Newly drafted research findings have provided the scientific community with a shocking revelation: a flight to Mars is far quicker and much cheaper if astronauts conduct a Venus flyby on the way.
Noam Izenberg, a planetary geologist at Johns Hopkins University, and other researchers have drafted a white paper on the topic titled “Human Assisted Science at Venus: Venus Exploration in the New Human Spaceflight Age,” which has been submitted for peer review.
However, the problem is that waiting for the planets to align in their orbits is time-consuming. In fact, the orbits of Earth and Mars only align suitably for a conjunction mission every 26 months.
The second option is called an opposition mission, in which a spacecraft “would slingshot past Venus, using the planet’s gravity to alter course,” Space.com explains.
“It’s preferable to fly by Venus for a gravity assist on the way to Mars,” Paul Byrne, a planetary geologist at North Carolina State University who also contributed to the white paper, told Space.com.
Another advantage to an opposition mission, according to the researchers, is that going to Venus first would allow astronauts to return to Earth earlier in the event that something were to go wrong.
“You … greatly simplify the logistics of going to Mars, especially from the perspective of crew health,” said Kirby Runyon, a planetary geomorphologist at Johns Hopkins University who is also an author of the white paper.
“There’s science at two planets for much less than the price of two separate crewed missions,” Byrne noted.
Even though robotic probes already have collected a plethora of information about Venus, a crewed mission could reveal even more valuable information on the planet.
“What humans can do better than robots is respond to observations on the fly,” Martha Gilmore, a planetary geologist at Wesleyan University who isn’t involved with paper, told Space.com.
Sourse: sputniknews.com
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