Tag Archives: University of Colorado

MAVEN completes orbit change for Mars 2020

MAVEN has achieved a tighter orbit around Mars to act as a telecommunications relay. The two-month campaign began February 11 and ended April 5. MAVEN’s navigation team slowed the spacecraft down gradually by aerobraking, a process taking advantage of the … Continue reading

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MAVEN: The magnetic tail of Mars

In this MAVEN outreach webinar from March 27, 2019, Dr. Gina DiBraccio from NASA’s Goddard Space Flight Center describes what makes the Martian magnetic environment so different from other planets, and how processes in its magnetotail may contribute to atmospheric … Continue reading

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MAVEN: High solar wind pressure hastens loss of atmosphere

New MAVEN research shows that high solar wind pressure influences Mars’ magnetic fields in ways that can increase the global loss of atmosphere to space. Planetary atmospheres are constantly bombarded by energy and radiation from the Sun, and over time … Continue reading

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MAVEN: Aerobraking to lower the orbit

The MAVEN spacecraft today [March 7] performed an aerobraking maneuver (with a 0.2 m/s ∆V) to decrease the periapsis, or lowest, altitude by 1.2 km. MAVEN’s periapsis altitude is now 125.5 km above the surface of Mars and the apoapsis, … Continue reading

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MAVEN: Shrinking its orbit to prepare for Mars 2020 rover

The 4-year-old atmosphere-sniffing MAVEN mission is embarking on a new campaign today to tighten its orbit around Mars. The operation will reduce the highest point of the MAVEN spacecraft’s elliptical orbit from 3,850 to 2,800 miles (6,200 to 4,500 kilometers) … Continue reading

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Magnetic Mars engages lay audiences in science

For a cold little planet, Mars remains a hot topic: The general public wants to know more about this alien world and hear from the scientists who study it. Recent findings that highlight tantalizing clues to Mars’s wetter past have … Continue reading

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MAVEN: Four (Earth) years in Mars orbit

[Ed. note: The video shows a presentation on September 20, 2018, by MAVEN principal investigator Bruce Jakosky providing an update on the latest data from the mission. The story excerpted below is on the MAVEN mission website.] Today [September 21], … Continue reading

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MAVEN: Seeing Mars as an exoplanet

Results from MAVEN have provided a detailed understanding of the evolution of the Martian atmosphere and the history of its climate. In a Planetary Report article, published by The Planetary Society, MAVEN Principal Investigator Bruce Jakosky and Deputy PI Dave … Continue reading

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MAVEN: Challenges of resurrecting the martian atmosphere

Many people have suggested that future Mars colonists may want to thicken the Martian atmosphere and make it breathable for long-term habitation of the Red Planet. In this MAVEN outreach webinar from August 15, 2018, MAVEN Co-Investigator Dr. Robert Lillis … Continue reading

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MAVEN: Loss of atmosphere drove climate change on Mars

MAVEN research shows that atmospheric loss to space has been the major process driving climate change on Mars. Research using MAVEN data indicates that Mars’ atmospheric loss over time has been at least 0.8 bar CO₂ or the equivalent of … Continue reading

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