No. If you saw a drawing of it on a piece of paper,
you couldn't tell that it's not a circle.
Not by any important amount. But it has been shifted around a bit, and some of it has gotten polluted.
Elliptical machines are a good start, and can give a beginner quite a workout.
An elliptical shape tends to be an oval, but a little bit rounder. For An Example: imagine a cross between a circle and an oval and you should get the general picture as to what its supposed to look like
A bit of history how did Columbus described earths shape?
NordicTrack Elliptical Trainers come with just one year warranty which makes one feel a bit insecure. The second drawback of owning this type of trainers is the lack information about its durability.
It's the other way around; the Earth goes around the Sun. The Earth is in an elliptical orbit (but not very elliptical; only about 3% difference from a perfect circle) so the speed of the Earth's movement around the Sun varies a bit. It's moving fastest around January 4, when the Earth is closest to the Sun (called "perihelion"), and moving slowest in early July, when the Earth is farthest away (which we call "aphelion"). But on average, it's moving about 67,000 miles per hour in its orbit.
The orbit of Earth around the sun is mostly circular but a little bit oval like. The Earth takes 365.26 days to revolve around the sun.
All orbits are elliptical. Some, like Earth's are ALMOST circles, but every orbit has at least a little bit of eccentricity.
An elliptical galaxy is a galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless brightness profile. The galaxies range in shape from nearly spherical to highly flattened and have hundreds of millions to over one trillion stars.See link for more information
The temperature and pressure in the sun are just a bit higher than anywhere on Earth.
When a planet moves around a star, it causes the star to wobble a bit from side to side as planets follow an elliptical orbit rather than a circular orbit. Astronomers can then use this fact to see whether stars have planets.
Mercury has no real atmosphere, so it's a bit like the moon in that respect. Venus has a very thick atmosphere of mainly carbon dioxide, it has a huge surface pressure of around 93 bar, around 93 time that of earths. Earths atmosphere is mainly nitrogen (79%) and oxygen (20%) with some carbon dioxide (1%) roughly speaking. Mars has a thin atmosphere, mainly carbon dioxide.