NASA Has Approved the Dragonfly Rotorcraft Mission for Titan.

NASA has approved the Dragonfly mission for Titan, Saturn’s organically rich moon. This approval will allow for the entire design and development process of the vehicle, followed by the construction and testing of the vehicle and scientific equipment. NASA Headquarters Deputy Director of Science Missions, Nicky Fox, said, “Dragonfly is a fascinating science mission that captures the public’s imagination, and we are excited to take the next steps in this mission. Exploring Titan will push the boundaries of our world.” The mission successfully passed its Preliminary Design Review in early 2023. Subsequently, an updated budget program was developed to fit the current funding environment. The updated program was submitted and approved in November 2023. It was announced that the cost of Dragonfly would be $3.35 billion, and the launch date would be in July 2028. This budget reflects an increase in costs of approximately half a billion dollars from the proposed budget. Delays in the project were due to financial processes. To compensate for this, NASA provided additional funding to shorten the cruise phase of the mission.
The vehicle, scheduled to arrive at Titan in 2034, will fly to various locations on the planet to search for prebiotic chemical processes. The vehicle has eight rotors and flies like a large drone. Titan’s atmosphere, about four times denser than Earth’s, will help the vehicle travel up to 8 km in a Titan day (equivalent to 16 Earth days). Dragonfly is expected to travel more than 170 kilometers during its 32-month mission, a distance greater than all of NASA’s Mars and Earth-Moon rovers combined.

NASA Will Measure Earthquakes at the South Pole of the Moon

NASA aims to return humans to the Moon in 2026. This goal, which is intended to be achieved within the scope of the Artemis 3 mission, will be NASA’s first human journey to the Moon after 1972. For this mission, NASA will also carry various payloads to the Earth’s satellite. One of the first three potential payloads selected by the agency for the Artemis 3 mission will be an autonomous seismograph called the Lunar Environment Monitoring Station (LEMS). The autonomous seismograph LEMS will be designed to withstand harsh and long lunar nights. The system will continuously monitor ground movements caused by Moonquakes in the region around the south pole of the Moon, where the Artemis 3 astronauts will land. According to the statement made by NASA, LEMS is expected to operate on the lunar surface for at least three months and a maximum of two years. With this instrument, the agency wants to achieve the ability to measure the Moon’s geophysical activity without assistance for long periods of time. It is known that there are earthquakes on the Moon through seismometers and seismographs placed during the Apollo missions between 1969 and 1972. However, Apollo seismic data are based on the Moon’s near-equatorial region facing Earth. Almost all currently planned international Moon missions aim to go to the Moon’s south polar region. There is no seismic data about this place. This poses a risk for NASA and others who want to stay on the Moon long-term. To understand this risk and proceed accordingly, researchers led by planetary scientist Mehdi Benna of the University of Maryland Baltimore County set out to develop a self-sustaining station. According to the statement, the team also received funding from NASA in 2018 to make LEMS ready for flight. Some studies show that the Moon’s seismic activities are higher than expected and earthquakes last longer than on Earth. Although one of the main causes of moonquakes is the gravitational force between the Moon and the Earth, extreme temperature changes on the Moon’s surface also trigger earthquakes.

Scientists Continue Venus Exploration

A new paper has been published emphasizing the importance of studying the atmosphere and terrestrial structure of Venus. It is said in the article that the results of the current studies are expected to lead to future developments in issues such as habitability and climate evolution. If you want to learn more, you can check out the rest of our news or access the full article from the link.

One of the main focuses of the planetary science and astrobiology community is to understand the various factors that control the evolution and sustainability of temperate surface environments such as Earth. The few significant terrestrial planetary atmospheres in the Solar System provide a critical resource for research on this topic, and these models can be applied to extrasolar planets. Recent decade-long reviews of astronomy, astrophysics and planetary science and astrobiology emphasize the importance of improving the understanding of planetary habitability in the context of astrobiology. Differences in the climate evolution of Venus and Earth provide an important accessible basis for understanding how the habitability of large rocky worlds evolves over time and what determines the limits of habitability. In this context, Venus can be considered a “reference point” for understanding the evolution of the terrestrial planets. We discuss the main factors shaping the evolutionary paths of Venus and Earth, how we can assess their overall impact, and measurements to better understand their influence on the history of these worlds. We also highlight the importance of Venus in the context of recent decadal surveys and how the reports generated by this community can shape the exploration of Venus in the decades to come. Overall, Venus sets a vital precedent for advancing our understanding of planetary habitability and setting the direction for future research and exploration efforts.

Link: Venus as an anchor point for planetary habitability | Nature Astronomy

This Week in Our Art Corner

Unknown Planets On Streets Space Art Project

Space has always captivated humanity’s curiosity and imagination. The role of art in this endless journey of exploration is not only to push the boundaries of creativity, but also to provide meaning and inspiration beyond science. It is precisely at this intersection that Gumballbrain’s space art project offers an impressive synthesis of science fiction and art. He shares with art lovers the planet-like images he sees in places that can be considered part of our daily lives. Gumballbrain’s works focus on the search for other planets and civilizations in the universe, while revealing how imagination and creativity shape the vast universe. By depicting different worlds and alien life forms, the artist takes the viewer to the depths of space and unknown lands. This art project is not only a visual feast, but also allows us to imagine our existence in the universe and our potential neighbors. Gumballbrain’s works invite the viewer to transcend the boundaries of the universe and perhaps question the meaning of our own existence.
Space art celebrates the magic and mystery of the universe while keeping humanity’s sense of exploration and wonder alive. Gumballbrain’s space art project offers unique guidance to the viewer on this magical journey of discovery and reflects the endless excitement and inspiration of the search for other planets and civilizations in the universe.