X-ray Jet observations in coronal holes and evidence for MHD waves

X-ray morphology of the Perseus cluster

X-ray observations of the Cygnus Loop using a crystal spectrometer

X-ray optical properties of a Wolter Type I telescope for rocket application

X-ray scanning of overhead aurorae from rockets

X-ray spectrometer spectrograph telescope system

X-ray structure of the Puppis supernova remnant

X-ray studies of the Puppis-A supernova remnant

Xenopus laevis embryos can establish their spatial bilateral symmetrical body pattern without gravity

XMM-Newton Proposal 02017702

Zero potential vorticity envelopes for the zonal-mean velocity of the Venus/Titan atmospheres

Zero-Gravity Test Results For Ultrasonic Sensing of Air-Liquid Interface in a Vortex Separator

Zodiacal light data investigation. Interim results for the Earthlimb Clutter Experiment

Zonal asymmetries in southern hemisphere column ozone: Implications of biomass burning

Zonal effects in the midlatitude ionosphere and thermosphere

``Transition-Edge Sensors for Solar X-ray Spectral Observations - An Update''

``Ultrasonic stars'' for time reversal focusing using induced cavitation bubbles

“Hook” structure in MARSIS ionogram and its interpretation

“The Philosophy of Physical Science”

“The Reminiscences of a Yorkshire Naturalist”