EXPLANATIONS

Date

Format: MMM DD

Examples: Jan 25, Feb 08, Mar 01, Jun 01, Jul 31

Year

Format: YYYY

Examples: 2002, 1999

Title

You may search for arbitrary terms.

Examples: astronauts, molecules, bubble, central black hole, spectrum, first light

Source

Abbreviation of the institution

Examples: ESO, ESA, NASA, STScI, JPL, RAS, CfA, AAO

Keyword

Specified keywords must match exactly. Multiple keywords are not possible.

Examples: exoplanets, star formation, xray, cosmology, grb, black holes, galaxies, moons