As Mars reaches its closest approach to Earth in more than a decade tonight (May 30), you can watch the Memorial Day Martian event live online through the Slooh Community Observatory.
The broadcast starts at 9 p.m. EDT (1 a.m. UTC) and can be viewed live on the Slooh website. Viewers can send questions to @Slooh on Twitter, or chat live with the team on Slooh.com. The webcast will also be available here on Space.com.
Mars has always been a source of fascination: The planet is watched over by a fleet of spacecraft; NASA is developing plans to send humans for a visit, and Mars features heavily in pop culture, including the hit movie “The Martian”last year. Its distance from Earth can vary between 33.5 million miles (54 million kilometers) and 249 million miles (400 million km) depending on where the two planets are in their respective orbits. [First Mars, Then Saturn – It’s An Opposition Party! (Video)]
Every 26 months, Earth and Mars come to the closest approach in their orbits. During the period between Mars’ closest and furthest points, the Red Planet’s size changes sevenfold from the perspective of Earthbound observers, Slooh officials said in the statement.
The Slooh show will include discussion about Mars science, the planet’s cultural significance and also the chances for life on the Martian surface. Berman will co-host the broadcast with fellow Slooh astronomer Paul Cox. The show will also feature Nicole Willett, of the Mars Society, who will talk about the planet’s potential for exploration and settlement.
Mars is a point of interest for NASA because of the planet’s potential for past or present life. In the past year, scientists have discovered that liquid water currently flows on the Red Planet’s surface. The Curiosity rover has been tracking methane levels from the surface, and a newer mission called MAVEN (Mars Atmosphere and Volatile Evolution Mission) is looking at how fast the Martian atmosphere bleeds into space. NASA will land humans on Mars in the 2030s, if current plans come to pass. (Previous human Mars initiatives have been canceled.)
The commercial spaceflight company SpaceX announced in April that it would send a robotic craft to Mars as soon as 2018, with manned flights to follow. A few years ago, a private organization called Mars One announced plans to send a crew of astronauts on a one-way journey to the Red Planet’s surface.
That mission is still decades out, but Mars One has selected finalist astronauts and is trying to secure funding and figure out the technology for the construction of the mission base. The company has said it expects robots to complete that construction.
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