5 reasons Mars still has scientists hooked after all these years

Of all the planets visible from Earth, Mars has always felt different. Its soft red glow has caught the eye of sky-watchers for centuries– distant, quiet, and strangely familiar. Even today, with everything we’ve learned, Mars still feels unfinished– a planet full of gaps in the story. Dry valleys, restless dust storms, and icy winds only add to its mystery. The more we discover, the more it leaves us wondering.

Here’s an interesting look at why Mars still has our attention– and why it probably always will.

The space between Earth and Mars doesn’t stay the same. Both planets move in wide, oval-shaped paths around the Sun. Depending on where they are in those paths, they grow closer or drift farther apart. Most of the time, Mars is about 227 million kilometres away. But during certain alignments, that distance can shrink to nearly 54 million kilometres. These alignments happen about every 26 months.

There’s no single answer to that. Travel time to Mars depends on many things– the launch window, the spacecraft’s speed, and the route taken. Typically, reaching Mars takes six to nine months. But in 1969, one mission– Mariner 7– reached the planet in just 128 days, a record that still stands today.

Time on Mars moves at a pace we can understand. A full day, known as a sol, lasts 24 hours, 39 minutes, and 35 seconds. That’s only slightly longer than a day on Earth. This similarity has made it easier to plan surface operations, especially when working with equipment that runs on strict schedules.

Mars has been on the radar of space programs for decades. Early missions in the 1960s were launched by the Soviet Union, but the first successful flyby came from NASA in 1965, with a spacecraft named Mariner 4. Years later, in 2013, India made history by sending Mangalyaan into Mars’ orbit– and doing it successfully on the first try.