Heidi Hammel Biography and Timeline

First Hubble Jupiter Images

Hubble obtains its first detailed observations of Jupiter, including views of the Great Red Spot.

Hubble Imaging of Shoemaker-Levy 9 Impacts

Leads Hubble observations documenting atmospheric scars from the Shoemaker-Levy 9 impacts on Jupiter.

Role range: 1960-

New Northern Dark Spot

Hubble detects a new large dark storm forming in Neptune's northern hemisphere.

Great Dark Spot Disappears

Hubble observations show that the large southern dark storm seen by Voyager 2 has disappeared.

Neptune Dark Spot Announced

Hammel's Hubble observations are announced as evidence that Neptune's large dark storms can appear and disappear rapidly.

Neptune Atmospheric Monitoring

Long-term Hubble observations continue tracking changes in Neptune's clouds and large-scale atmospheric features.

Neptune First Orbit Anniversary

Hubble images commemorate Neptune completing its first full orbit around the Sun since its discovery in 1846.

Webb Neptune Ring Imaging

Webb obtains the clearest view of Neptune's rings in more than three decades, including faint dusty bands.