Venus, is the brightest planet and third brightest natural object in the sky. It has an orbit closer to the Sun that the Earth, which it is mainly a daytime object and exhibits phases similar to the Moon. Galileo's observations of these phases supported heliocentrism, contrasting the geocentric model favored by the Church.
Tag: Mars
Mars
Enceladus Flyby 28 Oct 2015
On 28 October 2015 the space probe Cassini, which has been orbiting Saturn for the last 10 years, will pass within 50 km of the surface of Saturn's moon Enceladus. This is an extremely close approach by an interplanetary spacecraft (by comparison the New Horizons mission only got as close as 12,500 km above the surface of Pluto) and… Continue reading Enceladus Flyby 28 Oct 2015
Why is the Sky Blue?
Explains the scientific reasons behind blue skies on Earth. It contrasts Earth's atmospheric effects with those on the Moon, where the sky appears black due to a lack of atmosphere, and Mars, where a reddish-brown hue results from iron oxide dust.
Enceladus -Could there be life?
The Science Geek blog, launched in 2014, aims to make scientific topics accessible to non-scientists. Initial posts focus on the potential for life in the Solar System, especially on Mars and Saturn's moon, Enceladus. The blog was relaunched as "Explaining Science" in 2019, accompanied by a YouTube channel.
