Science

The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.

Typically, cloud cover does not exceed 1% of the moon's surface, but periodically it can increase up ...

It is therefore the second densest moon in the Solar System, second only to the moon Io.

Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).

The most recent theory proposes that both Phobos and Deimos shared a common progenitor that shattered upon collision with another object, forming two Mars satellites.

They occur in all climatic zones, mainly on land, but also in water, both salty and fresh.The actual ...

It is about 109 times larger than the Earth and its mass is approximately 333.000 Earth masses. The Sun accounts for about 99.86 percent of the mass of the solar system.

Medium-intensity aerobic exercise is considered the most effective.

The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.