On September 3rd, 2025, Mars experienced a significant temperature shift according to NASA’s data from Curiosity Rover’s REMS instrument. It it weather station. The atmospheric temperature dropped from about –17 °C to –66 °C over a period of 2 days. This sudden decrease of approximately 49 °C raises questions about the factors contributing to such rapid changes on Mars. Curiosity’s data from REMS instrument was processed by iGadgetPro using official archive source.
Understanding this phenomenon requires a deep dive into Martian meteorology. Mars lacks Earth’s thick atmosphere, with an average surface pressure of about 610 pascals (approximately 0.6% of Earth’s). This thin atmosphere struggles to retain heat due to its low density, making it highly susceptible to rapid temperature fluctuations. A high-pressure system moving across a region could bring colder air from the polar caps, particularly during winter when expanding frost and ice increase surface reflectivity and contribute to cooling. Alternatively, a high-pressure system might trap existing cold air masses near the surface, enhancing the temperature drop.
Mars has an axial tilt of approximately 25.2 degrees, similar to Earth’s 23.5 degrees. This tilt contributes to seasonal variations as different regions receive varying amounts of sunlight during its orbit. The drop in temperature may have resulted from a seasonal transition or from interactions between local weather patterns and geological features such as Olympus Mons.
Dust storms also play an important role in Martian climate. They can significantly impact temperatures through changes in albedo (reflectivity). Dust storms increase absorption of solar radiation, warming the surface, while simultaneously creating a high-altitude haze that reflects more sunlight back into space, potentially cooling the atmosphere overall. These dynamic processes make Mars’ climate system complex and challenging to model accurately.
Curiosity’s observations are vital for unraveling this mystery. Its instruments can measure wind speeds of up to about 20 m/s, pressure fluctuations with a sensitivity of ~0.1 pascals, humidity in parts per million, and ground temperatures with an accuracy of about 0.1 °C. Analyzing these data alongside global weather simulations such as the Mars Global Climate Model (MGCM) can provide a clearer picture of the atmospheric conditions behind the temperature drop.
Solar radiation strongly influences surface temperatures, but it also interacts with the thin Martian atmosphere, driving chemical reactions that may contribute to observed fluctuations. One such process is photodissociation, where ultraviolet (UV) radiation breaks down molecules such as CO₂, altering atmospheric composition and potentially contributing to cooling. Unlike Earth, Mars lacks a substantial ozone layer, allowing intense UV radiation to reach both the surface and atmosphere. This ultraviolet exposure drives distinctive photochemical processes that scientists are actively studying.
Visualisations of Mars planet and voice — by iGadgetPro
Credit for real RAW-images of Mars: NASA/JPL-Caltech/ASU | nasa.gov | NASA/JPL-Caltech/MSSS
Credit for Curiosity’s weather data: NASA/JPL-Caltech/CAB(CSIC-INTA)
All NASA’s RAW-images were colorized, processed and edited by iGadgetPro
Timecodes
0:00 – Intro to Mars Silent Plains and Locked Life Story
1:45 – Extreme Shifts: Beyond Earth’s Desert Limits
3:30 – Sept 3, 2025 Plunge: -17°C to -66°C in 2 Days
5:15 – Atmospheric Volatility: Challenging Red Planet Patterns
7:00 – Heat Loss: MAVEN Confirms Radiation to Space
8:45 – Neutral pH Zones: Carbonates Suitable for Life
10:30 – Frost Fractures: CO₂ Heave on Perchlorate Grains
12:15 – Ancient Warming: 4 Billion-Year-Old Forgiving Climates
14:00 – Rapid Cooling Echoes: Storms and Instant Freezes
#Mars #NASA #marsin4k #Curiosity #Perseverance #MarsWeather #MarsScience #SpaceExploration #MarsRover
(Source: YouTube Channel iGadgetPro)
soure youtube
Seluruh konten video yang ditayangkan dari platform pihak ketiga seperti YouTube di situs PortalTujuh.com sepenuhnya merupakan tanggung jawab pemilik akun dan/atau kanal YouTube terkait.
PortalTujuh.com tidak bertanggung jawab atas isi, narasi, opini, maupun klaim yang terdapat dalam video tersebut. Kami hanya menayangkan ulang (embed) video dari sumber publik sebagai pelengkap informasi, bukan sebagai representasi pandangan redaksi kami.
Jika Anda merasa ada konten video yang melanggar hak cipta, norma, atau hukum yang berlaku, silakan laporkan langsung ke pihak YouTube melalui mekanisme yang tersedia.
