How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

This data set (ATL03) contains height above the WGS 84 ellipsoid (ITRF2014 reference frame), latitude, longitude, and time for all photons downlinked by the Advanced Topographic Laser Altimeter System ...

This data set (ATL06) provides geolocated, land-ice surface heights (above the WGS 84 ellipsoid, ITRF2014 reference frame), plus ancillary parameters that can be used to interpret and assess the ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Principles of two dimensional MUSIC algorithm has been introduced in this thesis. Two methods for searching the spectrum peaks are indicated, i.e., method in solving the inflexions of spectrum ...