According to "Future of Space Exploration Could See Humans on Mars, Alien Planets," what are the main purposes of the 100-Year Starship project? Choose two options.

d. To encourage public enthusiasm for travel beyond our solar system.

e. To develop the new technology needed to travel beyond our solar system.

f. To develop new technologies that will help improve everyday life here on Earth.

Explanation:

There are various purposes of the 100-Year starship project. It aims to develop a new technology and tool which can help spacecrafts travel to another solar system within the next 100 years.

It is believed that this project will develop new technologies that will help improve everyday life here on Earth because new explorations may often lead to discovery of new innovations for Earth.

The article also seeks public enthusiasm and support for such an endeavour because the author believes that public will and commitment is the greatest source of inspiration.

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.