... rock thrown out of the crater during its formation that either falls back to partly fill the crater or blankets its outer ... associated with craters; Pamlimpsests are thought to be impact craters where the topographic relief of the crater has been ...
... star recently startled astronomers by producing a flare visible at x-ray energies ... The above Chandra X-ray Observatory images of the LP944-20 star field were recorded ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...
... a natural explanation for two observed trends in aged pulsar wind nebulae (PWNe): a steady increase of the PWN X-ray size with its age, up to ages of about 10^5 yr, and a rather narrow correlation between pulsar spin down power and PWN X-ray luminosity ...