3,959 mi) Moon: 1,737 km (1,079 mi) Mars: 3,390 km (2,106 mi) Jupiter: 69,911 km (43,441 mi)
What is the mass of Mercury compared to Earth?
In fact, Mercury’s mass is approximately 3.3 x 10 23 kg (5.5% the mass of Earth) which means that its density – at 5.427 g/cm 3 – is the second highest of any planet in the Solar System, only slightly less than Earth’s (5.515 g/cm 3).
What is the size difference of Mercury compared to Earth?
How small is Mercury compared to Earth? Mercury has a diameter of 3,032 miles (4,879 km) making it a little more than one third the size of Earth. If Earth were the size of a baseball, Mercury would be about the size of a golf ball.