Results 11 to 20 of about 166,316 (291)

Author's Reply to Comment by Greaves et al. on “Phosphine in the Venusian Atmosphere: A Strict Upper Limit From SOFIA GREAT Observations”

open access: yesGeophysical Research Letters, 2023
In an attempt to understand the findings presented in the Comment by Greaves et al. (2023, https://doi.org/10.1029/2023GL103539), we followed their data analysis methodology, omitting the hot and cold‐load calibrations that are an important part of the ...
M. A. Cordiner   +15 more
doaj   +1 more source

Ultra-high-resolution observations of persistent null-point reconnection in the solar corona

open access: yesNature Communications, 2023
Magnetic reconnection is a key mechanism involved in solar eruptions and is also a prime possibility to heat the low corona to millions of degrees.
X. Cheng   +23 more
doaj   +1 more source

MASER: A Tool Box for Solar System Low Frequency Radio Astronomy

open access: green, 2018
MASER (Measuring, Analysing, and Simulating Radio Emissions) is a toolbox for solar system radio astronomy. It provides tools for reading, displaying, finding, and modeling low frequency radio datasets.
Baptiste Cecconi   +19 more
openalex   +3 more sources

Influence of gravity waves on the climatology of high-altitude Martian carbon dioxide ice clouds [PDF]

open access: yesAnnales Geophysicae, 2018
Carbon dioxide (CO2) ice clouds have been routinely observed in the middle atmosphere of Mars. However, there are still uncertainties concerning physical mechanisms that control their altitude, geographical, and seasonal distributions.
E. Yiğit, A. S. Medvedev, P. Hartogh
doaj   +1 more source

History of Astronomy in Australia: Big-Impact Astronomy from World War II until the Lunar Landing (1945–1969)

open access: yesGalaxies, 2021
Radio astronomy commenced in earnest after World War II, with Australia keenly engaged through the Council for Scientific and Industrial Research. At this juncture, Australia’s Commonwealth Solar Observatory expanded its portfolio from primarily studying
Alister W. Graham   +4 more
doaj   +1 more source

From the Big Bang to Life beyond Earth: German Preservice Physics Teachers’ Conceptions of Astronomy and the Nature of Science

open access: yesEducation Sciences, 2023
This article reports the findings of a qualitative study that aimed to explore the ideas of 22 preservice physics teachers regarding astronomy concepts both within and beyond the solar system, as well as their understanding of the Nature of Science in ...
Fabian Hennig   +3 more
doaj   +1 more source

INVESTIGATION OF THE UNIVERSE BY THE LOW-FREQUENCY RADIO ASTRONOMY METHODS IN UKRAINE (According to the report on the XI All-Ukrainian Festival of Science of 18 May 2017, Kyiv) [PDF]

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: overview of the main results of half a century activities of Ukraine (with emphasis on the last decade) in the field of decameter radio astronomy, presenting a number of astrophysical discoveries in the study of the Solar system, Galaxy and ...
A. A. Konovalenko
doaj   +1 more source

Evaluation and Analysis of Dust Storm Activity in Tianwen-1 Landing Area Based on the Moderate Resolution Imaging Camera Observations and Mars Daily Global Maps

open access: yesRemote Sensing, 2021
The first Mars exploration mission from China (Tianwen-1) was launched on 23 July 2020 with the goal of “orbiting, landing, and roving”. The occurrence of dust storm activities is an important criterion of assessing atmospheric risk for the Tianwen-1 ...
Shaojie Qu   +7 more
doaj   +1 more source

The Preliminary Study of Dust Devil Tracks in Southern Utopia Planitia, Landing Area of Tianwen-1 Mission

open access: yesRemote Sensing, 2021
China’s first Mars exploration mission (Tianwen-1) landed on the southern part of Mars’ Utopia Planitia on 15 May 2021. The Zhurong rover will focus on high-resolution and in situ observations of key areas on the surface of Mars.
Yi Wang   +6 more
doaj   +1 more source

Unveiling the Structure and Dynamics of Red Giants With Asteroseismology

open access: yesFrontiers in Astronomy and Space Sciences, 2020
The Kepler mission observed many thousands of red giants. The long time series, some as long as the mission itself, have allowed us to study red giants with unprecedented detail. Given that red giants are intrinsically luminous, and hence can be observed
Sarbani Basu   +2 more
doaj   +1 more source

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