With this he systematically observed Venus, Mars, Jupiter and Saturn.

That night, a few hours before reception, Breck is observing Mars through a telescope when the planet begins to flash brightly.

Originally, the spacecraft was intended to observe Mars for 1 Martian year (approximately 2 Earth years).

They included unmanned flights to observe Venus and Mars, the development of militarily and commercially important weather and communications satellites and technical innovations in aviation.

In her years in the industry, Ms. Fennelly has had plenty of time to observe Mars and Venus in the workplace.

His records indicate that he began observing Mars through a telescope in September 1610.

He observed Mars and was a sceptic of the notion of Martian canals.

From 1899 until 1903 he observed Mars at the Meudon Observatory and reported some details visible on its surface.

In 1877 he observed Mars and created a detailed map of its surface features.

He also observed Mars and developed the theory that the Martian canals were not real but an optical illusion, a theory that was later confirmed.